INDEX 



Abraxas grossuiariata, 96 



"Acquired" characters, 13 



Adaptation, 137 



Agouti mice, 46 



Albii^o mice, 46 



Albinos, nature of, 49 



Amauris^ 138 



Analysis of types, 149 



Ancestral Heredity, Law of, 11 



Andalusian fowls, 64 



Axil colour in sweet-peas, 85 



Bateson, W. , 13, 25, 26, 51, 112, 



127, 135 

 Biffen, R. H., 150 

 Blue Andalusian fowls, 65 

 Brachydactyly, 162 • 

 Bryony, 116 

 Bush sweet-peas, S7 



Castle, 127 



Cattle, horns in, 79, 158 



Colour, nature of, in flowers, 45 



Colour-blindness, 113 



Combs of fowls, 29, 40 



Correns, C. , 26, 116 



Coupling of characters in gametes, 



86 

 Cu6not, 46, IIS 

 ' ' Cupid " sweet-peas, 57 

 Currant moth, 96 



Darwin, C. , 9, 60, 140, 155 

 De Vries, H., 14, 26, 135 

 Discontinuity in variation, 13 

 Dominant characters, 16 

 Doncaster, L., 96 

 Drinkwater, H., 163 



Dutch rabbits, 55 



Eggs, 2 



Environment, influence of, 132 



Euralia, 139 



Evolution, 9, 78, 134 



Eye, in primulas, 51 



Eye-colour, in man, 167 



Factor, definition of, 28 



Factors, interaction of, 39 



Fertilisation, 3 



Fertilisation, self- and cross-, 155 



Fixation of varieties, 146 



Fluctuations, 133 



Fowls, coloured from whites, 4s, 68 



Gallon, n, 169 

 Gametes, nature of, 5 

 Gregory, R. P., 51 



Haemophilia, 166 

 Hardy, G. H., 141 

 Heterozygote, definition of, 25 

 Heterozygote, of intermediate 



form, 63 

 Hieracium, 24, 128 

 Himalayan rabbits, 55 

 Homostyle primulas, 52 

 Homozygote, definition of, 25 

 Hooded sweet-peas, 82 

 Horses, bay and chestnut in, 158 

 Hurst, C. C, 57, 167, 170 



Immunity in wheat, 151 

 Individuality, 130 

 Inhibition, factors for, 69, 104 

 Intermediates, 121 



179 



