712 



INDEX. 



Patella vulgata, 268 

 Pauropoda, 356, 386 

 Pauropus Lubbockii, 356 

 Pearl oyster, 252 



shell, 252 

 Pedicellaria, 97 

 Pediculati, 460 

 Podipalpi, 362, 386 

 Pelagic moll uses, 258, 269 

 Pelecanus erythrorhynchus, 535 

 Pelican, 542 

 Pelobates, 484 



Pelodytes (a genus of frogs), 484 

 (a genus of thread worms), 



164 



Pelomyxa palustris, 24 

 Pelopseus, 383 

 Peltogaster, 296, 297 

 Pelycosauria, 512 

 Peuella, 298 

 Penguin, 541 

 Pennatula aculeata, 86 

 Pentacrinus, 101 



Pentacta frondosa, anatomy of, 127 

 Pentastoma, 361 

 Pentremites, 107 

 Perca fluviatilis, 455 

 Perch, 455 



sea, anatomy of, 434 

 Peridinium, 34 

 Peripatus, anatomy of, 355 

 Perisarc, 61 

 Perissodactyla, 600 

 Perla, 367 

 Perophora, 201 

 Petalosticha, 123, 126 

 Petromyzon mariuus, 410 

 niger, 410 

 nigrieans, 410 

 Pezopliaps solitarius, 547 

 Phalangella flabellans, 186 

 Phalangium, 362 

 Pharyngobranchii, 408 

 Phascolosoma caemeatarium, 224 



Gould ii, 222 

 Pheronema Anme, 48 



Phocaena brachycium, 595 



lineata, 595 



Phoenicopterus ruber, 544 

 Phoronis, 223 



Phosphorescent annelides, 237 

 ascidians, 202 

 Hydrozoa, 70 

 insects, 375 

 Protozoa, 33 

 worms, 237 



Phrynosoma Douglassii, 503 

 Phylactolsemata, 186 

 Phyllocarida, 311, 325 

 Phyllopoda, 300 

 Physa heterostropha, 265 

 Physalia aretlmsa, 68 

 Physeter macrocephalus, 594 

 Physiology, 12 

 Picarise, 550 

 Pigeon, anatomy of, 525 

 Pilidium, 217 

 Pill bug, 306, 307 

 Pipa Americana, 485 

 Pipe fish, 461 

 Pirarucu, 442 

 Pisces, characters of, 411, 463 



development of, 413, 432, 445 

 Pissodes strobi, 372 

 Plagiostomi, 419 

 Plagusia, 460 

 Planarian worms, 141 

 land, 145 

 lasso- cells of, 143 

 nervous system of, 143 

 parasitic, 145 

 Planaria torva, 141 

 Plant lice, 371 

 Planula, 59 

 PJatygaster, 381 

 Platyhelminthes, 141, 162 

 Platyrhinse, 619 

 Plectognathi, 461 

 Pliohippus, 602 

 Plesiosaurus, 513 

 Plethodon erythronotum, 479 

 Plcurobrachia rliododactyla, 93 



