494 



Index 



Goldberger, 476 

 Goldfinch, color, 343 

 Goldfish, see Japanese 

 Goklschmidt, 233 

 Gonorrhea, extent, 445 

 Goosefish, as food, 435 

 Gopher, see Ground Squirrels, Owls 

 Gorgas, 452-3 



Grafting experiments, 194-8 

 Grampus, 351 

 Grapple-dredge, 365, 370 

 Grassi, 450 



tJray, and Darwin, 45, 46; ill. 42 

 Grayfish, see Shark 

 Gray snapper, 348; wolf, distri- 

 bution, 174 

 Great-horned, see Owl 

 Great Plains, tension line, 182 

 Great Salt Lake, 76-8, 157 

 Grosbeak, see Rose-breasted 

 Ground, sloth, 148 



squirrels, damage, 393 

 destruction, 400, 402 

 distribution, 177, 182 

 ill., 401 



see Owls, Plague 

 Growth, 279, 280, 361 ; see Rat 

 Guano, 298 

 Guinea pigs, sex determination, 209 



see Inheritance 

 Gulf stream, 349, 353 

 Gulick, 255-6; quoted, 255 

 Gynandromorph, 210; ill. 209 

 Gypsy moth, control, 406 



introduction, spread, 385 



ill. 386 



see Sex intergrades 



H 



Hemoglobin, 330, 334, 445 



Haemophilia, 214, 273 



Hagfish, see Bdellostoma, Myxine 



Hairless Dog, 240 



Haiselden, 277 



Hare lip, 272 



Harris, 444 



Harrison, 195, 199 



Harvey, 479 



Harvard College, 47, 49, 50 



University, see Bussey Institu- 

 tion 

 Hatteria, see Tuatara 

 Havana, 111., Biological Station, 

 71 



Cuba, sanitation, 453-4 



Hayes, 54 



Hawaiian Islands, topography, 254 



snails, isolation, 254-6 

 Hawks, 161 



benefits from, 388, 390 



ired-tailed, 390; ill. 388 

 Head, see Vertebrate 

 Heat, see Animal 

 Heiscr, 441 



Heliconidse, see Mimicry 

 Heliotropism, 313 et seq. 

 Hemiptera, see Color, warning 

 Hens, see Selection, Diet 

 Hensen net, 373-5; ill., 374 

 Hermaphroditism, 98, 103, 210, 



231-2 

 Heron, R., 346 

 Heron, see Egret 

 Hesperornis, 40, 131; ill. 132 

 Hessian fly, introduction, damage, 



385 

 Hibernation, 296 

 Hippocrates, 320, 470 

 ' ' History of American Birds, ' ' see 



Baird, Brewer, Ridgway 

 Hitchcock, 125 

 Hog cholera, 409 

 Holmes, Oliver Wendell, 268, 444 

 Holmes, S. J., quoted, 304 

 Holoptychius, 123 

 Hopper, see Leaf, Tree 

 Hooded rat, selection, ill. 238 

 Hookworm, abundance, 466 



control, 466, 469 



effect, 464 



experiments on infection, 465- 

 466 



life historv, 466 



ill. 465, 468-9 

 Hooker, 44 

 Hopkins, C. G., 238 

 Hopkins, F. G., 292 

 Hormones, 314, 320; sex, 325 

 Hornaday, 63 

 Horned toad, distribution, 177, 



184; ill. 183 

 Hornless cattle, see Inheritance, 



cattle; Mutation 

 Hornwort, 382 

 Horse, evolution, 40, 149 



extinct, 148 



extinction, 149 



migration, 149 

 Horse-tail ferns, see Ferns 

 Hospital, see Barnard, Hunting- 

 ton 

 Howard, quoted, 453 

 Hudsonian zone, 174 _ 



