502 



INDEX 



Leopard, 446. 



Leopard frog, 348. 



Lcpidonotus, LSG. 



Lepidoptera, 29 ; economics of, 39 ; 

 general development, 29. 



Lepidosteus, 323. 



Libinia. 14L 



Lice, 23. 



Lida. 236. 



Life on the seashore, 11S2. 



Lit^ht-shunners, 90. 



Limax. 211,^212. 



Liminitis, 37. 



Limn^a, 214. 



Limpet, 219. 



Limulus, 146. 



Line-weavers, 106. 



Linneeus, 463, 466. 



Liobunum, llS. 



Lions, 446. 



Lithobius, 90, 97, 9S. 



Littorina, 216 ; littoria, spread of, 

 217, 379 ; palliata, 217 ; rudis, 217. 



Liver of frog, 331 ; lol^ster, 122 ; 

 pigeon, 3S5 ; smelt, 305. 



Liver-fluke, 193. 



Lizards, 349, 356, 357 ; common, 

 359 : as dryness lovers, 349 ; 

 fossil, 361. 



Llamas, 444. 



Lobster, 120 ; circulation in, 124 ; 

 development of, 146 ; distribution 

 of, 134; economic importance of, 

 145 ; enemies of, 136 ; excretion in, 

 125; molting of, 136 ; musculature 

 of, 125; nervous system of, 126; 

 nutrition in, 122; protection of , 135; 

 reproductive organs, 125 ; respira- 

 tion in, 122; sense-organs of , 126. 



Locomotion, of bird, 415 ; of snail, 200. 



Locust borer, 74. 



Locustidae, 19. 



Locusts, 15, 23. 



Loligo, 221. 



Long-horned beetles, 72 ; flies, S2 ; 

 grasshoppers. 19. 



Long-winged birds, 401. 



Louse-flies, S7. 



Lucanidie, 6S. 



Lung sacs, 105. 



Lung-snails, 213. 



Lycasnas, 41. 



Lycosidfe, 109. 



Lynx, 446. 



M 



Macaques, 450. 

 Rlacrura, 140. 



I\Lqctra, 232. 



Mactridae, 230, 231. 



Madreporite, 240. 



Maggots. 80. 



Malacostraca, 134, 144. 



Malaria, 281, 285; causes of, 85. 



Malpighi, 463, 464, 468. 



Mammalia, 420, 432, 441. 



Mammals, even-toed, hoofed, 444; 

 form of body of, 432 ; function of 

 digestion, 434 ; gnawing, 446 ; 

 hoofed, 444 ; muscular system of, 

 438 ; nervous system of, 438 ; 

 odd-toed, hoofed, 445 ; organs of 

 circulation, 436 ; digestion, 434 ; 

 excretion, 437 ; reproduction, 437 ; 

 respiration, 436 ; sense organs of, 

 439 ; skeleton of, 433 ; structure 

 of, 432. 



Manatees, 442. 



Mandrills, 450. 



Mantidfie, 17. 



Mantis shrimp, 144. 



Mantle of MoUusca, 198, 199, 210. 



Manx cat, 420. 



Marmoset, 450. 



Marmot, 446. 



Marsui.iialia, 440. 



Martens, 446. 



Maryland yellow-throat, 410. 



Maxillie, 4. 



May flies, 24, 26. 



Meadow grasshopper, 20. 



Meadow-lark, 406. 



Meal-beetles, 61. 



Mealy bugs, 24. 



Measuring worms, 35, 47. 



Meduste, 259. 



Melampus, 214. 



Membranes, 1. 



Mendel, 429. 



Mendel's law. 420. 



Metallic wood-borers, 70. 



Metamorphosis, 13 ; Amphibia, 343, 

 456; Coleoptera, 62 ; Diptera. -80 ; 

 Echinodermata, 249 ; Lepidoptera, 

 31 ; Tunicata, 292. 



Metridium, 273, 274, 275. 



Mice, domestication of, 428 ; food of, 

 431 ; habits of, 431 ; rapid distri- 

 bution of, 430. 



Microhydra, 266. 



Migration routes, of birds, 372 ; of 

 redstart, 373 ; study of, 370. 



Milk-snake, 365. 



Millipedes, 97, 100. 



Mimier\', 35. 37, 82. 



Minks, 446. 



