INDEX TO ZOOLOOY. 



Possum, the, 15. 



Potamohippus, 436. 



Potamothfiium, 486. 



Potoroo, llie, 41U. 



Potlo, the, 484. 



Poulpe, derivation of the Frencli terra, 



92. 

 Power-cod, the^219. 

 Pra'dones, 170. 

 Pniirie dog, the, 469, 470. 

 Prnirie hen, the, 376. 

 Pratincoles, the, 378. 

 Presbytis, 497. 

 Priocera, 156. 

 Priodon, 407. 

 PrionidjB, 161. 

 Prionudon obscurus, 241. 

 Priunotus, 222. 

 Prionus, 162. 

 Pristidini, 242. 

 Pristis, 242, 243. 

 Pristiiiriis, 241. 

 Prol)i)Scide;i, 15. 

 Proboscidians, the, 438. 

 Procellaria, 15 ; P. capcnais, 389 ; pro- 



cellaridie, 388. 

 Proctotrupiihe, 172. 

 Procyon, 483. 

 I'rocyonidH', 483. 

 J'roi^ne purpurea, 317. 

 Pro8iinia% 493. 

 Proteles, 490. 

 Proteus, a genus of infusoria, desciip- 



tion of the, 18; proteus difllueus, 



24 ; P. anguinus, 251. 

 Protochierus, 440. 

 Protopitheciis, 495. 

 Piolopteri, 205. 

 I'rolopttM'us aniiectens, 239. 

 Protozoa, a name sometimes given to 



infusoria, 18. 

 Psaramomys, 464. 

 Psammophis llagelliformis, 270. 

 Psela|ihidii', 162. 

 I'selaphidcs, 155. 

 P.-ieudoearcinas gigas, 118. 

 Pseudochirus, 415. 

 Pseudodon, the, of (lould, 70. 

 Pseudopus. 274. 

 PseudoStoma bursarius and talpoidea, 



468. 

 Pseudotriton. 255. 

 Psittacida', 361. 

 PsiHacinu', 362. 

 Psittacus, 15 ; P. crvlhacus, &.C., 362, 



363. 

 Psocida;, 166, 167. 

 Psophia crepitans, 379 ; psophimp, 



ib. 

 Psophodes crepitans, 331. 

 Psych oda, 193. 

 Psyllidip, 186. 

 Ptarmigans, the, 376. 

 Pterocera, 87. 

 Pterocles bicinctus and alchata, 376; 



pleroclina;, ib. 

 Pterodaclylus, 284. 

 Pterodon, 419. 

 Pteroglossus aracari, 361. 

 Pteromys, 278 ; P. volucella, 408. 

 Pterophoridse, 179 ; pterophorus pen- 



tadactylus, ib. 

 Pteropoda, 11, 77. 

 Pteropodiclse, 479 ; pteropus, 15 ; P. 



vulgaris, ib. 

 Pterosaurii, 284. 

 Pterosomida?, 78. 

 Pteroiracheid*, 78. 

 Ptilonopus, 368. 

 Plilonorhynchinae, 353; ptilonorhyn- 



chus nitens, &c., ib. 

 Ptilota, tlie, or winged insects, of Aris- 

 totle, 95. 131. 

 PtinidcP, 158. 

 Ptychopleures, 274. 

 Ptyodactyla, 281. 

 Ptyodactylus, 14. 

 Puff-birds, the, 323. 

 Puffin, the, 387. 

 Pulex, 13; P. irritans and penetrans, 



148. 

 Pulmonaria, 12, 120. 

 Pulmonata, 10. 

 Pulmonigrada, 28,30. 

 Puma, the, 491. 

 Pumpkin-seed, 221. 

 950 



Pupa state of insects, general obser- 

 vations on tlie, 134, 135 ; exter- 

 nal appearance of the pupae, 135. 



Pupipara, 196. 



Pupivora, 170. 



Purpura lapillus, 86. 



Purpuridae, 86. 



Putorius, 485. 



Pycnodontes, 235. 



Pycnogonid«, 121 ; pycnogonum, 113, 

 120, 121. 



Pycnonotina', 344. 



Pycnonotusjocosus, 344. 



Pygwra bucephala, 181. 



Pvgmeodon, 430. 



Pyralid*. 180. 



Pyramidella, 86. 



Pyramidellidw, 86. 



Pyranga rubra, &c., 356. 



Pyrgoma. 102. 



Pyrochroa. 159. 



Pyrochroid», 159. 



Pyroderus scutatus, 352. 



Pyrosoina, 55. 



Pyrrhocoraciu», 353; pyrrhocorax al- 

 pinus. ib. 



Pyrrhocoris npterus, 189. 



Pvrrhulu europea, 359; pyrrhulinüB, 

 "358. 



Python, 269. 



Pyxis, 287. 



Quadrumana, 1.5,491. 



(Quails, the, 375. ^ 



Querula rubricollis and mihtaris, 



344. 

 Querulina», 344. 

 Uuiscaliua-, 354 ; quiscalus versicolor, 



&c., ib. 



Rabbits, the, 456. 



