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Chapter III: Part 3

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+------+-----------------------------------------------------+----------+ |Generation. | | | | Grade of parents; below, | | | | grade and number of their | Total | | | offspring. | number | | +-----+-----+-----+-----+-----+-----+-----+-----+-----+ of | | | 3⅛ | 3¼ | 3⅜ | 3½ | 3⅝ | 3¾ | 3⅞ | 4 | 4⅛ |offspring.| +------+-----+-----+-----+-----+-----+-----+-----+-----+-----+----------+ | 2 |2.50 | | | | | | | | | | | | =5= | | | | | | | | | =471= | | 3 |3.07 |3.17 |2.91 | | | | | | | | | | =10=| =6=| =8=| | | | | | | =341= | | 4 |2.69 |2.89 |2.70 |3.02 | |2.75 | | | | | | |=122=| =64=| =23=| =20=| | =6=| | | | =444= | | 5 |2.81 |2.81 |2.94 |2.87 |3.08 |3.07 |3.35 |3.36 |3.00 | | | |=114=|=138=|=145=| =69=| =64=| =14=| =8=| =7=| =3= | =610= | | 6 |2.84 |3.10 |2.96 |3.10 |3.16 |3.22 |3.26 |3.41 | | | | | =28=|=143=|=123=|=212=|=181=| =78=| =80=| =14=| | =861= | | 7 |2.87 |3.09 |2.97 |3.18 |3.23 |3.35 |3.49 |3.53 | | | | | =28=|=131=|=160=|=177=|=289=|=184=| =90=| =15=| | =1,077= | | 8 | | | |3.46 |3.50 |3.49 |3.53 |3.31 |3.72 | | | | | | | =59=|=484=|=469=|=238=| =64=| =60=| =1,408= | | 9 | | | |3.25 |3.43 |3.50 |3.65 |3.57 |3.57 | | | | | | | =4=|=244=|=591=|=424=| =45=| =7=| =1,322= | | 10 | | | | | |3.69 |3.72 |3.76 |3.87 | | | | | | | | |=257=|=347=|=120=| =44=| =776= | | 11 | | | | | |3.75 |3.70 |3.87 |3.81 | | | | | | | | | =11=|=333=|=214=|=110=| =697= | | 12 | | | | | |3.82 |3.96 |3.93 |3.91 | | | | | | | | | =35=| =48=|=145=|=227=| =590= | | 13 | | | | | | | |3.67 |3.97 | | | | | | | | | | | =65=| =31=| =194= | +------+-----+-----+-----+-----+-----+-----+-----+-----+-----+----------+

+------+-----------------------------+----------+ |Generation. | | | | Grade of parents; below, | | | | grade and number of their | Total | | | offspring. | number | | +-----+-----+-----+-----+-----+ of | | | 4¼ | 4⅜ | 4½ | 4⅝ | 4¾ |offspring.| +------+-----+-----+-----+-----+-----+----------+ | 7 |3.75 | | | | | | | | =3=| | | | | =1,077= | | 8 |3.69 |3.96 | | | | | | | =22=| =8=| | | | =1,408= | | 9 |3.75 |3.50 | | | | | | | =4=| =3=| | | | =1,322= | | 10 |3.84 | | | | | | | | =8=| | | | | =776= | | 11 |3.91 |3.94 | | | | | | | =25=| =4=| | | | =697= | | 12 |3.94 |4.12 |4.14 |3.90 |4.75 | | | | =71=| =45=| =7=| =11=| =1=| =590= | | 13 |3.93 |3.85 |3.98 | |3.95 | | | | =43=| =10=| =40=| | =5=| =194= | | | | | | | +----------+ | | | | | | | =8,941= | +------+-----+-----+-----+-----+-----+----------+

TABLE 16.—_Classification of the offspring in generation 1 of the minus selection series._

+--------+-----------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.|+¼| 0| ¼| ½| ¾| 1|1¼|1½|1¾| 2| | | | +--------+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | -1¼ | 1| | | | | 2| | 3| 2| | 8 | 1.34 | -.09 | | 1⅜ | 1| 1| 3| |12| 8| 3| 1| 1| 1| 31 | .86 | .51 | | 1½ | | | | | 1| 1| 1| 1| 1| 1| 6 | 1.37 | .13 | | 1⅞ | | | 1| 1| 2| 2| | 3| 1| | 10 | 1.05 | .82 | | +--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | 1.46| 2| 1| 4| 1|15|13| 4| 8| 5| 2| 55 | 1.00 | .46 | +--------+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 17.—_Classification of generation 2, minus selection series._

+--------+-----------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.|+½| 0|-¼| ½| ¾| 1|1¼|1½|1¾| 2| | | | +--------+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | ¾ | 1| | 2| 2| 1| 6| 2| 3| 2| | 19 | 1.04 | -.29 | | 1⅛ | | | 2| 2| | 2| 2| 3| | 1| 12 | 1.05 | .07 | | 1¼ | | | | | 4| 6| 3| | 3| 1| 17 | 1.18 | .07 | | 1⅜ | | 1| | | | | | 1| 1| 2| 5 | 1.45 | -.08 | | 1½ | | | 1| |10|13| 1| 8| 4| | 37 | 1.11 | .39 | | 1⅝ | | 1| | | 1| | 1| | | | 3 | .67 | .95 | | 1¾ | | | 1| 1| 2|14| 4| 3| 1| 1| 27 | 1.09 | .66 | | 1⅞ | 1| 1| | 1| 2| 3| | 1| 3| | 12 | 1.10 | .77 | | +--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | 1.41| 2| 3| 6| 6|20|44|13|19|14| 5| 132 | 1.07 | .34 | +--------+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 18.—_Classification of generation 3, minus series._

+--------+--------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.| 0|-¼| ½| ¾| 1|1¼|1½|1¾| 2| | | | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | -1⅛ | | | 2| 1| 1| | 1| | | 5 | .85 | .27 | | 1¼ | | 1| 3| 6| 5| 1| 2| 1| 1| 20 | 1.05 | .20 | | 1⅜ | | 1| 3| 4|11| 3| 4| 2| | 28 | 1.03 | .34 | | 1½ | | | 1| 1|12| 1| 5| 5| 3| 28 | 1.31 | .19 | | 1⅝ | 1| 1| 1|10|10| 5| 8| 8| 4| 48 | 1.22 | .40 | | 1¾ | | 1| 2| 8|19| 9| 9| 7| 8| 63 | 1.26 | .49 | | 1⅞ | | | | | 3| | | | | 3 | 1.00 | .87 | | +--+--+--+--+--+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | or | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | 1.56| 1| 4|12|30|61|19|29|23|16| 195 | 1.18 | .38 | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 19.—_Classification of generation 4, minus selection series._

