454 



ANIMAL STUDIES 



leery a purchasi, 288 ( illus.), 307. 



Ichneumon fly ( illus.), 343, 344. 



Icteridce, 231. 



Indo- African realm, 443. 



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, 

 183; 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, 438. 



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. 



57 (illus.), 219. 

 Kangaroos, 239 (illus.), 304. 

 Katydids, 133. 

 Kelp-crab (illus.), 120. 

 King-crab, 149. 

 Kingfishers, 227. 



Lady-bird beetles (illus.), 361. 

 Lamellibranchs, 89 ; sense organs of, 



101, 103. 



Lamellirostres. 221. 

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

 Lampropeltis osceola, 268. 

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

 Lancelots, 164, 166. 

 Lasiurus borealis, 242. 

 Laws of distribution, 437. 

 Leaf-eating beetle, antenna of (il- 



lus.), 377. 

 Leeches, 80; haunts and habits of, 



81. 



Lemur, 444 ; L. variu*. 444. 



Lemurian realm, 444. 



Lepas (illus.), 115,346. 



Lepidoptera, 141. 



Lepomis megalotis (illus.), 176. 



Leporidae, 17. 



Leptoplana (illus.), 60. 



Lerema accius, 436. 



Libedula pulchella (illus.), 135. 



Life cycle, birth, growth and devel- 

 opment, and death, 254. 



Light thrown on zoology by paleon- 

 tology, 430. 



Limicolse, 223. 



Llmulus polyphemus (illus.), 149. 



Littoral group, 447. 



Living organic matter, 3. 



Lizards, 193, 199; dissection of a 

 (illus.), 204. 



Lizzia kcellikeri (illus.), 385. 



Lobsters, 116. 



Locomotion, power of, 2. 



Locusts (illus.), 16. 



Long-eared sunfish (illus.), 176. 



Long-horned borer iillus. ), 140. 



Longipennes, 219. 



Loons, 217. 



Lophius piscatorius, 364. 



Lophortyx calij'ornicus (illus.), 224. 



Lumbricus terrestris (illus.), 72, 73. 



Lung-fishes, 170. 



Lycosidff, 306. 



Lymncpus (illus.), 257. 



Lynxcanadensis, 248 ; L. rufus, 248. 



Afacacus, 250. 



Machrochires, 229. 



Macrobdella (illus.), 80. 



Macropus gigantcus, 240 ; M. rufus 

 (illus.), 304. 



Mad torn (illus.), 298 



Malacostraca, 110, 115. 



Male elk (illus.), 313. 



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

 general characteristics of, 232 ; 

 skeleton, 233; digestive system, 

 233 ; nervous system and sense 

 organs, 234 ; mental qualities, 235 ; 

 classification, 235 ; insect-eating, 



