TABLE OF CONTENTS

PAGE
Preface[v]
Introduction by Edward A. Ross[xi]
CHAPTER
I.Nature or Nurture?[1]
II.Modification of the Germ-Plasm[25]
III.Differences Among Men[75]
IV.The Inheritance of Mental Capacities[84]
V.The Laws of Heredity[99]
VI.Natural Selection[116]
VII.Origin and Growth of the Eugenics Movement[147]
VIII.Desirability of Restrictive Eugenics[167]
IX.The Dysgenic Classes[176]
X.Methods of Restriction[184]
XI.The Improvement of Sexual Selection[211]
XII.Increasing the Marriage Rate of the Superior[237]
XIII.Increase of the Birth-Rate of the Superior[255]
XIV.The Color Line[280]
XV.Immigration[298]
XVI.War[318]
XVII.Genealogy and Eugenics[329]
XVIII.The Eugenic Aspect of Some Specific Reforms[352]
Taxation[352]
Back to the Farm Movement[355]
Democracy[360]
Socialism[362]
Child Labor[368]
Compulsory Education[369]
Vocational Guidance and Training[371]
Minimum Wage[374]
Mother's Pensions[375]
Housing[376]
Feminism[378]
Old Age Pensions[384]
Sex Hygiene Movement[385]
Trades Unionism[388]
Prohibition[389]
Pedagogical Celibacy[390]
XIX.Religion and Eugenics[393]
XX.Eugenics and Euthenics[402]
AppendixA. 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

FIGUREPAGE
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]

Transcriber's Note: Some illustrations are not as good as hoped for, but all have been placed.