INDEX 



633 



Lepidoptera, 290, 296 

 Lepisosteus, tail, 366 

 Leptsosteus osseus, scales, 363 

 Lepisosteus tristoechus, 351 

 Lepus cuniculus, brain, 430 

 Lethal genes, 563 

 Leucocytes, 101, 330, 518 

 Lice, 288, 294, 525, 526 



fish, 267 

 Lids, eye, 363, 339, 375 

 Life, 18, 25-28, 480 

 Life cycle, 44, 460-462 



(See also Life history) 

 Life history, Aurelia, 151 



butterfly, 286 



grasshopper, 285 



hemimetabolous insect, 285 



holometabolous insect, 286 



liver fluke, 173 



locust, 285 



lung trematode, 175 



malarial parasite, 88-91 



mussel, 214 



Ohelia, 152 



physiological, 506 



tapeworm, 176 



(See also Development) 

 Life zones, 611, 530, 535-537 

 Ligaments, 100, 101, 320 

 Light, 15, 38, 56, 67, 458, 507, 531 

 Light, C. F., 321 

 Limbs, 325, 327, 367-369, 410, 546, 553 



(See also Legs) 

 Limpets, 224 

 Limulus polyphemus, 309 

 Linckia guildingii, 201 

 Lines of growth, 212, 213 

 Lingula, 193 

 Linin, 30, 48, 49 

 Linkage, 569 



Linnaeus, 59, 186, 670-572 

 Lion, 434, 534 

 Lipoids, 20 

 Lips, 424 

 Liquid, 9 



Littoral fauna, 511 

 Liver, 214, 216, 267, 304, 319, 323, 328, 329, 345, 



428, 459 

 Living conditions and disease, 516 

 Lizards, 340, 386, 388, 389-392 



head, 390 

 Lobate foot, 413 

 Lobe-finned ganoids, 350, 361 

 Lobsters, 29, 265, 270 

 Localization, 139 

 Localized stimulus, 139 

 Location, sense of, 418, 529 

 Lock and key relationship, 500 

 Locomotion, 54, 494—495 



ameba, 66 

 birds, 410-414 

 crayfish, 262 

 fishes, 354 

 hydra, 141 

 leech, 250 



Locomotion, mussel, 213 



Paramecium, 71-72 



snake, 393-394 



squid, 226 



starfish, 197-198 

 Locusts, 276-277, 285, 529 



diagram of body parts, 277 

 Loeb, J., 114 

 Loligo pealei, 226 

 Lophophore, 191, 193, 574 

 Lotsy, J. P., 550 

 Love, 501 

 Love birds, 423 

 Lumbar vertebrae, 325, 326 

 Lumbricus terrestris, 234, 236 

 Lumen, gland, 467 

 Luminescence, 38, 82, 149, 283, 458 

 Luminescent organs, 363, 364 

 Lung books, 306 



Lung fishes, 340, 350 352, 363, 368, 534, 542 

 Lungs, 313, 323, 328, 366, 388, 407, 427, 428, 468 

 Lycosa carolinensis, 303 

 Lymnaea hulimoides, 173 

 Lymph, 330 

 Lymph glands, 330 

 Lymph nodes, 330 

 Lymphatic vessels, 330 

 Lymphatics, 329, 330 

 Lyre birds, 416, 534 



M 



Macaques, 439, 634 



MacBride, E. W., 199 



Mach, E., 458 



Machine, and body, 481 



Mackerel shark, 474 



Macrogametes, 45, 86, 89, 90, 470 



Macrogametocytes, 89, 90 



Macromeres, 378 



Macronucleus, 70, 71, 74-77, 85 



Macropus rufus, 432 



Madreporite, 194, 195, 197, 201, 207-209, 211 



Magellania lenticularis, 193 



Maggot, 284, 287 



Magnesium, 19 



Malacobdella, 187 



Malacostraca, 265 



Malagasy region, 534 



Malaria, 88-91 



life cycle, 89 

 Male, 45, 106, 178, 182, 189, 266, 268, 288, 296- 



299, 331, 471, 566-568 

 Mallard, 423 

 Malleus, 336, 337, 428 

 Malpighi, 581, 583 



Malpighian tubules, 274, 281, 282, 303, 470, 494 

 Mammalia, 340, 424, 429 

 Mammalogy, 5 



Mammals, 113, 119, 120, 123, 314, 340, 366, 

 424-454, 460, 469, 470, 477, 485, 521, 532, 

 539, 543, 568 



egg-laying, 429 



hibernation, 484 



migrations of, 530 