+--------+-----------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.|+½|+¼| 0|-¼| ½| ¾| 1|1¼|1½|1¾| 2|2¼| | | | +--------+--+--+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | -1¼ | | | | | | | 1| | 1| 1| 1| | 4 | 1.56 | -.31 | | 1⅜ | | | | 2| 3| 4| 8| 3| 1| 2| 6| | 29 | 1.16 | .21 | | 1½ | | 1| 1| 3| 2| 7| 7| 6| 8|16| 8| | 59 | 1.31 | .19 | | 1⅝ | | | | 1| | 4|10| 4| 8| 7| 6| | 40 | 1.36 | .26 | | 1¾ | | | | 4| 4| 6|19|11|16|22|11| | 93 | 1.34 | .41 | | 1⅞ | 2| 1| 2| 6| 1|10|19|12|17|19| 5| 1| 95 | 1.18 | .69 | | 2 | | | | | | 1| 2| 3| | 1| 2| | 9 | 1.36 | .64 | +--------+--+--+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | | 1.69| 2| 2| 3|16|10|32|66|39|51|68|39| 1| 329 | 1.28 | .41 | +--------+--+--+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 20.—_Classification of generation 5, minus series._

+--------+------------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+---+--+---+---+---+--+--+Totals.|Means.|Regression.| |parents.| 0|-¼| ½| ¾| 1 |1¼| 1½| 1¾| 2 |2¼|2½| | | | +--------+--+--+--+--+---+--+---+---+---+--+--+-------+------+-----------+ | ⅞ | 2| 1| | 4| 5| | 3| 4| 1| | | 20 | 1.09 | -.22 | | 1 | | 2| | | 1| | | | 1| | | 4 | .99 | .01 | | 1⅜ | | 4| 1| 1| 6| 2| 10| 14| 11| 2| | 51 | 1.50 | -.13 | | 1½ | 1| | 3| 9| 9|11| 7| 7| 5| | 1| 53 | 1.25 | .25 | | 1⅝ | | 1| 1| 5| 12| 4| 15| 12| 4| | | 54 | 1.35 | .27 | | 1¾ | | 9|14|29| 50|30| 50| 55| 24| 1| | 262 | 1.30 | .45 | | 1⅞ | | | | 4| 11|12| 29| 50| 31| 6| | 143 | 1.64 | .23 | | 2 | | 1| 2|11| 14| 5| 19| 28| 25| 4| | 109 | 1.52 | .48 | | 2⅛ | | | | | | | 1| 2| 2| | | 5 | 1.80 | .32 | +--------+--+--+--+--+---+--+---+---+---+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | 1.73| 3|18|21|63|108|64|134|172|104|13| 1| 701 | 1.41 | .32 | +--------+--+--+--+--+---+--+---+---+---+--+--+-------+------+-----------+

TABLE 21.—_Classification of generation 6, minus series._

+--------+------------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+---+--+---+---+---+--+--+Totals.|Means.|Regression.| |parents.| 0|-¼| ½| ¾| 1 |1¼| 1½| 1¾| 2 |2¼|2½| | | | +--------+--+--+--+--+---+--+---+---+---+--+--+-------+------+-----------+ | -1⅛ | | 1| 1| | 2| | 1| | | | | 5 | .85 | .27 | | 1⅜ | | | | | 1| 1| 1| | 1| | | 4 | 1.44 | -.07 | | 1½ | | | 1| 3| 4| 4| 4| 6| 2| | | 24 | 1.34 | .16 | | 1⅝ | 1| | 1|11| 16| 3| 17| 28| 17| | | 94 | 1.45 | .17 | | 1¾ | 1| 1| 8|14| 39|20| 39| 77| 43| | 2| 244 | 1.49 | .26 | | 1⅞ | | 1| 9|24| 61|40| 71|156|127|12| 1| 502 | 1.59 | .28 | | 2 | 1| 3| 5|12| 32|22| 37| 89| 76| 5| 1| 283 | 1.58 | .42 | | 2⅛ | | | | 2| 4| 4| 5| 35| 31| 4| | 85 | 1.52 | .60 | | 2½ | | | | | | | 2| 5| 3| 1| | 11 | 1.82 | .68 | +--------+--+--+--+--+---+--+---+---+---+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | 1.86| 3| 6|25|66|159|94|177|396|300|22| 4| 1252 | 1.56 | .30 | +--------+--+--+--+--+---+--+---+---+---+--+--+-------+------+-----------+

TABLE 22.—_Classification of generation 7, minus series._

+--------+---------------------------------------+-----------------------+ | Grade | Grade of offspring. |Totals. | | of +--+--+--+--+---+--+---+---+---+--+--+--+ Means. | |parents.| 0| ¼| ½| ¾| 1 |1¼| 1½| 1¾| 2 |2¼|2½|2¾| Regression.| +--------+--+--+--+--+---+--+---+---+---+--+--+--+------+------+---------+ | 1⅝ | | | | 1| | | 1| 2| 1| | | | 5 | 1.55 | .07 | | 1¾ | | | 1| 2| 1| 1| 6| 11| 9| | | 1| 32 | 1.67 | .08 | | 1⅞ | 2| 1| 6| 4| 35|20| 47| 99|106| 6| 3| 1| 330 | 1.65 | .22 | | 2 | | | 8|14| 51|60|119|368|324|22| 3| | 969 | 1.72 | .28 | | 2⅛ | | 1| 2| 3| 14|10| 30| 92|104| 4| | | 260 | 1.74 | .38 | | 2¼ | | | | | | | 5| 10| 19| 6| 1| | 41 | 1.93 | .32 | | 2⅜ | | | | | | | 2| 2| | | | | 4 | 1.63 | .74 | | 2½ | | | | | | 1| | 4| 10| | | | 15 | 1.88 | .62 | | 2⅝ | | | | | | | 1| 3| 8| 5| 1| | 18 | 2.28 | .09 | | 2¾ | | | | | | | | 3| 3| | | | 6 | 1.87 | .88 | +--------+--+--+--+--+---+--+---+---+---+--+--+--+------+------+---------+ |Totals | | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | | 2.01| 2| 2|17|24|101|92|211|594|584|43| 8| 2| 1680 | 1.73 | .28 | +--------+--+--+--+--+---+--+---+---+---+--+--+--+------+------+---------+

