INDEX TO ZOOLOGY. 



Possum, the, 15. 



Potamohippus. 436. 



Potaraotheiium, 486. 



Potoroo, the, 413. 



Potto, the, 484. 



Poulpe, derivation of the Frencn term 



92. 

 Powei--C0(], the, 219. 

 Prtedones, 170. 

 Prairie dog, the, 469, 470. 

 Prairie hen, the, 376. 

 Pratincoles, the, 378. 

 Presbytis, 497. 

 Priocera, 156. 

 Priodon, 4U7. 

 Prionidie, IGl. 

 Prionodun obscurus, 241. 

 Priunotus, 222. 

 Priorius, 162. 

 Pristidini, 242. 

 Pristis, 242, 243. , 



Pristiurus, 241. 

 Proboscidea, 15. 

 Proboscidians, the, 438. 

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



cellaridae, 388. 

 Proctotrupid:e, 172. 

 Procyon, 483. 

 Procyonidse, 483. 

 Progiie purpurea, 317. 

 Prosimi;t', 493. 

 Proteles, 490. 



Proteus, a genus of infusoria, descrip- 

 tion of the, 18; proteus diffluens, 



24 ; P. anguinus, 251. 

 Protoeha>rus, 440. 

 Protopitheciis, 495. 

 Piotojiteri, 205. 

 Piotopterus annectens. 239. 

 Protozoa, a name sometimes given to 



infusoria, 18. 

 Psammoinys, 464. 

 Psammopliis flagelliformis, 270. 

 Pselaphidse, 162. 

 PsRliiphides, 155. 

 Pr^eudocarcinas gigas, 118. 

 Pseudochirus, 415. » 



Pseudodon, the, of Oould, 70. 

 Pseudopua, 274. 

 Pseudostoma bursarius and talpoidea, 



468. 

 Pseudotriton, 255. 

 Psittaeidie, 361. 

 Psittaciniv, 302. 

 Psittacus, 15 ; P. eiythacus, &c., 362, 



3G3. 

 Psocidre, 166, 167. 

 Psophia crepitans, 379; psophina}, 



ib. 

 Psophodes crepitans, 331. 

 Psych oda, 193. 

 Psyllidsp, 186. 

 Ptarmigans, the, 376. 

 Pterocera, 87. 

 Pteroules bicinctus and alchata, 376; 



pteroclinEB, ib. 

 Pterodactyl us, 284. 

 Pterodon, 419. 

 Pteroglossus araeari, 361. 

 Pteromys, 278 ; P. volucella, 468. 

 PterophoridiP, 179 ; pterophorus pen- 



tadactylus, ib. 

 Pteropoda, 11, 77. 

 PteropodidiB, 479 ; pteropus, 15 ; P. 



vulgaris, ib. 

 Pterosaurii, 284. 

 Pterosomids, 78. 

 Pterolracheiditj, 78. 

 Ptilonopus, 368. 

 PlilonorhynchinoB, 353; ptilonorhyn- 



chus nitens, &c., ib. 

 Ptilota, the, or winged insects, of Aris- 

 totle, 95. 131. 

 Ptinid*, 158. 

 Ptychopleures, 274. 

 Ptyodactyla, 281. 

 Plyodactylus, 14. 

 Puff-birds, the, 323, 

 Puffin, the, 387. 

 Pulex, 13; P. irritans and penetrans, 



148. 

 Pulmonaria, 12, 120. 

 Pulmonata, 10. 

 Pulmoniirradii, 28,30. 

 Puma, the, 491. 

 Pumpkin-seed, 221. 



950 



Pupa state of insects, general obsci"- 1 

 vations on the, 134, 135 ; exter- 

 nal appearance of the pup», 135. 



Piipipara, 196. 



Pupivora, 170. 



Purpura lapillus, 86. 



Purpurida;, 86, 



Putorius, 485. 



Pycnodontes, 235. 



Pycnogonidie, 121 ; pycnogonum, 113, 

 120, 121. 



Pyosionolina>, 344. 



S'ycnonotus jocosus, 344. 



Pygcera b\icephala, 181. 



Pygmeodon, 430. 



Pyralida;. 180. 



Pyramidella, 86. 



Pyramidellidie, 86. 



Pyranga rubra, &;c., 356. 



Pyrgoma, 102. 



Pyrochroa, 159. 



Pyrochroidae, 159. 



Pyroderus sciitatus, 352. 



Pyrosoma, 55. 



Pyrrliocoracinae, 353; pyrrhocorax al- 

 pinus. ib. 



