INDEX

Abraxas grossulariata, [99]

"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, [93]

Bateson, W., [14], [29], [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., [29], [120]

Coupling of characters in gametes, [93]

Cuénot, [50], [119]

"Cupid" sweet peas, [62]

Currant moth, [99]

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

De Vries, H., [15], [29], [141]

Discontinuity in variation, [14]

Dominant characters, [18]

Doncaster, L., [99]

Drinkwater, H., [172]

Dutch rabbits, [60]

Eggs, [2]

Environment, influence of, [137]

Euralia, [144]

Evolution, [10], [85], [139]

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, [49], [73]

Galton, [13], [179]

Gametes, nature of, [6]

Gregory, R. P., [55], [93]

Hæmophilia, [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, [89]

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]

Johannsen, W., [160]

Lop-eared rabbits, [132]

Mendel, [8], [17], [26], [132]

Mental characters, [180]

Mice, inheritance of coat colour in, [50]

Mimicry, [143]

Mirabilis, [151]

Morgan, T. H., [116]

Mulattos, [129]

Mutation, [83], [138]

Nägeli, C., [26]

Natural selection, [11], [140], [142], [149]

Nettleship, E., [175]

Night-blindness, [175]

Pararge egeria, [132]

Parkinson, J., [122]

Pea comb, [33]

Peas, coloured flowers in, [24]

Peas, tall and dwarf, [18]

Pigeons, [86]

Pin-eye in primulas, [55]

Pisum, [17]

Primulas, [31], [55], [68], [93]

Pollen, [3]

Pollen of sweet peas, [92]

Pomace fly, [115]

Population, inheritance of characters in a, [147]

Presence and Absence theory, [35]

Pure lines, [162]

Purity of gametes, [24]

Purity of type, [155]

Rabbits, [53], [60]

Ratios, Mendelian—

3 : 1, [20]

9 : 3 : 3 : 1, [25], [34]

9 : 3 : 4, [51]

9 : 7, [49]

Ray, John, [143]

Recessive characters, [19]

Repulsion between factors, [90]

Reversion, [59], [165]

in rabbits, [59]

in sweet peas, [62]

in fowls, [65]

in pigeons, [65]

Rose comb, [33]

Saunders, E. R., [54], [122]

Seeds, nature of, [4]

Segregation, [22]

Selection, [162]

Sheep, horns in, [76]

Silky fowls, [30], [105]

Single comb, [32]

Species, nature of, [150]

Species, origin of, [11]

Speckled wood butterfly, [132]

Spermatozoa, [3]

Sports, [147]

Staples-Browne, R., [66]

Sterility, [151]

Sterility in sweet peas, [93]

Stocks, double, [122]

Stocks, hoariness in, [54]

Sweet pea, colour in, [44], [79]

history of, [82]

inheritance of hood in, [89]

inheritance of size in, [62]

Telegony, [167]

Thrum-eye in primulas, [55]

Toe, extra toe in poultry, [76]

Tschermak, E., [29]

Unit-character, definition of, [31]

Variation, [14], [137], [139]

Walnut comb, [33]

Weismann, A., [13]

Wheat, beard in, [74]

experiments with, [157]

White, dominant in poultry, [72]

Wilson, J., [168]

Yellow mice, [119]

Zygotes, nature of, [5]