INDEX 



655 



Glycosuria, 401 



Gnathion, 563 



Gnathostomata, 507 



God, ideas concerning, 494 



Goethe, 497 



Goiter, 395 



Golden plover, 490 



Gonad stimulation, 400 



Gonad transplantation, 471 



Gonads, 397, 398 



Gonotheca, Obelia, 185, 186 



Gordiacea, 87 



Gordius, 87 



Gordon, K. B., 262 



Gorilla, 508, 537, 538, 539, 545 



Grand Canyon, 4^4 



Grantia, 79 



Grasshopper, 99, 506, 519 



mouth paits of, 201 



physiological adaptations in, 483 



structural adaptations in, 486 



vagrant, 200 

 Gravity, effect of, on plants, 16 

 Gray matter, 340, 353 

 Grebes, 113 

 Greeks, 561 

 Gregariousness, 492 

 Grijns, 278 

 Gristle-fishes, 107 

 Ground pines, 75 

 Growth curve, inflorescence in Yucca, 



271 

 Growth of cell, 415 

 Growth stimulation, 400 

 Grubs, yellow, 230, 232 

 Gruiformes, 114 

 Guanaco, 509 

 Guard cells, 251, 252, 267 

 Guinea pig, 438, 515 

 Gulick, 523 

 Gulls, 114 

 Gymnospermae, 75 

 Gynandromorphs, 471 

 Gypsy moths, 519 



Habits, formation of, 379 



Haeckel, 501 



Hair color, 563 



Hair form, 563 



Hairiness, 563 



Hairwoi-ms, 87 



Hales, Stephen, 241, 267 



Hands, 547 



Hanson, 396 



Haploid number, 429 



Hard palate, 284 



Harrington, 394 



Harrison, 432 



Harvey, William, 305, 408, 528 



Hawks, 114 



Hay fever, 394, 632 



Head fold, 426 



Head piece, sperm, 416 



Health, definition of, 609 



Health work, expeiiditurps for, in the 



United States, ()35 

 Hearing, 361 

 Heart, 30(9-308, 307, 488, 497 



beating of, 308 



insect, 209 

 Heart action, bee, 209 

 Heart muscl(\ 338 

 Heart-wood, 246-247 

 Heath hen, 599 

 Hedgehog, 534 

 Heidelberg jaw, 556, 565 

 Hemichordata, 105 

 Hemiptera, 101 

 Hemitrichia, 71 

 Hemoglobin, 312 

 Hemophilia, 31 1 

 Henle, 391 



Hens, breeding of, 453 

 Hepaticae, 73 

 Herbaceous plants, 240 

 Herbivorous animals, teeth of, 52 

 Heredity, 435, 437, 522, 640 

 Hermaphrodites, 471 

 Hermaphroditism, 412 

 Hermit crab, 490 

 Herrick, C. J., 388 

 Hertwig, O., 503 

 Hesperornithiformes, 113 

 Hessian fly, 585 

 Hexactinellida, 79 

 Hibernation, definition of, 10 

 Hind-brain, 346 

 Hippidium, 511 

 Hippopotamus, 543 

 Hirudinea, 93 



Histology, definition of, 138 

 Hitchcock, 479 

 Hodge, Prof., 383 

 Hog, 515 

 Holocephali, 107 

 Holophytic nutrition, 281 

 Holothuroidea, 95 

 Holozoic nutrition, 281 

 Homarus, 500 

 Homologous bones, 498 

 Homology, 67 

 Homoptera, 101 

 Homo heidelbergensis, 556, 560 

 Homo neanderthalensis, 557 

 Homo sapiens, 530, 557. 559, 560, 561 

 Honey bee, 201-202, 203, 550 



life history of, 212, 213 

 Honey manufacture, 208 



