INDEX 



Abraxas grossulariaia, 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. j 97, 109 



Doves, 95 



Drinkwater, H, , 201 



Di'osophila, 98 



body-colour in, 139 



chromosomes of, 104, 138 



eye-colour in, 98 



vestigial wings in, 139 

 Dutch raibbits, 55^ 198 



Eggs, 2 



Environment, iniluence of, 170 

 Eutalia, 177 1 



Evolution, 9, 78, 172 

 Eye, in primulas, 51 

 Eye-colour, in Drosopkila, 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 . 



Fluct\iations, 171 



Fowls; coloured from whites, 45, 67 



217 



