458 



GENERAL ZOOLOGY 



Invertebrates, 299 ; of past, 299 

 Islands, coral, 280 

 Isoptera, 110 

 Itch mites, 144 

 Ivory, 422 



Jackals, 424 

 Jaguar, 423 

 Japanese beetle, 45 

 Jaws, 312 

 Jay, 392 

 Jellyfish, 273 



Jensen and invention of microscope 

 443 H ' 



Jordan, David Starr, 184, 324 

 Judd, Dr., on birds, 397 

 June beetles, 43 

 Jungle fowl, 385 



Kangaroo, 414 

 Katabolism, 124 

 Katydid, 17 

 Kea, 388 



Kinetic energy, 123 

 King snakes, 361 



Knight, Charles R., drawings of fos- 

 sil horse, 434 



Labium, 3 



Labrum, 3 



Lacertilia, 355 



Lacteals, 408 



Lady beetles, 48 



Ladybird beetles, 48 



Ladybugs, 48 



Lancelet, 304 



Larva, 44, 96 



Larynx, 372 



Lateral line, 312 



Lazear, 102 



Leaf-cutter bees, 89 



Leech, 253, 308 



Leopard, 423 



Lepidoptera, 68 



Lice, as carriers of disease, 103: fish. 



166; plant, 33 

 Life and protoplasm, 133 

 Life processes, 117 

 Limicolae, 384 



Linnjeus, Carl, 108, 443-444 

 Lion, 423 



Littoral fauna, 330 

 Living matter, 129 

 Lizard, 351; legless, 355; pine, 351 

 Lobster, 157 

 Lockjaw, 432 

 Locustidae, 109 



Locusts, 1, 30; Rocky Mountain, 1; 

 seventeen-year, 30 ; thirteen-year, 30 

 Long-horned beetles, 52 



Long-horned grasshoppers, 17 



Longipennes, 378 



Loon, 378 



Lung books, 137 



Lungfishes, 326 



Lymph hearts, 336 



Lynx, 423 



Macronucleus, 294 

 Madreporic body, 224 

 Maggots, 69 

 Malaria, 74, 101, 295 



Malarial parasite, 295 



Malpighian tubes, 10 



Mammalia, 310, 412 



Mammary glands, 410 



Mammoth, 437 



Man, 427 ; Age of, 435 



Mandibles, 3 



Mange, 144 



Manna, 38 



Mantids, 21 



Mantle, 191 



Mantle cavity, 192 



Mantle folds, 191, 202 



Manubrium, 272 



Mark, Professor E. L., 448 



Marsupialia, 414 



Mastigophora, 298, 307 



Mastodons, 437 



Maturation, 133 



Maupas on conjugation, 294 



Maxillae, 3, 54, 77, 149 



Maxillipeds, 149 



May beetles, 43 



May flies, 27 



Meadow grasshopper, 18 



Measuring worm, 67 



Medulla, 316, 338, 373 



Medusa, 271, 308 



Melanism, 411 



Mendel, Gregor, 176 



Mendel's law, 176 



Mesenterial filaments, 278 



Mesenteries, 278 



Mesoderm, 136, 302 



Mesothorax, 4 



Mesozoic time, 365 



Metabolism defined, 124 



Metacarpals, 338 



Metamorphosis, 23, 340; complete, 



53, 96 ; incomplete, 23, 96 

 Metathorax, 4 

 Metazoa, 303 

 Mice, 422 

 Micronucleus, 294 

 Microscope, discovery of, 443 

 Migration of birds, 394 

 Milkweed butterfly, 54 

 Millipeds, 170 