Pyrrhocoris aptenis, 189. 



Pvrrhula europea, 359 ; pyrrhulinse, 

 '358. 



Python, 269. 



Pyxis, 287. 



Quadrumana, l.i, 491. 



Quails, the, 375. 



Querula rubricollis and militaris, 



344. 

 Querulinae, 344. 

 Quiscalinae, 354 ; quiscalus versicolor, 



&c., ib. 



Rabbits, the, 456. 



Racers, a species of snake so called, 

 2C9. 



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 Echinodermata, 

 ib. 



Rafinesque, the genus loucosilla in- 

 stituted by, 70. 



Raia, 243. 



Raiada?, 240. 242. 



Rails, the, 383. 



Rajini, 243. 



Rallidie, 383. 



Rail us, 15; R. aquaticus, crex, &c., 

 383. 



Ramphastidae, 361. 



Rainphastos erythrorhynchus, &c., 

 361. 



Rana. 14, 258. 



Runatra linearis, 187. 



Ranidie, 2.57. 



Raninn, 115. 



Raninidas, 115. 



Rapliidia, 168. 



Raphidiidre, 168. 



Raptores, 293. 



Rasores, 294. 



Rat-kangaroo, the, 413. 



Ratel, the, 484. 



Ratelus, 484. 



Rats, the, 461-465, 468. 



Rattlesnake, the, 266. 



Ravens, the, 351. 



Rays, the, 240. 



Recurvirostra avoeetta, &c., 351; re- 

 curvirostrina", ib. 



Red-birds, the, 350. 



Red-fish, the, 224 



Redstarts, the, 337 ; the American, 

 346. 



Reduviida?, 188. 



Redwing, the, 342. 



Regulus auricapillus, 337. 



Reindeer, the, 450. 



Reithrodon. 464. 



Reptiles, chief characteristics and or- 

 ders of, 14. 



Reptilia, chief characteristics and 

 orders 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 differenc's 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; rhinocerotidse, 436, 

 437. 



Rhinodontini, 242. 



Rhinolophus ferrum equiuum, 477. 



Rhinopoma, 478. 



Rhinoptera, 243. 



Rhipiptera, 143, 189. 



Rhizudontes, 282. 



Rhizomys, 464. 



Rhizopoda, 75. 



Rhizotrogus, 157. 



Rhombus maximus and vulgaris, 

 220. 



Rhopalocera, 179, 183. 



Rhvucholites, the fossils so called, 

 95. 



Rhynchosaurus, 282. 



Rhynchota. 184, 185. 



Ringdove, the, 368. 



Riparii, 188. 



Robin, the American, or common mi- 

 gratory thrush, 342. 



Robins, the, 337. 



Rock-fish, the, 221. 



Rodentia, 15, 455. 



Roebuck, the, 449. 



Rollers, the, 321. 



Rondeletius, author of a woi-k on 

 ichthyology, 2. 



Rook, the, 352. 



Rorqual, the, 421. 



Rose flsh, the, 223. 



Rostellajia rectirostris, 87. 



Rostramus hamatus, 306. 



Roslrati, 235. 



Rot, the, in sheep, caused by a species 

 of trL'matoda, 46. 



Rotatoria, 104. 



Rotifer vulsaris, 2j. 



Rotifera, 9, 104. 



Roussetles, the, 479. 



Ruffe, the, 222. 



Ruminantia, 15. 445. 



Runners, the, 378. 



Rupicapi-a, 452. 



Rupicola aurantia, 347, 



Rulelidae, 156. 



Rypophaga, 154, 155. 



Ryti.ia, 432. 



RytinidiB, 432. 



Ryzaiua, 487. 



Sabella, 101. 



t^able, the, 485. 



Saccomyina, 461. 



Saccomys, 461, 462. 



Saddleback, the, or black-backed gull, 

 389. 



Sagridae, 162. 



Sajous, the, or sapajous, 495. 



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



Salamandra, 14, 253, 256; salaman- 

 drinw, 261. 



Salda, 188. 



Salmo, 21 1 ; salraonidse, ib. ; salmo salar 

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

 thystus, conflnis, ajid siskewit, 

 212. 



Salmon, the, 211, 212, 221. 



Salpa, 10, 55. 



Salpingidas 159. 



Salt water trovjt, the, or weak flsh, 

 223. 



Salticin*, 128; salticus formicarius, 

 129. 



Salvator, 276. 



Salviani, author of a work on ichthyo- 

 logy, 2. 