TABLE 23.—_Classification of generation 8, minus series._

+--------+-----------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+---+---+---+--+--+--+Totals.|Means.|Regression.| |parents.| 0| ½| ¾| 1|1¼| 1½| 1¾| 2 |2¼|2½|2¾| | | | +--------+--+--+--+--+--+---+---+---+--+--+--+-------+------+-----------+ | 1⅞ | | | | 1| | | 9| 8| 1| | | 19 | 1.84 | .03 | | 2 | | 6| 8|38|22|122|550|423|21| 9| 3| 1202 | 1.81 | .19 | | 2⅛ | 1| | 3|12| 7| 31|118|187|32| 2| 3| 396 | 1.86 | .26 | | 2¼ | | | | 1| | 2| 19| 20| 3| | | 45 | 1.87 | .38 | | 2⅜ | | | | | 1| 1| 11| 17| | | | 30 | 1.87 | .50 | | 2½ | | | | | | 3| 6| 15| 4| | | 28 | 1.93 | .57 | | 2⅝ | | | | | | 3| 2| 1| | | | 6 | 1.67 | .95 | +--------+--+--+--+--+--+---+---+---+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | 2.05| 1| 6|11|52|30|162|715|671|61|11| 6| 1726 | 1.80 | .25 | +--------+--+--+--+--+--+---+---+---+--+--+--+-------+------+-----------+

TABLE 24.—_Classification of generation 9, minus series._

+--------+--------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+---+---+---+--+--+Totals.|Means.|Regression.| |parents.| ½| ¾| 1|1¼|1½| 1¾| 2 | 2¼|2½|2¾| | | | +--------+--+--+--+--+--+---+---+---+--+--+-------+------+-----------+ | 2 | | 1|13| 4|36|268|420| 55|10| 4| 811 | 1.90 | .10 | | 2⅛ | | | 1| 1|25|110|218| 40| 7| 1| 403 | 1.93 | .19 | | 2¼ | 1| | | 1| 7| 43| 77| 12| 6| 1| 148 | 1.93 | .32 | | 2⅜ | | | 1| 1| 7| 61| 89| 12| 4| | 175 | 1.91 | .46 | | 2½ | | | 1| | 2| 6| 23| 14| 5| 2| 53 | 2.07 | .43 | | 2⅝ | | | | | | | 1| | | | 1 | 2.00 | .62 | +--------+--+--+--+--+--+---+---+---+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | 2.11| 1| 1|16| 7|77|488|828|133|32| 8| 1591 | 1.92 | .19 | +--------+--+--+--+--+--+---+---+---+--+--+-------+------+-----------+

TABLE 25.—_Classification of generation 10, minus series._

+--------+--------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+---+---+---+--+--+--+--+Totals.|Means.|Regression.| |parents.|-1|1¼|1½| 1¾| 2 | 2¼|2½|2¾| 3|3¼| | | | +--------+--+--+--+---+---+---+--+--+--+--+-------+------+-----------+ | 2 | 1| 2|13|120|287| 43| 7| 2| 2| 1| 478 | 1.96 | .04 | | 2⅛ | 2| 1|15|100|251| 78|22| 4| | 1| 474 | 2.00 | .12 | | 2¼ | | | 5| 45| 92| 58|13| 4| | | 217 | 2.05 | .20 | | 2⅜ | | 1| 4| 16| 60| 29| 6| 3| | | 119 | 2.05 | .32 | | 2½ | | | | 9| 27| 19|10| 2| | | 67 | 2.13 | .37 | | 2⅝ | | | 1| 5| 17| 17| 8| | 1| | 49 | 2.15 | .47 | | 2¾ | | 1| 1| 8| 10| 6| 1| | | | 27 | 1.95 | .80 | | 2⅞ | | 1| 1| 2| 3| 6| 5| 2| | | 20 | 2.19 | .68 | +--------+--+--+--+---+---+---+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | 2.18| 3| 6|40|305|747|256|72|17| 3| 2| 1451 | 2.01 | .17 | +--------+--+--+--+---+---+---+--+--+--+--+-------+------+-----------+

TABLE 26.—_Classification of generation 11, minus series._

+--------+------------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+---+---+---+---+--+--+--+--+Totals.|Means.|Regression.| |parents.|-1|1¼|1½| 1¾| 2 | 2¼| 2½|2¾| 3|3¼|3½| | | | +--------+--+--+--+---+---+---+---+--+--+--+--+-------+------+-----------+ | 2 | | | | 7| 26| 14| 3| | 1| | | 51 | 2.08 | .08 | | 2⅛ | | | 4| 20| 75| 45| 26|12| | 1| | 183 | 2.15 | -.03 | | 2¼ | 1| |12| 49|111| 76| 50|13| 6| | | 318 | 2.13 | .12 | | 2⅜ | 2| 1| 4| 24|112| 66| 33|20| 4| 2| | 268 | 2.16 | .21 | | 2½ | | | 1| 4| 32| 21| 16| 7| | | | 81 | 2.21 | .29 | | 2⅝ | | 1| | 3| 18| 15| 11| 4| | | | 52 | 2.20 | .42 | | 2¾ | | | 1| 4| 9| 4| 3| 1| 1| 2| 1| 26 | 2.26 | .49 | | 2⅞ | | | | 2| 2| 1| | | | | | 5 | 1.95 | .92 | +--------+--+--+--+---+---+---+---+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | 2.30| 3| 2|22|113|385|242|142|57|12| 5| 1| 984 | 2.15 | .15 | +--------+--+--+--+---+---+---+---+--+--+--+--+-------+------+-----------+

TABLE 27.—_Classification of generation 12, minus series._

+--------+--------------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+---+---+---+--+--+--+--+Totals.|Means.|Regression.| |parents.| 1|1½|1¾| 2 | 2¼| 2½|2¾| 3|3¼|3½| | | | +--------+--+--+--+---+---+---+--+--+--+--+-------+------+-----------+ | 2 | | | 2| 7| 1| | | | | | 10 | 1.98 | .02 | | 2⅛ | | 1| 6| 65| 26| 15| 4| | | 1| 118 | 2.14 | -.02 | | 2¼ | 1| 2|16| 67| 45| 29| 6| | | | 155 | 2.15 | .10 | | 2⅜ | | 1|21|116| 64| 24| 3| 1| | | 230 | 2.11 | .26 | | 2½ | | 1|12| 81| 75| 53|17| 3| | | 242 | 2.24 | .26 | | 2⅝ | | | 5| 38| 36| 37|12| 8| 1| | 137 | 2.32 | .30 | | 2¾ | | | | 8| 7| 14|10| 3| | | 42 | 2.45 | .30 | | 2⅞ | | | 1| 7| 9| 14|15| 7| | | 53 | 2.51 | .36 | | 3 | | | | 5| 5| 5|10| 5| 2| 1| 35 | 2.65 | .35 | +--------+--+--+--+---+---+---+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | 2.44| 1| 5|63|394|268|191|83|27| 3| 2| 1037 | 2.23 | .21 | +--------+--+--+--+---+---+---+--+--+--+--+-------+------+-----------+

