604 



INDEX 



Lice, 287, 288. 



Life, characteristics of, 16, 542. 

 continuity of, 549. 

 definition of, 1. 

 origin of, 547. 

 processes of, 2. 

 Life-history, of Acarina, 269. 

 of Acalephse, 186. 

 of Aurelia, 187. 

 of Entamoeba, 144, 146. 

 of frog, 23. 

 of insects, 282, 

 of lancelet, 482. 

 of liver fluke, 204, 206. 

 of malaria parasite, 151, 152.. 

 of Monocystis, 126, 127. 

 of Nematoda, 300., 

 of Nereis, 234. . 

 of Obelia, 178. 

 of Opalina, 159. 

 of sea-anemone, 186. 

 of swan mussel, 324. 

 of tapeworms, 210,, 2,1 2. 

 of Trypanosoma, 148. 

 See also Reproduction, (Develop- 

 ment, Embryplogy, 

 Ligament, ethomopalatine,,, 347. , 

 falciform, 442. 

 postspiracular, 347. 

 Ligaments, 41.. 

 Ligula, of cockroach, 274, 

 Limbs, of Annelida. See. Eara- 

 podia. 

 of Arthropoda. See Appen- 

 dages, 

 of backboned animals, 343. 

 fore, of dogfish, 341. 

 of frog, 24, 434. 

 of man, 434, 475. 

 of pigeon, 397, 400. 

 of rabbit, 419. 

 hind, of dogfish,, 34 1. 

 of frog, 25. 

 of pigeon, 397. 

 of rabbit, 419. 

 pentadactyle. See Pentadaetyle 

 limbs. 

 Linin, 85, 104. 

 Liver fluke. See Fluke. 

 Liver, functions of, ,50. 

 of Amphioxus, 235. 



Liver — 



of crayfish. 5i;«Hepato-pancreas. 



of dogfish,, 354. 



of frog, 48, 50. 



of pigeon, 411. 



of rabbit, 442. 

 Living and lifeless things, 541.. 

 Lizard, the, 578. 

 Lizards, 385, 392. 

 Lower-jaw. See Mandible. 

 Lower organisms, 1 8. 

 Lugworm (Arenicola), 238. 

 Lumbricus hcrculeus, 215. See-. 



Earthworm. 

 Lung-fishes, 377. 

 Lungs, 3. 



of frog, 61. 



of pigeon, 411. 



of rabbit, 444. 

 Lymph, 26, 60. 



Macrophages, 100. 

 Malaria parasite, 151. 

 Male, 10, 198. 

 / gamete. See Gametes, 

 fttammalia, 374, 459, 519. 



classification of, 459-473, 519. 

 development of, 508. 

 Man, 474. 

 arm of, 434. 

 blood of, 99, 104. 

 consciousness in, 79. 

 Mandible of bee, 282. 

 of cockroach, 273. 

 of crayfish, 244, 249, 253. 

 of dogfish, 347. 

 of frog, 35. 

 of lizard, 580. 

 of pigeon, 407. 

 of rabbit, 431. 

 of whiting, 577. 

 Mandibular arch. See Arches,. 



Visceral, 

 i Mantle, of mussel, 312. 

 (Manubrium, of Medusa, 176; 



sterni, 427. 

 , Marsupialia, 460, 519. 

 ' Maw. See Stomach. 

 Maxillse, of cockroach, 274. 

 of crayfish, 245, 247. 

 of Vertebrata. See Bone, Skull, 



