160 



INDEX 



KAMMEBEB, P., 96 



LAMARCK, 136 



Leptinotarsa, 28 



Lychnis, 66 



Maize, 65, 66 



Man, Heredity in, 101-117, 126 



Marsh-marigold, 15 



Maternal Impression, 99 



Mendelian Heredity, 52-89 



in Man, 102, 



104-109 



Mendel's Experiments, 53, 54 

 Mental and Moral Characters, 49 

 Mid-parent, 40 

 Mode, 10, 34 

 MORGAN, T. H., 128 

 Mouse, 74 

 Mulatto, 110 

 Mutation, 22 



Natural Selection, 8, 89, 136 

 NETTLESHIP, E., 106, 108 

 Night-blindness, 106 

 Nucleus, 140, 145 

 Organic Stability, 24 

 Pangenesis, 137 

 PEARSON, K., 32, 41, 115 (note) 

 Peas, 54 

 Pigeons, 66 

 Primula, 66, 79, 81-83 

 Protoplasm, 3 

 PUNNETT, B. C., 70, 125 

 'Pure Lines, 5 44, 87 

 Babbit, 74, 79, 87 

 Kat, 72, 79, 96 (note) 

 Becessive Characters, 56 

 Begression, 35 

 Betinitis pigmentosa, 107 

 Beversion, 74, 76 

 Bust in Wheat, 64 



SCHUSTER, E., 49, 103 



Sea-urchin eggs, 145, 146 



Seed-colour, 66 



Segregation, 58 



Sex, 84, 105, 108, 119-134 



Sheep, 84, 121 



Silkworms, 94 



Skew Curves, 15 

 ,, Correlation, 39 



Skin-colour, 110 



Social Problems, 114 



STANDFUSS, M., 27 



Statistical Study of Variation, 32 



Stature, 10, 34/37 



Sterility, 66, 112 



Stocks, 66, 80 



SUMNER, F. B., 96 (note) 



Sweet-pea, 54, 66, 76, 125 



Telegony, 97 



Temperature, effects of, 25, 27, 28 



Tortoiseshell Cat, 84, 120 



TOWER, W. L., 28 



Tuberculosis, 25 



Twins, 30, 113, 129 



Variation, 2, 5, 7 



Causes of, 8,23-31,142 



Variation, Continuous and Dis- 

 continuous, 9-12, 17-19, 22, 88 



Variation, Curves illustrating, 

 11-17 



Variation induced by crossing, 29 



VRIES, H. de, 19 



WALLACE, A. B., 8 



WEISMANN, A., 20, 23, 138-144 



WELDON, W. F. B., 33 



Wheat, 64, 66 



WHELDALE, MURIEL, 77 



YULE, G. U., 42 



Zygote, 58 



CAMBRIDGE : PRINTED BY JOHN CLAY, M.A, AT TI1E UNIVERSITY PKSS 