TABLE 28.—_Classification of generation 13, minus series._

+--------+---------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+---+---+---+---+--+--+--+Totals.|Means.|Regression.| |parents.|1¾| 2 | 2¼| 2½|2¾ | 3|3¼|3½| | | | +--------+--+---+---+---+---+--+--+--+-------+------+-----------+ | 2¼ | 3| 30| 12| 17| 4| 1| | | 67 | 2.22 | .03 | | 2⅜ | 4| 40| 50| 46| 24| 5| 1| | 170 | 2.35 | .02 | | 2½ | 4| 32| 34| 47| 26| 8| 2| 1| 154 | 2.40 | .10 | | 2⅝ | 2| 11| 21| 41| 28| 3| 2| | 108 | 2.47 | .15 | | 2¾ | 1| 5| 2| 9| 7| 6| 1| | 31 | 2.56 | .19 | | 2⅞ | | 4| 7| 8| 6| 1| | | 26 | 2.43 | .44 | | 3 | | 3| 1| 5| 5| 1| | | 15 | 2.50 | .50 | +--------+--+---+---+---+---+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | or | | | | | | | | | | | | |means, | | | | | | | | | | | | | 2.50|14|125|127|173|100|25| 6| 1| 571 | 2.39 | .11 | +--------+--+---+---+---+---+--+--+--+-------+------+-----------+

TABLE 29.—_Summary of the results of thirteen generations of minus selection, based on Tables 16-28._

+-------------------------------------------------------------------+ |Generation. | |No. of offspring. | | |Mean, parents. | | | |Mean, offspring. | | | | |Standard deviation, | | | | |parents. | | | | | |Standard deviation, | | | | | |offspring. | | | | | | |Correlation, | | | | | | |parents-offspring. | | | | | | | |Absolute regression of | | | | | | | |offspring on parents. | | | | | | | | |Advance of | | | | | | | | |parents. | | | | | | | | | |Advance of | | | | | | | | | |offspring. +------+------+------+------+------+------+------+-----+-----+------+ | 1 | 5 | 1.46 | 1.00 | .208 | .515 | | .46 | | | | 2 | 13 | 1.41 | 1.07 | .342 | .493 |-.033 | .34 |-.05 | .07 | | 3 | 19 | 1.56 | 1.18 | .196 | .484 | .206 | .38 | .15 | .11 | | 4 | 32 | 1.69 | 1.28 | .190 | .460 | .020 | .41 | .13 | .10 | | 5 | 70 | 1.73 | 1.41 | .233 | .500 | .184 | .32 | .04 | .13 | | 6 | 1,25 | 1.86 | 1.56 | .185 | .488 | .164 | .30 | .13 | .15 | | 7 | 1,68 | 2.01 | 1.73 | .132 | .352 | .143 | .28 | .15 | .17 | | 8 | 1,72 | 2.05 | 1.80 | .107 | .283 | .094 | .25 | .04 | .07 | | 9 | 1,59 | 2.11 | 1.92 | .184 | .285 | .059 | .19 | .06 | .12 | | 10 | 1,45 | 2.18 | 2.01 | .255 | .242 | .158 | .17 | .07 | .09 | | 11 | 98 | 2.30 | 2.15 | .229 | .349 | .081 | .15 | .12 | .14 | | 12 | 1,03 | 2.44 | 2.23 | .310 | .372 | .406 | .07 | .14 | .08 | | 13 | 57 | 2.50 | 2.39 | .177 | .317 | .235 | .11 | .06 | .16 | | +------+------+------+------+------+------+-----+-----+------+ |Total.|11,704| | | | | | | | | +------+------+------+------+------+------+------+-----+-----+------+

TABLE 30.—_Mean grade and number of offspring produced by parents of a particular grade in each generation of the minus selection series, based on Tables 16-28. The grade of the parents is indicated at the head of each column. In the body of the table is recorded the mean grade of the offspring (in light-faced figures) and the number of offspring (in =heavy-faced figures=)._

+------+------------------------------------------------+----------+ |Generation. | | | | Grade of parents; below, | | | | grade and number of their | Total | | | offspring. | number | | +-----+-----+-----+-----+-----+-----+------+-----+ of | | | 1¼ | 1⅜ | 1½ | 1⅝ | 1¾ | 1⅞ | 2 | 2⅛ |offspring.| +------+-----+-----+-----+-----+-----+-----+------+-----+----------+ | 1 |1.34 | .85 |1.37 | | |1.05 | | | | | | =8=| =31=| =6=| | | =10=| | | =55= | | 2 |1.17 |1.45 |1.11 |0.67 |1.09 |1.10 | | | | | | =17=| =5=| =37=| =3=| =27=| =12=| | | =132= | | 3 |1.05 |1.04 |1.31 |1.22 |1.26 |1.96 | | | | | | =20=| =28=| =28=| =48=| =63=| =3=| | | =195= | | 4 |1.56 |1.16 |1.31 |1.36 |1.34 |1.18 | 1.36 | | | | | =4=| =29=| =59=| =40=| =93=| =95=| =9=| | =329= | | 5 | |1.50 |1.25 |1.35 |1.30 |1.64 | 1.52 |1.80 | | | | | =51=| =53=| =54=|=262=|=143=| =109=| =5=| =701= | | 6 | | |1.34 |1.46 |1.49 |1.59 | 1.58 |1.52 | | | | | | =24=| =94=|=244=|=502=| =283=| =85=| =1,252= | | 7 | | | |1.55 |1.67 |1.65 | 1.72 |1.74 | | | | | | | =5=| =32=|=330=| =969=|=260=| =1,680= | | 8 | | | | | |1.84 | 1.81 |1.86 | | | | | | | | | =19=|=1170=|=377=| =1,726= | | 9 | | | | | | | 1.90 |1.93 | | | | | | | | | | =811=|=403=| =1,591= | | 10 | | | | | | | 1.96 |2.00 | | | | | | | | | | =478=|=474=| =1,451= | | 11 | | | | | | | 2.08 |2.15 | | | | | | | | | | =51=|=183=| =984= | | 12 | | | | | | | 1.98 |2.14 | | | | | | | | | | =10=|=118=| =1,037= | | 13 | | | | | | | | | | | | | | | | | | | | =571= | | | | | | | | | | +----------+ | | | | | | | | | | =11,704= | +------+-----+-----+-----+-----+-----+-----+------+-----+----------+

