456 



ANIMAL STUDIES 



Paludicolae, 222. 



Pandorina (illus.), 83. 



Panthers (illus.), 259. 



PapilioT^idae, 367. 



Parallelism of embryonic stages with 



fossil series, 433. 



Paramoecium aurelia (illus.), 26, 27. 

 Parasitic insects, 341. 

 Parasitism, 63, 335; kinds of, 338; 



simple structure of, 340. 

 Parrots, 227. 

 Passeres, 230. 

 Patagonian realm, 444. 

 Pelicans, 2:20. 

 Peneus (illus.), 346. 

 Pennatula, 56. 

 Percaflavescens (illus.), 165. 

 Perching birds, 230. 

 Pelicanns eryt?irorhynchus (illua.), 



220. 



Peripatus (illus.), 127. 

 Peripatus eiseni (illus.), 127. 

 Petrels, 219. 

 Pheasants, 224. 

 Philhela minor, 223. 

 Phrynosoma, 200; P. blanivillei, 



(illus.), 297; head of (illus.), 208. 

 Phyllium (illus.), 357, 

 Phyllopteryx (illus.), 359. 

 Physalia, colonial jelly-fish (illus. ), 



51, 336. 

 Pici, 338. 



Piddock (illuB.), 93. 

 Pierid*, 867. 



Pigeons, 225; horn-tail (fflua. ), 344. 

 Pike, 173. 

 Pill-bugs, 121. 

 Pinnotheres, 337. 

 Pipe-fish (illus. ), 359. 

 Pithecanthropus, 430. 

 Planaria (illus.), 60, 61. 

 Plankton, 446. 



Platophrys lunatus (illus.), 274 

 Play, 394. 

 Plovers, 223. 



Podttymbus podicep*, 219. 

 Pointer dog in the act of pointing 



(illus \, 403. 

 Polychaetes. 76, 80. 



Poly nee brevisetosa (illus.), 78. 



Polyzoa, 85. 



Porcellio Icavis (illus.), 121. 



Porcupine (illus.), 241. 



Porcupine fish (illus.), 800. 



Porpoises, 243. 



Portuguese man-of-war (illus., 51': s 



50 ; (illus.), 337. 

 Prawn (illus.), 117. 

 Praying horse (illus.), 293. 

 Pribilof group in Bering Sea (illus.) 



330 



Primates, 250. 

 Prionns (illus.), 811. 

 Pi ocellaria pelagica, 220. 

 Procynn lotor, 247. 

 Promethea moth (illus.), 378. 

 Protective resemblances, 350, 355 



368. 



Protohtppvs, 432. 

 Protoplasm, structure of, 10, 

 Protozoa, 19, ?2, 30. 

 Psittaci, 227. 



Pterichyod.e.K m.Weri (illus.). 425, 

 Pterodactyl (illus.), 424. 

 Puqettia richii (illus.), 120. 

 Fulsatina vacuales, 27. 

 Puss moth, larva of (illus.), 363* 

 Pygopodes. 217 



Quail, 224. 



Rabbits, 241, 435. 



Raccoon (illus.), 247. 



Race histories, 41. 



Rails, 222. 



Rainbow trout, head of (Ulus.), 31C 



Raja binocnlala (illus.), 306. 



Raptores, 226. 



Ratitae, 217. 



Rats, 438. 



Reason, 398. 



Red squirrel, 19. 



Redi, 70. 



Reflex action, 3S8. 



Regeneration of the tapeworm, 8ft 



Remora (illus.), 336. 



Reproduction, 396. 



Reptiles, 192. 



