INDEX 



Abraxas grossulariata, gg 



"Acquired" characters, 14 



Adaptation, 143 



Agouti mice, 50 



Albino mice, 50 



Albinos, nature of, 53 



Amauris, 144 



Analysis of types, 156 



Ancestral Heredity, Law of, 13 



Andalusian fowls, 70 



Axil colour in sweet peas, g3 



Bateson, W., 14, 2g, 55, 116, 132, 141 



Biffen, R. H., 157 



Blue Andalusian fowls, 71 



Brachydactyly, 171 



Bryony, 120 



Bush sweet peas, 63 



Castle, 132 



Cattle, horns in, 86, 166 



Colour, nature of, in flowers, 48 



Colour-blindness, 117 



Combs of fowls, 33, 43 



Correns, C., 2g, 120 



Coupling of characters in gametes, 



93 



Cuenot, 50, ng 

 "Cupid" sweet peas, 62 

 Currant moth, gg 



Darwin, C., 10, 65, 147, 163 

 De Vries, H., 15, 2g, 141 

 Discontinuity in variation, 14 

 Dominant characters, 18 

 Doncaster, L., gg 

 Drinkwater, H., 172 



Dutch rabbits, 60 



Eggs, 2 



Environment, influence of, 137 



Euralia, 144 



Evolution, 10, 85, i3g 



Eye, in primulas, 55 



Eye-colour, in man, 176 



Factor, definition of, 31 



Factors, interaction of, 42 



Fertilisation, 3 



Fertilisation, self- and cross-, 163 



Fixation of varieties, 153 



Fluctuations, 138 



Fowls, coloured from whites, 4g, 73 



Gal ton, 13, i7g 

 Gametes, nature of, 6 

 Gregory, R. P., 55, g3 



Haemophilia, 176 



Hardy, G. H., 147 



Heterozygote, definition of, 28 



Heterozygote, of intermediate form, 68 



Hieracium, 27, 132 



Himalayan rabbits, 60 



Homostyle primulas, 56 



Homozygote, definition of, 28 



Hooded sweet peas, 8g 



Horses, bay and chestnut in, 167 



Hurst, C. C., 62, 176, 180 



Immunity in wheat, 158 

 Individuality, 135 

 Inhibition, factors for, 74, 108 

 Intermediates, 125 



191 



