INDEX. 



66g 



282 ; lophophore of, 284 ; nervous system 

 of, 284; digestive system of, 284; repro- 

 duction of,2S5; Btatoblasts of,285 ; deveU 

 opmest of, 286 ; relations to Tunicata, 

 291 ; divisions of, 286 ; orders of, 2S6 ; dis- 

 tribution of, in space, 207; in time, 21)8. 



Polyzoarium, 280. 



i'ontarachna, 241.' 



PontijideUa, 191, 198. 



Porambonites, 296. 



PareeUana^ 231. 



Porcellanous sliells, 277. 



Porcellia, 337. 



Porcupine, 621, 688, 689. 



Pores of Sponges, 64, 65. 



Pontes, 138. 



Poritidce, 140. 



Porpoise, 544, 649, 560. 



Portuguese man-of-war, SO, 93, 97, 98, 99. 



PotttTnides, 317. 



Poulpe, 326, 328. 



Praya, 95, 



PrayidoR, 96. 



PressirostreSy 481, 483. 



Prestwichia, 234. 



Priapulacea, 187. 



Primates, 692. 



Primnoa, 129. 



Pristis, 399. 



Proioscidea, 522, 625 ; diameters of, 669 ; 

 distiibution of, in time, 615, 616. 



Proboscis, of Medusm, 101 ; of CrinoMea, 

 166, 159; of Planarida, 173; of A can- 

 tlwcephala, 176; ot Gephyrea, 186; of 

 Errantia, 196; ot Lepidoptera, Vol; of 

 Proboscidea, 670. 



ProcellaridtB, 477. 



Prochilus, 878. 



Procoelia (Croeodilia), 443, Hi. 



Proeyon, 579. 



Producta, 297. 



Produetidce, 297, 29S. 



Proglottis, 167, 170. 



Pro-legs, 266. 



Promeropidce, 499. 



Pro-ostracura, 329, 330. 



Propodite, 204. 



Propodium, 309. . 



Proseolex, 168, 170. 



Prosimux, 60O. 



Progobranchtata,SlS; divisionsof, 313,317. 



Prosoma, 322, 831. 



Prosoponiscus, 2?A. 



Prostomium, of Planarida, 173 ; of Anne- 

 lides, 183. 



Prdtaster, 164. 



Protdes, 682. 



Proteolepas, 215. 



Protcm, 410, 411. 



Proteus-animalcule, 48. 



Protliorax, 249. 



Piotoplasm, 5. 



I'rotopoditc, 204. 



Prolopteri, 359 (see Dipnoi). 



Protornis, 507. 



Protovirrrularia, ISO. ..rAA^'- 



Protozoa, 14; general cliaraoters of, 44, io, 

 classincation of, 45, 46. 



Proventriculus, of EartUwonn, 191, of 

 Birds, 465. 



Proximal, 81. 



Psammohia, 307. 



Psendenibryo, 144. 

 Pseudobranehia, 393. 

 Pseudoha^mal system, 188. 

 Pseudo-hearts, 294. 

 Pseudonavicellae, 47. 

 Fseudopodia, 45, 48, 49, 51, 54, 61, OS. 

 Pseudopus, 436. 

 Psevdoecorpionidce, 241. 

 PsiUaeidae, 493, 494. 

 Psittactts, 494. 

 Psoliu, 165. 

 Psorospermice, 48. 

 Ptarmigan, 489. 

 Pteratpis, 386, 402, 403. 

 Pteriehthys, 386, 392, 393, 403. 

 P(eroceras, 317. 

 Pterodactyles, 449, 460. 

 Pteromys, 591. 

 PteropMce, 695. . 



Pteropoda, 300, 308, 311 ; general char- 

 acters of, 320 ; foot of, 320 ; shell of, 320 ; 

 divisions of, 321 ; distribution of, in 

 space, 321 ; in time, 3'i7. 

 Pteropiis, 595. 

 Pterosauria, 423 ; general characters of, 



440 ; distribution uf, iu time, 450. 

 Pterygotus, 223, 234. 

 Ptilodictya, 298. 



Ptilop apsas, 113. 

 Ptilcpora, 298. 



Ptychoceras, 3S3, 338. 



Pukx, 264. 



Pulicidce, 264. 



Pulmogasteropoda, 310, 313, 316. 



Pultiumaria {Arachnida), 238, 241. 



Pulmonifera (MoUusea), 313, 316. 



Puma, 686. 



Pupa, 264, 255, SSe. 



Pupa, 319, 337. 



Pupina, 319. 



Pupipara, 264. 



Purples, of Wheat, 179. 



Puipura, 317. 



Putorius, 680. 



Pycnofjonum, 239. 



Pygidium, 219, 220, 221. 



Pyramiiklla, 317. 



Pyramidellidce, 313, 317. 



Pyrgita, 498. 



Pyrosonidce, 292. 



Pyrrhula, 498. 



Pyrula, 317. 



Python, 421, 433. 



Quadrate Bone, 352, 860. 



Quadrumana, 513, 614, 516, 622, 62(1; 

 characters of, 598; sections of, 598, 

 599 ; distribution of, in time, 617. 



Quagga, 655. 



Babbit, 588. 



Racoon, 679. 



Hadiata, 78. 



Eadiolaria, 40 ; cliaraoters of, 63. 



iiottiolites, 306. 



Jiaia, S9S. 



RalUdoe, 481. 



/inlZus, 481. 



Jiamphorhynolius, 449, 450. 



iJajlff., 414, 416, 417. 



Jianidai, 416, 417. 



iianiiia, 232. 



