454 



ANIMAL STUDIES 



Icerya pwfha&i^ 288 (illua.), 307. 



Ichneumon fly ( illus.), 843, 844. 



Icterida, 231. 



Indo-^Lfrican realm, 448. 



Infusoria, 25. 



Insecta, 110. 



Insectivora, 242. 



Insect destruction, amount of, 414. 



Insect galls on leaf (illus.), 309. 



Insect ravages, prevention of, 414. 



Insects, 130 ; external features, ISO, 

 133 ; internal anatomy, 131 ; res- 

 piratory system, 133; communal, 

 323 ; parasitic, 341 ; beneficial, 415. 



Instinct and reason, 387. 



Instincts, 389 ; classification of, 390; 

 variability of, 398. 



Ipnops, 447. 



Irritability, 387. 



Island faunae, 43a 



Isopods(illus.),121. 



Itch-mite (illus.), 148. 



Jack-rabbits (illus.), 18. 



Jelly-fish, 47 (illus.), 48, 52; complex 



types of, 49 ; simple eye of (illus. ), 



385. 



Kallima,S57 (illus.), 219. 

 Kangaroos, 239 (illus. ), 304. 

 Katydids, 133. 

 Kelp-crab (illus.), 120. 

 King-crab, 149. 

 Kingfishers, 227. 



Lady-bird beetles (illus.), 861. 



Lamellibranchs, 89 ; sense organs of, 

 101, 103. 



Lamellirostres, 221. 



Lampreys, 164, 167 (illus.), 168. 



Lampropeltis osceola, 268. 



Lamp-shells (illus., 86), 87. 



Lanoelets, 164, 166. 



Lasiurus borealis, 242. 



Laws of distribution, 437. 



Leaf-eating beetle, antenna of (il- 

 lus.), 377. 



Leeches, 80; haunts and habits of, 



at 



Lemur, 444; L. varius, 441 



Lemurian realm, 444. 



Lepas (illus.), 115,346. 



Lepidoptera, 141. 



Lepomis megalotis (illus.),. 176, 



Leporidae, 17. 



Leptoplana (illus.), 60. 



Lerema accius, 436. 



Libellula pulchella (illus.), 135. 



Life cycle, birth, growth and devel- 

 opment, and death, 254. 



Light thrown on zoology by paleon- 

 tology, 430. 



Limicolae, 223. 



Limulus polyphemtts (illus.), 149. 



Littoral group, 447. 



Living organic matter, 3. 



Lizards, 193, 199; dissection of d 

 (illus.), 204. 



Lizzia kcellikeri (illus.), 385. 



Lobsters, 116. 



Locomotion, power of, 2. 



Locusts (illus.), 16. 



Long-eared sunfish (illus.), 176. 



Long- horned borer (illus.), 140. 



Longipennes, 219. 



Loons, 217. 



Lophius piscatorius, 364. 



Lophortyx californicus (illus.), 224. 



Lumbricus terrestris (illus.), 72, 73. 



Lung-fishes, 170. 



Lycosidte, 306. 



Lymncpus (illus.), 257. 



Lynxcanadensis, 248; L. rw/w,248. 



Macacus, 250. 



Machrochires, 229. 



Macrobdella (illus.), 80. 



Macropus giganteus, 240 ; M. rufta 

 (illus.), 304. 



Mad torn (illus.), 298 



Malacostraca, 110, 115. 



Male elk (illus.), 313. 



Mammals, four odd-toed (illus.), 15 J 

 general characteristics of, 232 ; 

 skeleton, 233; digestive system, 

 233 ; nervous system and sense 

 organs, 234 ; mental qualities, 235 ; 

 classification, 235 ; insect-eating'. 



