342 



INDEX 



Belgian hare, 177, 187 



BELL, 318 



BELLING, 59 



Bertillon system, 19 



BIFFEN, 102, 296, 297 



Bimodal polygons, 29 



Biometry, 23, 254 



Birds, 199, 270, 283, 288 



Birthmarks, 83 



Black-eyed susan, 174 



BLAKESLEE, 59, 173 



BLARINGHEM, 76 



Blending inheritance, 93, 168 



Blind, 309, 321 



Bluegenics, 335 



Bob-tail, 172 



Bonellia, 293 



Booted poultry, 176 



BOVERI, 14, 218, 219, 220, 226, 



231, 249, 291 

 Brachydactyly, 102, 172 

 Branched habit, 102 

 Breeding, experimental, 254 



pedigree, 200, 203 

 BHEGGAR, 249 



BRIDGES, 53, 59, 145, 243, 246, 

 248, 269, 270, 285, 287, 292 

 Bristles, dichaet, 137 



thoracic, 137, 143, 145 

 BROOKS, 63 



Brown-eyed yellow, 157 

 Bryozoans, 11 

 Bud variations, 55 

 BUBBANK, 210, 211 



Cabbage butterflies, 51 



Cacaesthenic, 317 



Calf, two-headed, 22 



CALKINS, 136 



Callosities, 78 



CALVIN, 334 



Canaries, 102 



Capaella, 77 



Carnation, 47 



Carnegie Institution, 318 



Carriers, 282 



CASTLE, 7, 85, 86, 96, 102, 115, 

 117, 118, 137, 146, 154, 157, 

 158, 159, 161, 162, 166, 177, 

 178, 189, 207, 249 



Castration, 289 

 Cats, 235 



tailless, 49, 172 

 Cattle, 102, 205, 288 



color, 170 



hairless, 50 



hornless, 49, 172 

 Causes of mutation, 57, 60 



variation, 34 

 Celandine, 47, 172 

 Celibacy, 333 

 Cell differentiation, 72 



germ, 221, 55 



polar, 54, 224, 267, 271, 273 



sex, 224 



theory, 215 



typical, 216 



wall, 216 

 Centropyxis, 137 

 Centrosome, 216, 218 

 Cereals, 204 

 Cerebral hernia, 50 

 CHAPIN, 334 

 Characters, acquired, 62 



congenital, 68 



dominant, 195 



germinal, 67 



individual unit, 117 



mental, 303 



moral, 303 



prenatal, 68 



recessive, 119, 196 



secondary sexual, 287 



somatic, 67 

 Chelidonium, 47 

 Chiasmatype theory, 243 

 Chimaera, 55 



Chinese women, feet of, 15 

 Chromatin, 216, 217 

 Chromosomal aberrations, 58 

 Chromosomes, 217, 226, 243, 248 



cycle, 273 

 Chromosome, extra, 229 



maps, 247, 248 



number, 218 



sex, 245, 265 



theory, 229, 254 



x, 266, 268, 27?, 277, 280, 285 



y, 268, 279 



z, 283, 284 