+------+-----------------------------------------+----------+ |Generation. | | | | Grade of parents; below, | | | | grade and number of their | Total | | | offspring. | number | | +-----+-----+-----+-----+-----+-----+-----+ of | | | 2¼ | 2⅜ | 2½ | 2⅝ | 2¾ | 2⅞ | 3 |offspring.| +------+-----+-----+-----+-----+-----+-----+-----+----------+ | 1 | | | | | | | | | | | | | | | | | | =55= | | 2 | | | | | | | | | | | | | | | | | | =132= | | 3 | | | | | | | | | | | | | | | | | | =195= | | 4 | | | | | | | | | | | | | | | | | | =329= | | 5 | | | | | | | | | | | | | | | | | | =701= | | 6 | | |1.82 | | | | | | | | | | =11=| | | | | =1,252= | | 7 |1.93 |1.62 |1.88 |2.28 |1.87 | | | | | | =41=| =4=| =15=| =18=| =6=| | | =1,680= | | 8 |1.87 |1.87 |1.92 |1.67 | | | | | | | =36=| =30=| =17=| =6=| | | | =1,726= | | 9 |1.93 |1.91 |2.07 | | | | | | | |=148=|=175=| =53=| | | | | =1,591= | | 10 |2.04 |2.05 |2.13 |2.15 |1.95 |2.18 | | | | |=217=|=119=| =67=| =49=| =27=| =20=| | =1,451= | | 11 |2.13 |2.16 |2.21 |2.20 |2.26 |1.95 | | | | |=318=|=268=| =81=| =52=| =26=| =5=| | =984= | | 12 |2.15 |2.11 |2.24 |2.32 |2.45 |2.51 |2.65 | | | |=166=|=230=|=242=|=137=| =42=| =53=| =35=| =1,037= | | 13 |2.22 |2.35 |2.40 |2.47 |2.55 |2.43 |2.50 | | | | =67=|=170=|=154=|=108=| =31=| =26=| =15=| =571= | | | | | | | | | +----------+ | | | | | | | | | =11,704= | +------+-----+-----+-----+-----+-----+-----+-----+----------+

TABLE 31.—_Results of a first return selection from generation 6, minus series._

+--------+-----------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+---+---+---+--+Totals.|Means.|Regression.| |parents.| 0| ¼| ½| ¾|-1|-1¼|-1½|-1¾|-2| | | | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+ | ⅜ | | 2| 1| | 3| 4| 8| 8| | 26 | 1.08 | -.60 | | ⅝ | 2| 2| 3| 4|10| 14| 17| 20| 4| 76 | 1.33 | -.71 | | ¾ | | | | 1| 1| | 2| 1| | 5 | 1.30 | -.65 | | ⅞ | | | 2| | 2| | 1| 4| 2| 11 | 1.41 | -.63 | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | or | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | .60| 2| 4| 6| 5|16| 18| 28| 33| 6| 118 | 1.28 | -.68 | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+

TABLE 32.—_Results of a second return selection from generation 6, minus series._

+--------+-------------------+-------+------+-----------+ | Grade |Grade of offspring.| | | | | of +--+--+--+--+---+---+Totals.|Means.|Regression.| |parents.| 0| ½| ¾|-1|-1¼|-1½| | | | +--------+--+--+--+--+---+---+-------+------+-----------+ | ½ | 1| 3| 4| 5| 2 | 4 | 19 | .95 | -.45 | +--------+--+--+--+--+---+---+-------+------+-----------+

TABLE 33.—_Results of a third return selection from generation 6, minus series._

+--------+-----------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+---+---+---+--+Totals.|Means.|Regression.| |parents.| 0| ¼| ½| ¾|-1|-1¼|-1½|-1¾|-2| | | | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+ | ¼ | | 5| 2| 2| 3| | 1| | | 13 | .63 | -.38 | | ⅜ | 2| 2| 3| 5| 4| | 2| 3| | 21 | .86 | -.49 | | -1⅛ | | | | | 1| 2| 3| 4| 3| 13 | 1.61 | -.49 | | -1¼ | | | 1| 2| 4| 9| 8| 5| 2| 31 | 1.35 | -.10 | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | or | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | .83| 2| 7| 6| 9|12| 11| 14| 12| 5| 78 | 1.14 | -.31 | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+

TABLE 34.—_Results of a fourth return selection from generation 6, minus series._

+--------+-----------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+---+---+---+--+Totals.|Means.|Regression.| |parents.| 0| ¼| ½| ¾|-1|-1¼|-1½|-1¾|-2| | | | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+ | ¼ | 1| | 2| 1| 1| 4| 2| 3| 2| 16 | 1.34 | -1.09 | | ½ | | 1| 1| 1| 2| | | | | 5 | .70 | -.20 | | ⅝ | | | 1| 1| | 1| | | | 3 | .83 | -.21 | | ¾ | 1| 1| | 1| | 2| 1| | | 6 | .83 | -.08 | | ⅞ | 1| | 2| | 2| 2| 2| | 1| 10 | 1.17 | -.30 | | -1 | | | | | 2| 1| 3| 3| 1| 10 | 1.42 | -.42 | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | or | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | .63| 3| 2| 6| 4| 7| 10| 8| 6| 4| 50 | 1.17 | -.54 | +--------+--+--+--+--+--+---+---+---+--+-------+------+-----------+

TABLE 35.—_Results of a fifth return selection from generation 6, minus series._

+--------+-------------------+-------+------+-----------+ | Grade |Grade of offspring.| | | | | of +--+--+--+--+---+---+Totals.|Means.|Regression.| |parents.| 0| ¼| ½| ¾|-1¼|-1½| | | | +--------+--+--+--+--+---+---+-------+------+-----------+ | ¼ | | | | 2| 2| | 4 | 1.00 | -.75 | | ¾ | 1| | | | | 3| 4 | 1.12 | -.37 | | ⅞ | 2| 2| 1| | | | 5 | .25 | +.62 | +--------+--+--+--+--+---+---+-------+------+-----------+ |Totals | | | | | | | | | | | or | | | | | | | | | | |means, | | | | | | | | | | | .65| 3| 2| 1| 2| 2| 3| 13 | .75 | -.10 | +--------+--+--+--+--+---+---+-------+------+-----------+

