Chapter XXX: Section IV: MEASURING MAMMALS.--It is quite as easy to measure mammals

as birds. The dimensions to be taken may be seen by the accompanying filled blank, which is the form I always use.

Arctomys monax.

+-------------------------------------+--------+-------+-----------+
| Locality. |Ipswich | " | " |
+-------------------------------------+--------+-------+-----------+
| Age. | Adult | " | " |
+-------------------------------------+--------+-------+-----------+
| Sex. | M | F | F |
+-------------------------------------+--------+-------+-----------+
| Date. | 1868. | | |
| |Aug. 22 | " 20 | " 13 |
+-------------------------------------+--------+-------+-----------+
| No. | 58 | 55 | 43 |
+--------------+----------------------+--------+-------+-----------+
| | Eye. | 1.50 | 1.57 | 1.32 |
| +----------------------+--------+-------+-----------+
| | Ear. | 2.95 | 2.80 | 2.94 |
| +----------------------+--------+-------+-----------+
| Nose to | Occiput. | 2.30 | 3.45 | 3.45 |
| +----------------------+--------+-------+-----------+
| | Root of Tail. | 13.00 | 15.50 | 15.25 |
| +----------------------+--------+-------+-----------+
| |Outstretched Hind Leg.| 15.00 | 20.15 | 19.50 |
+--------------+----------------------+--------+-------+-----------+
| | End of Vertebra. | 4.98 | 4.50 | 5.45 |
| Tail to +----------------------+--------+-------+-----------+
| | End of Hair. | 6.00 | 6.75 | 7.60 |
+--------------+----------------------+--------+-------+-----------+
| | Hind Leg. | 3.10 | 2.80 | 2.95 |
| +----------------------+--------+-------+-----------+
| Hand | Length. | 2.10 | 1.85 | 2.05 |
| +----------------------+--------+-------+-----------+
| | Width. | .78 | .92 | .70 |
+--------------+----------------------+--------+-------+-----------+
| Height of Ear. | .85 | .75 | .65 |
+-------------------------------------+--------+-------+-----------+
| Muzzle. | .20 | -- | .15 |
+-------------------------------------+--------+-------+-----------+
| Girth. | -- | 14.50 | 9.75 |
+--------------+----------------------+--------+-------+-----------+
| | Length. | -- | -- | -- |
| Skull.[*] +----------------------+--------+-------+-----------+
| | Width. | -- | -- | -- |
+--------------+----------------------+--------+-------+-----------+
| Remarks. | Light | " |Top of |
| |colored.| " |head black.|
+-------------------------------------+--------+-------+-----------+

* This measurement is taken after the animal is skinned; the width of skull is measured on the widest part, the length on the longest part.