Chapter III: Appendix: A. Ovarian Transplantation 419

" B. DYNAMIC EVOLUTION 421

" C. THE "MELTING POT" 424

" D. THE ESSENCE OF MENDELISM 429

" E. USEFUL WORKS OF REFERENCE 436

" F. GLOSSARY 437

LIST OF ILLUSTRATIONS

FIGURE PAGE

1. Four Baby Girls at Once 6

2. The Effect of Nurture in Changing Nature 10

3. Height in Corn and Men 12

4. Why Men Grow Short or Tall 14

5. Bound Foot of a Chinese Woman 42

6. Defective Little Toe of a Prehistoric Egyptian 42

7. Effect of Lead as a "Racial Poison" 63

8. Distribution of 10-Year-Old School Children 76

9. Variation in Ability 77

10. Origin of a Normal Probability Curve 78

11. The "Chance" or "Probability" Form of Distribution 79

12. Probability Curve with Increased Number of Steps 80

13. Normal Variability Curve Following Law of Chance 80

14. Cadets Arranged to Show Normal Curve of Variability 82

15. Variation in Heights of Recruits to the American Army 82

16. How Do You Clasp Your Hands? 100

17. The Effect of Orthodactyly 102

18. A Family with Orthodactyly 102

19. White Blaze in the Hair 104

20. A Family of Spotted Negroes 104

21. A Human Finger-Tip 106

22. The Limits of Hereditary Control 106

23. The Distribution of Intelligence 106

24. The Twins whose Finger-Prints are Shown in Fig. 25 108

25. Finger-Prints of Twins 110

26. A Home of the "Hickory" Family 168

27. A Chieftain of the Hickory Clan 170

28. Two Juke Homes of the Present Day 172

29. Mongolian Deficiency 174

30. Feeble-Minded Men are Capable of Much Rough Labor 192

31. Feeble-Minded at a Vineland Colony 192

32. How Beauty Aids a Girl's Chance of Marriage 215

33. Intelligent Girls are Most Likely to Marry 216

34. Years Between Graduation and Marriage 217

35. The Effect of Late Marriages 218

36. Wellesley Graduates and Non-Graduates 242

37. Birth Rate of Harvard and Yale Graduates 266

38. Families of Prominent Methodists 263

39. Examining Immigrants at Ellis Island, New York, 303

40. Line of Ascent that Carries the Family Name 331

41. The Small Value of a Famous, but Remote, Ancestor 338

42. History of 100 Babies 344

43. Adult Morality 345

44. Influence of Mother's Age 347

45. The "Mean Man" of the Old White American Stock 425

46. The Carriers of Heredity 431