TABLE 36.—_Results of a sixth return selection from generation 6, minus series._

+--------+------------------------------------------+--------------------+ | Grade | Grade of offspring. |Totals. | | of +---+--+--+--+--+--+--+--+--+--+---+---+---+ Means. | |parents.|+1¼|+1|+¾|+½|+¼| 0| ¼| ½| ¾|-1|-1¼|-1½|-1¾| Regression.| +--------+---+--+--+--+--+--+--+--+--+--+---+---+---+-----+------+-------+ | ⅛ | 1| | 1| | | 3| 2| 1| | 2| 2 | | | 12 | .29 | -.17 | | ¼ | | | | 2| 1| 1| 4| | 1| 4| | | | 13 | .35 | -.10 | | ⅜ | | | | | | | 1| | 2| 1| | 1| 1| 6 | .87 | -.50 | | ½ | | 1| | | | | | 1| 2| 1| | | | 5 | .25 | +.25 | +--------+---+--+--+--+--+--+--+--+--+--+---+---+---+-----+------+-------+ |Totals | | | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | | | .26| 1| 1| 1| 2| 1| 4| 7| 2| 5| 8| 2| 1| 1| 36 | .39 | -.13 | +--------+---+--+--+--+--+--+--+--+--+--+---+---+---+-----+------+-------+

TABLE 37.—_Results of a return selection from generation 7, minus series._

+--------+-----------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+---+---+---+--+Totals.|Means.|Regression.| |parents.| ½| ¾|-1|-1¼|-1½|-1¾|-2| | | | +--------+--+--+--+---+---+---+--+-------+------+-----------+ | ¾ | | 1| 3| 3| 7| 8| 3| 25 | | | | ⅞ | 2| 2| 2| | | 2| | 8 | | | +--------+--+--+--+---+---+---+--+-------+------+-----------+ |Totals | | | | | | | | | | | | or | | | | | | | | | | | |means, | | | | | | | | | | | | .78| 2| 3| 5| 3 | 7| 10| 3| 33 | 1.15 | -.37 | +--------+--+--+--+---+---+---+--+-------+------+-----------+

TABLE 38.—_Results of a return selection from generation 8, minus series._

+--------+--------------------+-------+------+-----------+ | Grade | Grade of offspring.| | | | | of +--+--+---+---+---+--+Totals.|Means.|Regression.| |parents.| ¾|-1|-1¼|-1½|-1¾|-2| | | | +--------+--+--+---+---+---+--+-------+------+-----------+ | ½ | | 1| | 3| 6| 3| 13 | 1.69 | -1.19 | | ⅝ | | 1| | | 9| 3| 13 | 1.21 | - .59 | | ⅞ | | | | | | 2| 2 | 2.00 | - .13 | | -1 | 1| | 2 | 4| 4| 2| 13 | 1.56 | - .56 | +--------+--+--+---+---+---+--+-------+------+-----------+ |Totals | | | | | | | | | | | or | | | | | | | | | | |means, | | | | | | | | | | | .72| 1| 2| 2| 7| 19|10| 41 | 1.51 | - .79 | +--------+--+--+---+---+---+--+-------+------+-----------+

TABLE 39.—_Results of a return selection from generation 11, minus series._

+--------+-------------------+-------+------+-----------+ | Grade |Grade of offspring.| | | | | of +---+---+---+---+---+Totals.|Means.|Regression.| |parents.| ¼|-1¾| -2|-2¼|-2½| | | | +--------+---+---+---+---+---+-------+------+-----------+ | -1⅝ | 1| 3| 7| 3| 2| 16 | 1.95 | -.33 | +--------+---+---+---+---+---+-------+------+-----------+

TABLE 40.—_Results of a return selection from generation 6, plus series._

+--------+--------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.|+½|+¾|+2|2¼|2½|2¾| 3|3¼|3½| | | | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | 2 | 1| 1| 3| 3| 2| 2| 3| 1| 1| 17 | 2.36 | -.36 | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 41.—_Results of a return selection from generation 11, plus series._

+--------+--------------------------+-------+------+-----------+ | Grade | Grade of offspring. | | | | | of +--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.|2¼|2½|2¾| 3|3¼|3½|3¾| 4|4¼| | | | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | 2⅝ | 2| 3| 2| 5| 5| 1| 1| | | 22 | | | | 2¾ | | | 2| 4| 1| 8| 2| | | 17 | | | | 3 | | | | | | | 4| 4| 1| 9 | | | | 3¼ | | | | 1| | | 3| 1| | 5 | | | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | or | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | 2.79| 2| 3| 4|10| 6|12|10| 5| 1| 53 | 3.32 | -.53 | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 42.—_Classification of the extracted hooded individuals obtained in the second generation from a cross between hooded and wild rats._

+----------------+-----------------------------------------------------+ |Grade of hooded | Grade of extracted hooded grandchildren. | |grandparents. | | | +--+---+---+---+--+--+--+--+--+--+--+--+--+--+--+--+--+ | |-2|-1¾|-1½|-1¼|-1|-¾|-½|-¼| 0|+¼| ½| ¾| 1|1¼|1½|1¾| 2| +----------------+--+---+---+---+--+--+--+--+--+--+--+--+--+--+--+--+--+ |♀ -1⅞, | | | | | | | | | | | | | | | | | | | gen. 2½, | | | | | | | | | | | | | | | | | | | minus series | | | 2 | | 4| 6| 5| 6|13| 2| 1| 3| 4| 5| 3| 4| 2| |♀♀ -2, | | | | | | | | | | | | | | | | | | | gen. 6, | | | | | | | | | | | | | | | | | | | minus series | | 1 | 1 | 1 | 1| 2| 6| 6| 7| 2| 3| 6| 4| 2| 4| 1| | |♀♀ -2 | | | | | | | | | | | | | | | | | | | and -2¼, | | | | | | | | | | | | | | | | | | | gen. 10, | | | | | | | | | | | | | | | | | | | minus series | 1| 3 | 3 | 1 |10| 3| 9| 8|14| | 4| 7| 8| 1| 4| 3| 5| |♀♀ +3, | | | | | | | | | | | | | | | | | | | gen. 3, | | | | | | | | | | | | | | | | | | | plus series | | | | | | | | | | | | | | | | 1| 5| |♀♀ +3¼, | | | | | | | | | | | | | | | | | | | gen. 5 | | | | | | | | | | | | | | | | | | | and +3½, gen. | | | | | | | | | | | | | | | | | | | 6, plus series| | | | | | | | | | | | | | | 1| 2| 1| |♀ +4¼, | | | | | | | | | | | | | | | | | | | gen. 10, | | | | | | | | | | | | | | | | | | | plus series | | | | | | | | | | | | | | | | | 1| +----------------+--+---+---+---+--+--+--+--+--+--+--+--+--+--+--+--+--+

