The Making of Species 



Greyhound, 364 

 Grosbeak, 281, 284 

 Groundsel, 260 

 Grouse, red, 125 

 Growth-force, 15, 16, 68 

 Grus leucogeramis, 282 

 Guillemot, 58, 190, 245 

 Guinea-fowl, 100, 127, 128, 279, 



362 



Guinea-pig, 95, 101, 129, 283 

 Gulick, 369, 372-7, 380 

 Gull, 190, 191, 207, 247, 290, 355 

 Gygis, 278 

 Gyrfalcon, 190 



HAECKEL, 15, 24 



Haemophilia, 340 



Halcyon smyrnensis, 2O2 



Halicetus albicilla, 65 



Hare, 131, 185, 200 



Harrier, 101 



Hartebeeste, 363 



Hawk-cuckoo, 235, 236 



Hawk-eagle, 101 



Hawks, 222, 235, 236, 247, 277 



Hecki y 104 



Helice, 103 



Heliconida:, 175, 215, 216, 228 



Heloderm, 217 



Henslow, 15, 22, 23, 47, 48, 259 



Heredity," 103, 145, 166, 340 

 "Heredity of Acquired Characters 



in Plants," 22, 48 

 " Heredity of Sexual Characters 



in relation to Hormones," 19, 330 

 Heron, 250, 317 

 Herring, 193 

 Hertwig, 151 

 Heusinger, 357 

 Hewitt, Mr, 307 

 Hierococcyx varius, 235, 248 

 Hilversum, 84 

 Himalayan argali, 120 

 Hinny, 127, 136, 140, 162 

 Hipparchia, semele, 205 

 Hippotragus equinus> 334 

 H. niger, 334 

 Hirundo riistica, 251 

 H. tytleri, 251 

 " History of Creation," 24 

 Hobby, 250, 251 

 Homogamy, 370 

 Honeyeater, 281 



Hormones, 335, 338 



Hornbill, 65, 220 



Homer, 340 



Horse, 61, 68, 69, 95, 96, 100, 101, 

 117, 127, 128, 140, 266, 267, 268, 

 272, 283, 322, 389, 363, 364, 374 



Horse, genealogy of, 41 



Houghton, 91 



Howard, 315, 332 



Hubrecht, 26 



Hume, 131 



Humming-bird, 328 



Hutton, 3 



Hutton, Captain, 115, 382 



Huxley, 3, 6, n, 40, 100, in 



Hyaena, 353 



Hybridism, 111-32, 292, 293 



Hydra, 21 



Hydrogen, 152, 153 



Hydrophasianus chirurgus, 250 



Hyla, 245 



Hypertely, 237, 240 



Hypolimnas misippus, 179, 180 



" IBIS, THE," 255, 256 



Icterus vulgariS) 244, 281, 284 



Impeyan pheasant, 104 



Indian Civil Service, 385, 386, 387 



Indian corn, 8 1 



Inheritance, 133-69 



alternative, 127 



blended, 140, 148 



definition of, 138 



of acquired characters, 10, 14, 



15, 18-24, 60, 107-10 



particulate, 140 



unilateral, 139, 140, 162 



Insectivores, 67 



Intercrossing, swamping effects of, 



42, 83 



Intimidating attitudes, 224, 225 

 lora, 244 

 Iridescence, 186 

 Irish elk, 67, 168 

 Isolation, 366-82, 387 

 Isomerism, biological, 154-8 



chemical, 152-4, 157 



Ithomiime, 228, 246 

 Ivy, 261 



JACANA, 250 

 Jackdaw, 51, 306 

 Jaeger, 86 



394 



