INDEX. 



66y 



Otwria, 57(1. 



Otidce, 484. 



Otter, 6S0, 581. 



Oudenodon, lis. 



Ovarian vesiulcd, oi Str^iihridi, 91. 



Ovibos, 568. 



OvidcBt 567. 



Ovipositor, 250, 268. 



Ovis, 567. 



Ovulum, 317. 



Owls, 502, 



Oxen, 561, 567, 568, 615, 



Oxyuris, 177. 



Faca, 588. 



Packydennata, 551. 



Paddle-flsh, 392. 



Paguridoe, 231. 



Patceaater, 164. 



Palcechinus, 150, 164. 



PaloBichthyes, 402. 



Palceocoryne, 113. 



Paljeofirinoids, 159. 



Palmodiscus, 1G4. 



PalceophiSy 434. 



PalcBospongia, 68. 



PaZcBoiAentim, 555, 6T3. 



PalcBotringa^ 507. 



Palamedea, 481. 



Palapteryx, 507. 



Pali (Corals), 120. 



Pallial line, 302, 303, 304. 



Pallial sinus, S04. 



PalliobraTichiata, 2P2. 



PaZ^ium (see Mantlo). 



Paludicella, 284. 



Paludicellea, 286. 



Paludina, 318. 



Paludinidce, 314, 318. 



Paiwdomu*, 317. 



Palythoa, 122. 



PaTTtphagus, 52. 



Pangolin, 541. 



Pa/nopcea, 3u7. 



Panspermy, 37. 



Panfopoda, 239. 



Paper Nautilus, 322, 328, 328. 



Papio, 604, 



Paradiseidce, 497. 



Paradoxurus^ 579, 



Faramoeeium, 38, 70; structure of, 71, 



72 ; reproductif'U of, 72. 

 Paranmincea, 129. 

 Parapodia, 188. 

 Parince^ 498, 499. 

 Parkeria, 59. 

 Parmacella, 319. 

 Parmaphorus, 318. 

 Parra, 481. . 

 Parrakeets, 494. 

 Parrots, 494. 

 Parthenogenesis, 31-34; of Ostracoda, 216; 



of Insects, 32, 33. 

 Passeres, 495. 



Patagium, 449, 450, 392, 593. 

 Patella, 311, 318. 

 Patellidce, 314, 318. 

 Pauropo<m, 247. 

 PauTopus, 245, 246, 247. 

 Pauo, 489. 

 pavonaria, 127. 

 PavonincB, 189. 



Peachia, 117, 133. 



Pearly Nautilus, 322, 323, 326, 327, 330, 331, 



334. 

 Peccary, 557, 618. 

 Pecten, 3U5, 306. 

 Pectinaria, 194. 

 Peciuncuius, 306. 

 Pedetes, 591. 

 Pedicel laripe, 146, 151. 

 JPedicellina, 284. 

 Pedicellinea, 286. 

 Pediculus, 258. 

 Pedipalpi, 241, 242. 

 Pelagia, 105, 110. 



Pelagidce, 104, 105; structure of genera- 

 tive zoijids of, 108. 

 Pelias, 432. 

 PeZicamdcB, 478. 

 Pelonaia, 277. 



Pen, of Cuttle-fishes, 326, 329. 

 Pe?i«iw, 228. 

 Penguin, 475, 476. 

 Peniculus, 209. 

 Pennatula, 126, 127. 

 Pennatulidce, 125, 126, 135; distribution 



of, in time, 139. 

 Pentacerotidce, 153. 

 Pentacrinus, 155, 157, 163. 

 Pentamera (Coleoptera), 273. 

 Pe7i(a7?ienw, 296. 

 Pentastomida, 239. 

 Pentatoma, 259. 

 Pentremites, 160, 163. 

 Peramelidce, 531. 

 Perchers, 495. 

 Pereidce, 387. 

 Perdicidce, 489. 

 Perdix, 489. 

 PerermibrcmcMata (Amphibia), 406, 407, 



408, 410, 411. 

 Per/ora((i(2^oramin^era), 53, 56; (Corals), 



123, 139, 140. 

 Pericardium, of Crustacea, 201, 207; of 



Nautilus, 332. 

 Periderm, 90. 

 Peridinvwm, 76. 



Perigastric space, of Polyzoa^ 284. 

 Periostracuni, 278. 

 PerischoechinidcB, 164. 

 Perissodactyla, 552, 653. 

 Peristome, of ForficeZZa, 73; of the shell 



of Gasteropoda, 312. 

 Peristomial space of .4c!m/a, 117. 

 Peritoneum (yiiw-tcata), 2Stf. 

 Perivisceral space, of .4c(mozoa, lia, 

 Perna, 304. 

 Petaurus, 534. 

 Petraster, 164. 

 Petrogale, 533. 

 Petrorevyzon, 380. 

 PetromyzonidcB, 378, 380. 

 PetromffngiadoR, 68. 

 Pezophaps, 492, 508. 

 PegoporinoB, 494. 

 Phacochcerus, 557. 

 Pkceniooptervdce, 479. 

 PAiasTiicoptenis, 479. 

 Phaeton, 478. 

 Phalacrocorax, 478, 

 Phalangers, 534. 

 Phalangidce, 241. 

 Phalangiatidx, 034. 