+----------------+--------------------+----------------------------------+ | | |Total. | | | Grade of | |Mean. | | | extracted | | |Mean, uncrossed race. | |Grade of hooded | hooded | | | |Standard deviation.| |grandparents. | grandchildren. | | | | |Standard | | | | | | | | deviation, | | +--+--+--+--+--+--+--+ | | | | uncrossed | | |2¼|2½|2¾| 3|3¼|3½|3¾| | | | | race. | +----------------+--+--+--+--+--+--+--+--+-----+-----+-----+-------------+ |♀ -1⅞, | | | | | | | | | | | | | | gen. 2½, | | | | | | | | | | | | | | minus series | 1| | | | | 1| |62|+ .31|-1.20| .98| .49 | |♀♀ -2, | | | | | | | | | | | | | | gen. 6, | | | | | | | | | | | | | | minus series | | |1 | | | | |48|+ .25|-1.59| .97| .44 | |♀♀ -2 | | | | | | | | | | | | | | and -2¼, | | | | | | | | | | | | | | gen. 10, | | | | | | | | | | | | | | minus series | 2| 4| 1| | | | |91|+ .24|-2.05| 1.18| .24 | |♀♀ +3, | | | | | | | | | | | | | | gen. 3, | | | | | | | | | | | | | | plus series | 3| 2| 3| 4| 2| 1| |21|+2.56|+2.60| .50| .53 | |♀♀ +3¼, | | | | | | | | | | | | | | gen. 5 | | | | | | | | | | | | | | and +3½, gen. | | | | | | | | | | | | | | 6, plus series| 1| 1| 6| 9| 8| 8| 1|38|+2.97|+3.14| .52| .49 | |♀ +4¼, | | | | | | | | | | | | | | gen. 10, | | | | | | | | | | | | | | plus series | | | 3| 4| 2| 3| 3|16|+3.15|+3.84| .28| .36 | +----------------+--+--+--+--+--+--+--+--+-----+-----+-----+-------------+

TABLE 43.—_Classification of the extracted hooded individuals obtained in the second generation from a cross between hooded and Irish rats._

+---------------+-----------------------------------------------------+ |Grade of hooded| Grade of extracted hooded grandchildren. | |grandparents. | | | +--+---+---+---+--+--+--+--+--+--+--+--+--+--+--+--+--+ | |-2|-1¾|-1½|-1¼|-1|-¾|-½|-¼| 0|+¼|+½|+¾|+1|1¼|1½|1¾| 2| +---------------+--+---+---+---+--+--+--+--+--+--+--+--+--+--+--+--+--+ |-1½, gen. 3½ | 1| 5 | 3 | 6 |12|26| 9| 9|10| 1| 3| 2| 2| 1| | | | |-1⅞, gen. 4 | | 6 | 3 | 4 | 5| 9|14| 8| 1| | 1| 1| 1| | | | | |+2, gen. 7½ | 6| 6 |12 |11 | 8| 3| 4| 4| 6| 1| 3| | | | | 1| 1| |+2¼, gen. 2 | | | | | 3| 4| 5| 4|16| 7|16|22|25|29|24|13|33| |+3, gen. 3 | | | | | 2| | | | 1| 1| 3| 3| 4| 2| 2| 1| 2| +---------------+--+---+---+---+--+--+--+--+--+--+--+--+--+--+--+--+--+

+---------------+-----------------+--------------------------------------+ | | |Total. | | | Grade of | |Mean. | | | extracted | | |Mean, same grade and | | | hooded | | | generation, uncrossed race.| |Grade of hooded| grandchildren. | | | |Standard deviation. | |grandparents. | | | | | |Standard | | | | | | | | deviation, | | +--+--+--+--+--+--+ | | | | uncrossed | | | 2|2¼|2½|2¾| 3|3¼| | | | | race. | +---------------+--+--+--+--+--+--+---+-----+-----+-----+----------------+ |-1½, gen. 3½ | | | | | | | 90|- .62|-1.31| .61| .48 | |-1⅞, gen. 4 | | | | | | | 53|- .73|-1.18| .60| .46 | |+2, gen. 7½ | 1| | | | | | 66|- .94|-1.75| .84| .35 | |+2¼, gen. 2 |33|14| 8| 8| 6| 3|239|+1.27|+1.80| .90| .75 | |+3, gen. 3 | 2| 1| 1| | | | 23|+ .95|+2.50| .87| .53 | +---------------+--+--+--+--+--+--+---+-----+-----+-----+----------------+

TABLE 44.—_F₃ generation produced by extracted hooded rats (F₂ generation) derived from a cross of a hooded rat of the minus series with a wild rat. (See Table 42.)_

+--------+-----------------------------------------------------+ | Grade | Grade of (F₃) offspring. | | of (F₂)+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |parents.|-1|-¾|-½|-¼| 0|+½| ¾| 1|1¼|1½|1¾| 2|2¼|2½|2¾| 3|3¼|3½| +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | ¾ | 2| 1| 4| 3| 4| 1| 2| 1| | | | | | | | | 1| | | 2½ | | | | | 1| 1| 1| 3| 2| 2| 1| 5| 3| 6| 4| 3| 1| 1| +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

+--------+-------+------+-----------+ | Grade | | | | | of (F₂)+Totals.|Means.|Regression.| |parents.| | | | +--------+-------+------+-----------+ | ¾ | 19 | + .04| .71 | | 2½ | 34 | +2.06| .44 | +--------+-------+------+-----------+

