INDEX, 
Perchers, 24, 289, 300. 
Percidce, 22, 229, 230, 242. 
Perdicide, 297, 
Perdix, 297. 
Perennibranchiata (Amphibia), 249. 
Perforata (Foraminifera), 37. 
Perissodactyla, 323, 324. 
Perna, 195. 
Petrels, 291, 299. 
Petromyzon, 22, 339. 
Petromyzonide, 238. 
Phacochcerus, 325. 
Phalacrocoraz, 291. 
Phalena, 163. 
Phalangers, 24, 317. 
Phalangide, 20, 153. 
Phalangista, 24, 317. 
Pharyngobranchti, 22, 236, et Seq. 
Pharynx of Ascidians, 190; of Lancelet, 
237. 
Phascolarctos, 24, 316, 317. 
Phasianidee, 297. 
Pheasants, 24, 289, 297. 
Phoca, 338. 
Phocidee, 25. 
Pholades, 197. 
Phryganeide, 168. 
Phyllopoda, 20, 148. 
Phyllostomide, 25, 
Physalia, 17, 76. 
Physiology, 10. 
Physiteride, 24. 
Physophoride, 17, 76. 
Picide, 24, 299, 
Pig, 324, 825. 
Pigeons, 24, 283, 289, 290. 
Pike, 241, 
Pilidium, 122 
Pinnigrada, 382, et seq. 
Pipa, 23. 
Pipide, 254. 
Pisces, 22, 215, 225; general characters 
of, 227; scales of, ib.; skeleton of, 
228 ; limbs of, 230; tail of, 231 3 diges- 
tive system of, 232; respiratory system 
of, ib.; heart of, 233; swim-bladder 
of, 234; nervous system of, 7b. ; re- 
production of, 235 ; orders of, 236, 
Placental Mammals, 24, 313. 
Placoid Scales of Fishes, 227, 228. 
Plagiostomt, 245. 
Planarida, 19, 122. 
Plantigrada, 333, 334. 
Plant-lice, 21, 
Platyrhina, 342. 
Plectognathi, 242, 
Plesiosaurus, 28, 274 
Pleurobrachia, 18, 101 ; canal system of, 
101. 
Pleuronectidwe, 22, 242. 
Plovers, 24, 294. 
Pluteus, 105. 
Pneumatophore, 77. 
Podophyra, 17. 
Podosomata, 20, 151. 
£'odura, 165. 
Polecat, 334, 
375 
Polycystina, 17, 38; general characters 
f, 41, 
Polygastrica, 49. 
Polynoe, 135, 
Polypary, 61. 
Polype, 91. 
Polypide, 184. 
Polypidom, 61. 
Polypite, 60, 
Polypterus, 242, 243. 
Polythalamia (Foruminifera), 38. 
Polyxenia, 81. 
Polyzoa, 21, 181, 188; general characters 
of, 184, et seq. 
Pontia, 171. 
Porcupine. 25, 312, 337. 
Porcupine Ant-eater, 814, 315. 
Pores of Sponges, 44. 
Porpoises, 24, 320, 322. 
Portuguese man-of-war, 17, 77, 78. 
Poulpe, 22, 211. 
Prairie-dog, 338. 
Pristis, 22. 
Proboscidea, 25, 818; general characters 
of, 380. 
Procellaridce, 291. 
Procyon, 25, 334. 
Prong-buck, 329, 
Proteus, 249, 250, 254. 
Proteus-animalcule, 31. 
Protogenes, 17, 52. 
Protophyta, 3. 
Protoplasm, 27. 
Protozoa, 3, 15, 17; general characters 
of, 26, e¢ seq.; classification, 28; tabular 
view of, 42. 
Proventriculus of birds, 288. 
Proximal, 60. 
Pseudohemal system (Annelida), 181. 
Pseudohearts, 192. 
Pseudonavicelle, 29. 
Pseudopodia of Protozoa, 28 ; of Rhizo- 
poda, 30; of Ameba, 31. 
Psittacide, 24, 299, 
Ptarmigan, 24, 297. 
Pterodactyles, 23, 275, et seq. 
Pteropide, 25, 339. 
Pteropoda, 22, 181, 183, 198; general 
characters of, 203, e¢ seq. 
Pteropus, 840. 
Prerosauria, 23, 260 ; general characters 
of, 274. 
Péerygotus, 144, 
Puff Adder, 268. 
Pulicide, 21, 170. 
Pulmonary sacs (Arachnida) 151. 
Pulmonate Gasteropods, 199, 
Puma, 335. 336, 
Pupa, 161, 162. 
Pycnogonum, 20, 152. 
Python, 28, 257, 267. 
Quadrumana, 25, 313; general charac- 
ters of, 342, ef seq. 
Quagga, 324, 
Quail, 297, 
RABBIT, 25, 337. 