Racers, a species of snake so called, 



. 269. _ 



Racoons, the, 483. • 



Radiata, the, why so called, 8 ; brief 

 summary of the classes included 

 under, 9, 10; all forms in which 

 radiated structure is evident in- 

 cluded under, 25 ; included by 

 Cuvier under the zoophyta, ib. ; 

 divided into three classes— Colente- 

 rata, Zoophyta, and Echinodermala, 

 ib. 



Radnesque, the genus loncosilla in- 

 stituted by, 70. 



Raia, 243. 



Raiadie, 240, 242. 



Rails, the, 383. 



Rajini. 243. 



Rallidie, 383. 



Rallus, 15; R. aquaticus, crex, &c., 

 383. 



Ramphastida;, 361. 



Ramphastos erythrorhvnchus, &c., 

 361. 



Rana, 14, 258. 



Ranatra linearis, 187. 



Ranida-, 257. 



Rimina, 115. 



Raninid<e, 115. 



Raphidia, 168. 



Raphidiidse. 168. 



Raptores, 293. 



Rasores, 294. 



Rat-kangaroo, the, 413. 



Ralel, the, 484. 



Ratelus, 484. 



Rats, the, 461-465, 468. 



Rattlesnake, the, 266. 



Ravens, the, 351. 



Rays, the, 240. 



Recurvirostra avocetta, &c., 351 ; re- 

 curvirostrina;, ib. 



Red-birds, the, 356. 



Red-fish, the, 224 



Redstarts, the, 337; the American, 

 346. 



Reduviid;B, 188. 



Redwing, the, 342. 



Regulus auricapillus, 337. 



Reindeer, the, 450. 



Reithrodon. 464. 



Reptiles, chief characteristics and or- 

 ders of, 14. 



Reptilia, chief characteristics and 

 ordeis of, 14; circulation of the 



blood in, 244; respiration of, ib.; 

 effect of temperature on, 245 ; rudi- 

 mentary limbs of, ib. ; particulars 

 respecting the anatomical structure 

 of, 245-247; hybernation of, 248 

 fecundity of, ib.; distinguishing fea 

 tures of the reptilia nuda, 249 

 principal differences between the 

 reptilia nuda and the reptilia squa- 

 mata, 261, 262. 



Republican swallow, the, curious fea- 

 ture in the history of, 318. 



Retepora, 54. 



Reticulata, 109. 



Rhea americana and darwinii, 377. 



Rhinatrema, 261. 



Rhincophora, 160. 



Rhinobatini, 242. 



Rhinoceros, 436; rhinocerotidae, 436, 

 437. 



Rhinodontini, 242. 



Rhinolophus ferrum equinum, 477. 



Rhinopoma, 478. 



Rhinoi)tera, 243. 



Rhipiptera, 143, 189. 



Rhizodontes, 282. 



Rhizomys, 464. 



Rhizopoda, 75. 



Rhizotrogus, 157. 



Rhombus maximus and vulgaris, 

 220. 



Rhopaloceru, 179, 183. 



Rhyncholites, the fossils so called, 

 95. 



Rhynchosaurus, 282. 



Rhvnchota. 184, 185. 



Ringdove, the, 368. 



Riparii, 188. 



Robin, the American, or common mi- 

 gratory thrush, 342. 



Robins, the, 337. 



Rock-fish, the, 221. 



Rodentia, 1.5, 455. 



Roebuck, the, 449. 



Rollers, the, 321. 



Rondeletius, author of a work on 

 ichthyology, 2. 



Rook, the, 352. 



Rorqual, the, 421. 



Eose fish, the, 223. 



Rostellaria rectirostris, 87. 



Rostramus hamatus, 306. 



Rostrati, 235. 



Rot, the, in sheep, ca'ised by a species 

 of trematoda, 46. 



Rotatoria, 104. 



Rotifer vulgaris, ?j. 



Rotifera, 9,^104. 



Roussettes, the, 479. 



Ruffe, the, 222. 



Ruminantia, 15, 445. 



Runners, the, 378. 



Rupicapra, 452. 



Rupicola aurantia, 347. 



RutelidiP, 156. 



Rypophaga, 1.54, 155. 



Rytina, 432. 



Rytinidw, 432. 



Ryzfena, 487. 



Sabella, 101. 



eable, the, 485. 



Saccomyina, 461. 



Saccomys, 4i61, 462. 



Saddleback, the, or black-backed gull, 

 389. 



Sagrida>, 162. 



Sajous, the, or sapajous, 495. 



Salamander, the, 250, 252, 253, 256. 



Salamandia, 14, 253, 256 ; salaman- 

 drin<e, 261. 



Salda, 188. 



Salmo, 211; salmonida-, ib ; salmo salar 

 and fario, ib. ; S. fontinalis, arae- 

 thystus; confinis, and siskewit, 

 212. 



Salmon, the, 211, 212, 221. 



Salpa, 10, 55. 



Salpingida', 159. 



Salt water trout, the, or weak fish, 

 223. 



Salticinae, 128; salticus formicarius, 

 129. 



Salvator, 276. 



Salviani, author of a work on ichthyo- 

 logy, 2. 