TABLE 45.—_F₄ generation from minus series crossed with wild._

+--------+-----------------------------------------------+ | Grade | Grade of (F₄) offspring. | | of (F₃)+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |parents.|-¼| 0|+¼|+½| ¾| 1|1¼|1½|1¾| 2|2¼|2½|2¾| 3|3¼|3½| +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | 2¼ | 2| 1| | 1| 3| 6| 6| 9|16|25|14|10| 2| 1| | | | 2⅜ | | 2| 1| 1| 1| 6| 3| 8| 3| 9| | 4| 4| 1| 1| | | 2⅞ | 1| | | 2| | 1| 1| 1| 1| 1| | | | | | | | 3 | | | | 1| 1| 3| | 3| 5| 9| 5| 7| 3| 1| | 1| | 3⅛ | | | | | | | | 1| 1| 3| 1| 2| 5| 4| | 1| | +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |Totals | | | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | | | 2.52| 3| 3| 1| 5| 5|16|10|22|26|47|20|23|14| 7| 1| 2| +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

+--------+-------+------+-----------+ | Grade | | | | | of (F₃)|Totals.|Means.|Regression.| |parents.| | | | +--------+-------+------+-----------+ | 2¼ | 96 | 1.78 | .47 | | 2⅜ | 44 | 1.67 | .70 | | 2⅞ | 8 | .91 | 1.96 | | 3 | 39 | 2.02 | .98 | | 3⅛ | 18 | 2.82 | .30 | | +-------+------+-----------+ |Totals | | | | | or | | | | |means, | | | | | 2.52| 205 | 1.86 | .66 | +--------+-------+------+-----------+

TABLE 46.—_F₅ generation from minus series crossed with wild._

+--------+--------------------------------------+------------------------+ | Grade | Grade of (F₅) offspring. |Totals. | | of (F₄)+--+--+--+--+--+--+--+--+--+--+--+--+--+ Means. | |parents.| 0|+½| ¾| 1|1¼|1½|1¾| 2|2¼|2½|2¾| 3|3¼| Regression.| +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+-----+------+-----------+ | 2 | 1| | 1| 3| 3| 2|12|15|10| 2| 3| 1| | 53 | | | | 2⅛ | | | | 1| | 1| 1| 4| 1| | 4| | 1| 13 | | | | 2¼ | | | | | | 1| 3| 4| 1| 2| 2| | | 13 | | | | 2⅜ | | | | | | | 1| 2| 3| 2| 4| 2| | 14 | | | | 2⅝ |1 | 1| 2| 1| | 2| | | | | | | | 7 | | | | 2⅞ | | | | | | | | 2| 1| 1| 1| | | 5 | | | | 3 | | | | 1| | | | 1| | 1| 7| 4| | 14 | | | | +--+--+--+--+--+--+--+--+--+--+--+--+--+-----+------+-----------+ |Totals | | | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | | | 2.27| 2| 1| 3| 6| 3| 6|17|28|16| 8|21| 7| 1| 119 | 2.06 | .21 | +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+-----+------+-----------+

TABLE 47.—_F₆ generation from minus series crossed with wild._

+--------+-----------------------------------------+---------------------+ | Grade | Grade of (F₆) offspring. |Totals. | | of (F₅)+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ Means. | |parents.|+½| ¾| 1|1¼|1½|1¾| 2|2¼|2½|2¾| 3|3¼|3½|3¾| Regression.| +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-----+------+--------+ | 2⅜ | | 1| 1| 1| 4| 8|13| 4| 4| 7| 3| 2| | | 48 | 2.14 | .23 | | 2½ | | | | 3| 2| 2| 4| 3| 3| 5| 4| | | | 26 | 2.24 | .26 | | 2⅝ | 1| | 1| 1| 2| 1| 2| 3| | 3| 4| 1| 1| | 20 | 2.26 | .36 | | 2¾ | 1| | | 1| 4| 2| 5| | 3| 8| 2| 5| | | 31 | 2.35 | .40 | | 2⅞ | | | | | 1| | 4| 1| 9| 7|11| 5| 2| | 40 | 2.74 | .13 | | 3⅛ | | | | | | 1| 4| 2| 4| 7| 6| 2| 1| 2| 29 | 2.73 | .39 | +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-----+------+--------+ |Totals | | | | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | | | | 2.69| 2| 1| 2| 6|13|14|32|13|23|37|30|15|4 | 2| 194 | 2.41 | .28 | +--------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+-----+------+--------+

TABLE 48.—_F₇ generation from minus series crossed with wild._

+--------+-----------------------------------+-------+------+-----------+ | Grade | Grade of (F₇) offspring. | | | | | of (F₆)+--+--+--+--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.| ¾| 1|1½|1¾| 2|2¼|2½|2¾| 3|3¼|3½|3¾| | | | +--------+--+--+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | 2⅝ | | | 4| 4|12| 2| 9| 9|12| 1| | | 53 | 2.41 | .21 | | 2¾ | 3| 1| | 2| 6| 5| 4| 4| 3| | | | 28 | 2.14 | .61 | | 2⅞ | | | 1| 1| 1| 2| 3| 1| | 1| | | 10 | 2.32 | .55 | | 3 | | | | | | 1| 3| 1| 3| 1| 3| | 12 | 2.93 | .07 | | 3⅛ | | 1| 3| 2| 3| 1| 4| 3| 5| 2| 2| 1| 27 | 2.59 | .53 | | 3¼ | | | | | 3| 1| 3| 3| 1| 3| | | 14 | 2.63 | .62 | | 3⅜ | | | | | 1| | 2| 2| 2| 2| 1| | 10 | 2.85 | .52 | +--------+--+--+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | | | | or | | | | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | | | | 2.80| 3| 2| 8| 9|26|12|28|23|26|10| 6| 1| 154 | 2.46 | .34 | +--------+--+--+--+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 49.—_F₈ generation from minus series crossed with wild._

+--------+--------------------------+-------+------+-----------+ | Grade | Grade of (F₈) offspring. | | | | | of (F₇)+--+--+--+--+--+--+--+--+--+Totals.|Means.|Regression.| |parents.|1¾| 2|2¼|2½|2¾| 3|3¼|3½|3¾| | | | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+ | 2¾ | | | | 1| | 1| | | | 2 | 2.75 | 0 | | 3 | 1| 1| 3| 5| 8| | 5| | 1| 24 | 2.74 | .01 | | 3⅛ | 1| 2| 3| 3| 5| 3| 1| 1| | 19 | 2.60 | .52 | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+ |Totals | | | | | | | | | | | | | | or | | | | | | | | | | | | | |means, | | | | | | | | | | | | | | 3.08| 2| 3| 6| 9|13| 4| 6| 1| 1| 45 | 2.67 | .41 | +--------+--+--+--+--+--+--+--+--+--+-------+------+-----------+

TABLE 50.—_Results of crossing the selected plus with the selected minus series._

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Piebald rats and selectionChapter III: Part 3

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