INDEX 



Abstract qualities of groups, 80. 



Accuracy of statistical constants, 

 53. 



Adami, 41. 



American Breeders' Association, 

 159. 



Ancestral elimination, 114. 



Ancestral generations, designa- 

 tion of, 141. 



Ancestral inheritance, law of, 11, 

 13, 49, 66, 68. 



Anthropology, 42. 



Association, degrees of, 92. 



Assortative mating, 10. 



Avuncular ma tings, 126 ff. 



Bailey, 27. 



Bateson, 21, 27, 32. 



Beard illustration, 13. 



Biochemical method in inherit- 

 ance, 40. 



Biological implications of biome- 

 try, 63. 



Biometric constants, 57, 80. 



Biometric method in genetics, 

 9 ff ; compared with Mendelian, 

 19. 



Biometry, 9, 62 ff. 



Biometry a descriptive method, 

 12, 54, 62, 91. 



Births of children, illustration, 92. 



Blood transfusion, 9. 



Boring, 38. 



Boveri, 25. 



Brooks, 36. 



Brother X sister mating, 111 ff. 



Bunsow, 102. 



Bursa bursa-pastoris, 17. 



Card drawing illustration, 36. 

 Carrel, 52. 

 Castle, 17. 

 Causation, 87. 

 Center of group, 80. 

 Ceratopkyllum, 58. 

 Chapeaurouge, 102. 

 Chromosomes in inheritance, 25, 



26, 31, 33-35. 

 Clerk-Maxwell, 85. 

 Coefficient of inbreeding, 110, 



113, 115, 119, 120, 125, 126, 



130, 132, 140, 145. 

 Coefficient of relationship, 133 ff., 



145 ; defined, 143. 

 Comb form, inheritance of, 173. 

 Composition of groups, 79. 

 Conklin, 7, 36. 

 Contingency, degree of, 82. 

 Cook, 105. 

 Corn, selection experiments with, 



16. 

 Corn, yield of, 166. 

 Correlation coefficients, 15, 61, 69. 

 Counting, 79, 130. 

 Cousin mating, 121 ff. 

 Culture in vitro, 5. 

 Curve fitting, logic of, 21, 28. 

 Curves of inbreeding, 110, 116, 



139. 

 Cytological method in genetics, 



24 ff. 

 Cytoplasm in inheritance, 34. 



179 



