INDEX. 



8o; 



Parental care in 



Crayfish, . . . 269 



Crocodiles, . . .588 



Echinoids, . - . . 240 



Fishes, .... 526 



Mammals, . . . 639 



Spiders, . . . -334 



Pariasaurus, .... 592 



Paroccipital process, . . 663 



Parovarium = Wolffian body in 



female, . . .461 

 Parthenogenesis, . . 49, 55 

 in Apus, . . 270 

 Artemia, . 270 

 Crustacea, . 280 

 Insects, . 318 

 Limnadia, . 270 

 Rotifers, . 223 

 Patella, . . . -357 



Pathetic nerve, . . .441 

 Pathology, Comparative, . 749 

 Paunch, . . . 697 



Pauropoda, . . . 292 



Pauropus, . . . 292 



Peccaries, . . . 695 



Pecora, . ... 696 



Pecten, . ... 372 



of Eye of Birds, &c., . 447 

 Pectines of Scorpion, . . 329 

 Pectoral girdle, . . . 434 

 Pedal ganglion, . 342, 250, 366 

 Pedalion, .... 223 

 Pedata, .... 243 



Pedicellarise of sea-urchin, . 237 

 ,, starfish, . . 230 



Pedicellina, .... 225 

 Pedipalpi, . . . . 331 

 Pedipalps of Scorpion, . . 329 

 Spider, . . 332 

 Pelagia, . . 133, 148, 156 



Pelagic Life, . . . . 753 

 Pelagonemertes, . . .176 

 Pelagothuria, . . . 240 



Pelecypoda, see Bivalves, . 362 



Pelias, 583 



Pelican fish, . . . . 5 1 1 

 Pelobates, .... 556 

 Pelomyxa, .... 99 

 Pelvic girdle, .... 434 

 Penseus, . ' . . .278 



Penella, .... 272 



Penis of Mammals, . . 678 

 Pennatula, . . . 153, 1 57 

 Pentacrinus, .... 244 

 Pentastomum, . . . 336 

 Pepsin, .... 22 



Peptic digestion, . . . 740 

 Peragale, . . . .686 

 Peramelidse, .... 686 



Perch, 510 



Perching of Birds, . . . 601 

 Perennichordata, see Larvacea, 408 

 Peribranchial cavity, . . 406, 416 

 Pericardium, .... 454 

 Pericolpa, . . . .156 

 Peridinium, .... 105 

 Perigenesis, . . . .71 

 Perilymph, .... 444 

 Perineal glands, . 642, 670, 678 

 Peripatus, .... 285 

 ,, Detailed account of, 286 

 ,, and Annelids, . 285, 291 

 Peripheral segmentation, . 65 

 Periplaneta, .... 293 

 Periptychus, .... 704 

 Perissodactyla, . . . 698 

 Peristaltic action, . . .23 

 Peritoneum, .... 670 

 Peritricha, 93 



Periwinkle, . . . > 357 



Perla, 305 



Peromedusse, . . .156 



Petalosticha, . . . 240 



Petaurus, .... 687 

 Petromyzqn, .... 469 

 , , and Myxine contrasted , 47 3 

 Phacochcerus, . . . 695 

 Phacops, . . . .341 

 Phagocytes, .... 749 

 Phagocytosis, . . . 749 



Phalanger, .... 687 

 Phalangeridae, . . . 687 

 Phalanges, .... 434 

 Phalangidae, . . . . 331 

 Phalangium, . . . 331 



Phallusia, .... 409 

 Pharyngobranchii, . .410 



Pharyngognathi, . . .510 

 Pharynx, .... 449 

 Phascogale, .... 686 



