838 



INDEX. 



Penguin, 574, 587, 601, 602. 



Peniculus, 284. 



Pennatula, 167, 168. 



Pennatulidce, 166, 167, 169, 180 ; distribu- 

 tion of, in time, 185. 



Pentacrinus, 212, 213, 222, 223. 



Pentacta, 220. 



Pentamera (Coleoptera), 362. 



Pentameridce, 394. 



Pentastoma, 320. 



Pentastomida, 320. 



Pentatoma, 349. 



Pentremites, 217, 218, 223. 



Perameles, 663. 



Peramelidce, 665. 



Peranema, 100. 



Peratherium, 670. 



Perca, 463, 468, 484. 



Perch, 484, 488. 



Perchers, 622. 



PercidcK, 488. 



Perdicidce, 614. 



Perdix, 614. 



Perennibranchiata (Amphibia), 510, 511, 

 515, 516, 517. 



Perforata(Foraminifera),66, 73; (Corals), 

 164, 185. 



Pericardium, of Crustacea, 282 ; of Nauti- 

 lus, 432. 



Peridinium, 100, 102. 



Perigastric space of Polyzoa, 376. 



Periostracum, 369. 



Peripatus, 329, 331, 332. 



Perischoechinidce, 200, 224. 



Perissodactyla, 693. 



Peristome, of Vorticella, 98 ; of the shell 

 of Gasteropoda, 410. 



Peristomial space of Actinia, 155. 



Peritoneum (Tunicata), 382. 



Perivisceral space of Actinozoa, 151, 152. 



Periwinkle, 412. 



Perlidce, 351. 



Perodicticus, 774. 



Peromela, 513. 



Petalodus, 506. 



Petaurus, 664. 



Petraster, 223. 



Petrel, 603. 



Petrogale, 663. 



Petromyzon, 480, 482. 



Petromyzonidce, 479, 482. 



Pezophaps, 618. 



Pezoporince, 621. 



Phacochcerus, 707. 



Phcenicopteridce, 606. 



Phcenicopterus, 606. 



Phaeton, 604. 



Phalacrocorax, 604. 



Phalcena, 342. 



Phalangers, 665. 



Phalangidce, 322. 



Phalangista, 665. 



Phalangistidce, 665. 



Phalangium, 323. 



Phalansterium, 93, 100. 



Phanogenia, 216. 



Pharyngobranchii, 477, 504. 



Pharyngognathi, 488. 



Pharynx, of Ascidians, 382, 384, 385 ; of 

 Lancelot, 471, 478. 



Phascolarctos, 664. 



Phascolomys, 661. 



Phascolosoma, 256. 



Phascolotherium, 653, 669. 



Phasianidce, 614. 



Phasianus, 614. 



Phasmidce, 340, 350. 



Pheasant, 614. 



Phillipsia, 314. 



P/ioca, 737, 738. 



Phoccena, 689, 690. 



Phocidce, 737. 



Pholadidce, 369, 404. 



Pholas, 396, 403. 



Phormosoma, 200, 224. 



Phoronis, 266. 



Phosphorescence of the sea, 101. 



Phragmacone, 369 ; of Spirula, 429 ; of 

 Belemnite, 430. 



Phryganeidce, 351. 



Phrynus, 325. 



Phylactolcemata, 378, 379. 



Phyllidiadce, 412. 



Phyllirrhoidce, 413. 



Phyllium, 25. 



Phyllocyst, 132. 



Phyllopoda, 283 ; characters of, 295, 296 ; 

 distribution of, in time, 313. 



Phyllosoma, 307. 



Phyllostoma, 764. 



Phyllostomidce, 764, 765. 



Phyogemmaria, 136. 



P%m, 416. 



Physalia, 109, 131, 135, 136. 



Physalus, 688. 



Physeter, 688. 



Physeteridce, 688. 



Physiology, 18. 



Physopftora, 135. 



Physophoridce, 1 31 ; characters of, 134 e 

 se<7. ; tentacles of, 134 ; reproduction of, 

 135 ; distribution of, in space, 150. 



Physostomata, 485. 



Picidce, 619, 620. 



Piddock, 403. 



Pieris, 356. 



Pigeons, 616, 617. 



Pigment-spot, of Infusoria, 100 ; of /?ota- 

 /era, 251. 



Pikas, 754. 



Pike, 485. 



Pilidium, 239, 241. 



Pill-millepede, 330. 



Pinna, 403. 



Pinnigrada, 735, 736, 751. 



Pinnipedia, 734, 735, 751. 



Pintail Duck, 606. 



Pipa, 591, 521. 



Pipe-fish, 488. 



Pipidce, 521. 



Pipistrelle, 763. 



Pipits, 627. 



Pisces, 457; general characters of, 463; 

 scales of, i&. ; skeleton of, 464 e seg ; 

 limbs of, 466-469; tail of, 469-471; 

 respiratory system of, 471-473 ; heart of, 

 473; digestive system of, 474; swim- 

 bladder of, 475 ; nervous system of, ib. ; 

 reproductive system of, 476 ; orders of, 

 477 e seg.; distribution of, in time, 504 



Pithecia, 777. 

 Pitheciidce,. 777. 

 Placenta, 654. 



