INDEX 



graft, 213, 217, 227 

 graft-hybrid, iii, 227, 228 

 grasshoppers, 322 

 Griincbcrg, 116, 202 

 Gudjonsson, 266, 267 

 guinea pig, 216 

 gymnospcrm, 201 

 gynandromorph, 1 12 



Habrobracon, 113 

 Hadom, 202 

 haemophilia, 49 

 Haldane, 19, 229 

 Hammerhng, 17, 190 

 haploid, 18, 24, 98 

 haploid generation, 105 

 Harrison, 73 

 Hartung, 269 

 Hemiptera, 52 

 heredity, 15, 149 



ambilinear, 183 



matrilinear, 170 

 herpes, 217 



heterocaryon, 163, 342, 343 

 heterochromatin, 32, 47, 146, 



195 sqq., 329 

 heterosis, 237 

 heterostyly, 248 sqq. 

 heterothally, 240, 247, 248 

 heterozygote, 38, 102, no, 276 

 hexaploid, 140 

 Hieracium, 201 

 Hildebrand, 248, 255 

 Hinduism, 356 

 Hodson, 365 

 Hoffmann, 184 

 Hogben, 347 

 Holmes, 210 



homology, v. chromosome 

 homostyle, 259 

 homozygote, 38, 102, 276 

 Hordeum, 171 

 host-parasite relation, 274 

 Huskins, 339 

 Hyacinthus, 123, 127 

 hybrid, 18 



incapacity, 307, 308 



interchange, 133 



mendelian, 36 



numerical, 127 



species, 168, 191 



structural, 128 



true-breeding, 260 



twin, 261 



161. 



hybridity optimum, 237, 259, 269 



equilibrium, 241 

 hypcrgamy, 357 

 Hypericum, 130, 317 

 hypomorph, 152 



Imai, 171 



inbreeding, 275, 282, 283 sqq, 297, 318 



and isolation, 309 



depression, 235, 292 



in man, 353 sqq. 



mechanisms, 241 

 incest, 252, 253, 355 

 incompatibility 



allelomorphs, 332, 334 

 self, 164, 174, 243 sqq., 255 sqq,. 357 

 individuality, 16, 34 

 inertia, 297, 300 

 inertness, v. gene 

 infection, 207 sqq. 

 inheritance, v. heredity 

 insects, 227, 308 



pollination, 242 

 interchange, 102, 128 sqq., 311, 315, 318, 



323, 335 

 interference, 45 

 intergenic change, 106 

 intersexes, 258 

 inversion, 102, 131, 212 sqq., 318, 323, 



331.335 

 isochromosome, 103, 330 

 isolating mechanisms, 307 

 isolation, 305 sqq., 356 



Janssens, 34 



Johannsen, 15, 42, 62 sqq., 171, 274, 373 



Johansson, 284 



Johnson, 218 



Jollos, 183 



Jones, D. F., 339, 340 



Jones, Sir William, 360 



Jorgensen, in 



Kallmann, 350 

 Karpechenko, 135 

 Koller, loi, 215, 348 

 Kiihn, 193 



La Cour, 195, 196, 321 

 Lamarckian 



effects, 182, 211 



inheritance, 274 

 language, 360 



442 



