504 



lyDEX 



202 ; lizard, 354 ; reprodiK-tion, in 

 birds, 3S7 ; fish, 307 ; Mullusca, 

 204; lizard, 3.54. 



Ornithorhynchus, 439. 



Orthoptera, 13. 



Osmerus, 309. 



Ostracoda, 157. 



Ostrca, 237. 



("I^trcida-, 230, 236. 



Ostrich, 391. 



Otocvst of lobster, 127. 



Otter, 446. 



<J\"ipositor, 9, 57. 



Owlet moths, 45. 



Owls, 396. 



Oxen, 444. 



Oyster-crab, 143. 



Oyster-drill, 218. 



Oysters, 236. 



Paddlc-fish, 324. 



Pasuridie, 13S. 



Painted turtle, 364. 



Palasnionetes, 138. 



Pallene, 119. 



Palm-crab, 140. 



Pandonis, 41 . 



Panopcus, 142. 



Papilio, 40: ajax, 34; asterias, 40; 

 turiuis, 40. 



Paranitrcium, 280, 283, 2.S4, 2S0. 



Parapodia, 188. 



Parasitic Hymenoptera, 57 ; protista, 

 281 : vertebrates, 322 ; worms, 

 economic importance of, 195. 



Parrot, 397. 



Partlienogenetic, 158. 



Partridges, 394. 



Passenger pigeon, 395. 



Passeres, 402. 



Patella, 219. 



Pauropus, 101. 



Pearl-fishing. 235. 



Pearl mussels, 235. 



Pearl o>-sters, 235. 



Pearly nautilus, 221. 



Peccaries, 444. 



Pectcn, 236. 



Pcctinid;e, 230. 236. 



Pcdiccliiua, 177. 



Pcdipalps, 105. 



Pelican, 393. 



Pelopa?us, 52. 



Perch, 312. 



Pcrchers, 402. 



Peripatus, 101. 



Petrel, 393. 



Petron:l^■z<)n, 322. 



Pewee, 403. 



Phalangidea. 117. 



Pharynx, 295. 



Phascolosoma, 176. 



Phasmidie, 18. 



Pheasants, 394. 



Phoca, 447. 



Pha4x=, 403. 



Pholadida;, 230. 



Photuris, 71. 



PlirNiiosoma, 357. 



Ph\lum, 289. 



Physa, 215. 



Physalia, 271, 272. ^ 



Ph>'siological di^"ision of labor in 

 Crustacea, 151. 



Ph.\"sirilog\' of annelids. 161; Crus- 

 tacea, 120; Insecta, 1; MoUusca, 

 198. 



Pici. 400. 



Pickerel, 319. 



Pio-is, 40. 



Pigi-iins. domesticated, 425. 



Pigs, 444, 445. 



Pike, 319. 



Pinc-l:)orer, 71. 



Pineal gland, 356. 



Pipe-fish. 321. 



Pipidce. 345. 



Pithecanthropus, 450. 



Planaria, 191. 194. 



Planorbis. 215. 



Plant-eating H\-nienoptera, 59. 



Plant-lice, 24. 



Plastron, 363. 



Plethodon, 342. 



Plethodontida;. 342. 



Pleurobranch, 123. 



Pleuron, 123. 



Plovers, 393. 



Plumatella. 17s. 



Podobranch. 123. 



Pogonom>-rmcx, bb. 



Poisonous spiders, 113. 



Polistes, 51. 



Polychaeta, circulatory system in, 

 164 ; respiration in, 164 ; seden- 

 tary, 18,S. 



Polycirrus. 189. 



Polydesnnis, 100. 



Polvmorphism, 34. 



Polyp, 273, 275. 



Poh'phenuis moth, 43. 



Pond snail, 214. 



Porcupine, 446. 44s. 



Portuguese man-of-war. 271. 



