39 2 



Index of Subjects 



Silkworm colours 43, 137 

 Silky fowl 



comb 34 



feathers 35 



white colour of 103 



inheritance of pigmentation 185 

 Single flowers 31 

 Smooth foliage 22 

 Snapdragon, see Antirrhinum 

 Sociological application 303 

 Species 



problem of 4, 283 



basal organisation perhaps not trans- 

 ferable 73 



segregation between 284 



hybrids of 283, 353 

 Spleen, enlarged 220 

 Sports, bud 272 

 Standard 



erect and hooded 26, 153-157 



shape of, in sweet pea 153 

 Stature 



peas 8, 281 



man 209 



Stem, colour of, in Primula 138 

 Sterility 



of anthers in sweet pea 28, 152 



affecting descent 169 



of Boarmia hybrids 172 



of double flowers 198, 201 



of hybrids 251, 348 



of yellow mice 163 



self-sterility 242 



Stigmas, colour of, in Primula 139 

 STOCKS 



branching 19, 20 



"Brompton," peculiarities of 134 



colours 95, 98 



cream 204 



double 20 1 



glands 21 



"half-hoary" 238 



hoariness 19, 95, 238 



,, relation to colours 133 



ovules and pollen dissimilar in doubles 

 1 66 



pods, individuality of 254 



reversion 95, 133 



"sulphur" 204 



white, peculiarity of 106 

 Straw 22 

 Strawberry 248 

 Striping, in Antirrhinum 99 

 Structural characters in animals 32 



in plants 18 



Style 



Primula 2 7 

 Oenothera 28 



Subtraction-stages of factors 143, 237 

 Swedes, colour 135 

 SWEET PEA 8, 9, 39 



bicolours dominant 87 



bud-sport 274 



SWEET PEA continued 



"bush" variety 19 

 crossed with "cupid" 281 



colour in axils 152 



colours, relation of 91 



"cupid" 19, 281 



gametic coupling in 140 



height 18, 281 



heredity compared with that of Antir- 

 rhinum 98 



pollen grains 28, 89, 91, 150, 156 



reversion in 89, 281 



seed-shape 265 



"snapdragon" 26 



spurious allelomorphism 153, 155 

 Symmetry and heredity 274 



Tallness 8, 18 



Taraxacum 247 



Technique 301 



Teleangiectasis 220 



Terms in F%, number of, 59 



Todas, colour-blindness in, 223 



Tomato 26 



Tortoiseshell 



cats 1 20 



rabbits 117 



Transformation, Gartner's views on 358 

 Triphaena comes 44 

 Triticum, see Wheat 

 Turnip 



bulbing of 31 



colour of 135 



Turtur, sex-limited descent 194 

 Tylosis 219 



Unfixable types 298 

 "Unisexual" heredity 285 

 Unit-characters 5, 15 



nature of 266 

 Urtica 22 



Variation 



nature of 100, 147, 280 



confusion as to 301 

 Variegation 253 

 Verbascum, colour 41, 134 

 Viola 41, 284 



Waltzing mice 33, in 

 Weight of seed 239 

 WHEAT 



beard 22 



colour 41 



ears 22 



foliage 22 



glutenous 31, 258 



keel 22 



maternal characters in seed 258 



Polish 259 



re-combination of characters 71 



rust 25/233 

 White flowers in F% from cream x red 71 



