INDEX 



Abraxas grossulariata, 96 



"Acquired" characters, 13 



Adaptation. 175 



Agouti mice, 46 



Agouti rabbits, 47 



Albino mice, 46 



Albinos, nature of, 49 



Amauris, 176 



Analysis of types, 187 



Ancestral Heredity, Law of, 11 



Andalusian fowls, 64, 127 



Antirrhinums, 131 



Axil colour in sweet-peas, 131 



Barred plumage in fowls, 88 



Bateson, W., 13. 25, 26, 51, 173 



Baur, E. , 116 



Beans, 190 



Begonias, 114 



Blue Andalusian fowls, 64, 127 



Brachydactyly, 200 



Breda fowls, 36 



Bridges, C, 108 



Bryony, 152 



Bush sweet- peas, 57 



Canaries, 95 



Carnations, 114 



Cats, 109 



Cattle, horns in, 82, 196 



Chromosome theory of heredity, 



133 

 Chromosomes, 104, 134 



Colour, nature of, in flowers, 45 

 Colour-blindness, iii, 204 

 Combs of fowls, 29, 40 

 Correns, C. , 26, 152 

 Coupling of factors, 123 



Cretin sweet-peas, 79, 115, 131 

 " Crossing over," 142 

 Cu^not, L. , 46, 150 

 Cupid sweet-peas, 57 

 Currant moth, 96 



Daffodils, 167 

 Darwin, C, 9, 60 

 Davenport. C. B. , 162 

 De Vries, H., 14, 26, 173 

 Discontinuity in variation. 13, 173 

 Dominant characters, 16 

 Doncaster, L. , 97, 109 

 Doves. 95 



Drinkwater, H., 201 

 Drosophila, 98 



body-colour in, 139 



chromosomes of, 104, 138 



eye-colour in, 98 



vestigial wings in, 139 

 Dutch rabbits, 55, 198 



Eggs, 2 



Environment, influence of, 170 

 Euralia, 177 

 Evolution, 9, 78, 172 

 Eye, in primulas, 51 

 Eye-colour, in Drosophila, 98 

 in man, 204 



Factor, definition of, 28 



Factors, interaction of, 39 



Factors and chromosomes, 136 



Fertilisation, 3 



Fertilisation, self- and cross-, 193 



Fixation of varieties, 184 



Fluctuations, 171 



Fowls, coloured from whites, 45, 67 



217 



