INDEX. 



Aves, 265 ; Vertebrata, 



349, 35.0- 

 Pancreatic duct, second in 



Mammalia, 26. 

 Pandorina, 845. 

 Panoistic ovary, xxiii. 

 Panorpatae, 510. 

 Pantopoda = Pycnogonidae. 

 Papillae of Holothuroidea, 



551- 



Parabranchia, 479. 

 Parachordals, 337. 

 Paractiniae, 735. 

 Paraglossa, 141. 

 Paragnatha, 170. 

 Paramecium, 254-25 . 

 Paramitome, xxi. 

 Paramylum, 820, 843. 

 Paranucleus, 255, 820. 

 Parapodia, 594. 

 Parasitism of Chaetopoda, 



608. 



Parasphenoid, 80. 

 Parastacidae, 182. 

 Paratherium, 370. 

 Parenchyma, Taenia, 226. 

 Par-epididymis, 355. 

 Parietal = pineal eye. 

 Parietal scales, 147. 

 Parmacella, sensory groove, 



123. 



Par-oophoron, 355. 

 Parovarium of Elasmo- 



branchii, 426. 

 Parthenogenesis, xxiv ; Ar- 



thropoda, 495 ; Insecta, 



57, S l 3'i Crustacea, 537. 

 Patellidae, 482. 

 Paxillae, 548. 

 Pecten of eye, 52, 86, 346. 

 Pecten, eyes of, 451, 487. 

 Pectinated rhombs of Cys- 



toidea, 577- 

 Pectinidae, locomotion in, 



485. 

 Pectoral girdle, Vertebrata, 



341- 

 Pedal gland of Gastropoda, 



474- 



Pedata, 553. 



Pedes spurii, v. Prolegs. 

 Pedicellariae, 191, 192 ; of 



Echinoidea, 558 ; Asteroi- 



dea, 192, 563; Ophiuroi- 



dea, 567. 

 Pedicellina, 704. 

 Pediculidae, 510. 

 Pedipalpi, 303, 529. 

 Pegmatobranchia, 702. 

 Pelmatozoa, 570. 

 Pelomyxa, ' Glanz-korper,' 



900 n; 905. 

 Pelvic girdle, Vertebrata, 341. 



Pelvis, Aves, 61, 65 ; Rana, 



80, 82 ; Teleostei (?), 95 ; 



Vertebrata, 341 ; Pisces, 



416. 



Pennatulidae, 732. 

 Pentastomunt) 528, 529. 

 Perca, dissection of, 83-90 ; 



parasites in, 85 ; epidermis 



and lateral line, 85 ; brain, 



86 ; digestive system, 87 ; 



circulatory system, 87, 88 ; 



urogenital system, 89 ; 



skeleton, 90-98.. 

 Perch, v. Perca. 

 Perennibranchiata, 408. 

 Perforata (Madreporaria), 



743. ' Perforate ' Foramini- 



fera, 885. 

 Peribranchial cavity of Am- 



phioxus, 439. 

 Pericardial gland, xvi, 129, 



453, 462, 478 n, 480, 488 ; 



v. Keber's organ. 

 Pericardium, Helix, 1 1 1 ; 



Anodonta, 133 ; Peripla- 



neta,) 144; Vertebrata, 357; 



of Cephalopoda, 463 ; cf. 



xxix. 

 Periostracum, 108, 124; of 



Mollusca, 449. 

 Peripatidea = Protracheata. 

 PeripatuS) 519. 

 Peripharyngeal band, As- 



ctdia, 104 ; groove, 104 ; 



cavity of Urochorda, 443. 

 Periplaneta.) dissection of, 



138-147 ; digestive system, 



139, 143; ecdysis, 140; 



external anatomy, 140- 



142 ; nervous system, 142 ; 



respiratory and circulatory 



systems, 144 ; structure of 



antennae, 145; ovary, etc., 



139, 296, 297 ; testes, xvi, 



145 ; plate and description, 



294-297. 



Periproct of Echinoidea, 557. 

 Peripylea, 882. 

 Perisarc, 245. 

 Perisome, Asterias, 192. 

 Perissodactyla, 368. 

 Peristome of Echinoidea, 557; 



of shell, 107; of Tealia, 



239- 

 Peristomium of Chaetopoda, 



593 ; of Archi-annelida, 



613- 



Peritricha, 839. 

 Perlariae, 509. 

 Peromedusae, 788. 

 Peronia, 749. 



Petala of Echinoidea, 557. 

 Petalosticha, 562. 



Petanoptera, 510. 

 Petromyzon, 437; post- anal 



gut, 335- 



Peyerian follicles, 27, 29. 

 Phacelli, 784. 

 Phaeodaria, 883. 

 Phalangidae, 529. 

 Pharetrones, 810. 

 Pharyngobranchial, 93. 

 Pharyngobranchii = Cephalo- 



chorda. 



Pharyngognathi, 431. 

 Pharynx, Ascidia, 103, 105. 

 Philonexidae, 465. 

 Pholadacea, 490. 

 Phoronis, 703. 

 Phosphorescence, 200, 411, 



447, 474, 490, 508, 513, 



5i6n, 539, 569, 608, 722, 



731,746,851,853. 

 Phoxichilidium larvae, 543. 

 Phragmacone, 457. 

 Phrynus, 529. 

 Phylactocarp, 759. 

 Phylactolaemata, 707, 710. 

 Phyllirhoe, 483. 

 Phyllobranchia, 183. 

 Phyllopoda, 539. 

 Phylogeny, xxx. 

 Physaliidae, 777. 

 Physemaria, 809. 

 Physoklisti, 431. 

 Physophoridae, 777. 

 Physostomi, 431. 

 Pigeon, v. Columba^ 

 Pigeon's milk, 53. 

 Pilidium^ 583, 640 n. 

 Pineal eye, xvi, 343 n; gland, 



.343- 



Pinnipedia, 368. 

 Pisces, 409-432 ; v. Ferca, 



Gadus. 



Pituitary body, 343. 

 Placenta, 358, 367; of Elas- 



mobranchii, 428 ; oiSalpa, 



445- 



Placoid scales, 411. 

 Plagiostomi, 430. 

 Plakopus, 905. 

 Planula, 246, 764. 

 Plasma cells of Mollusca, 



115. 



Plasmodium, 909, 910. 

 Plastron of Chelonia, 382 ; 



of Echinoidea, 557. 

 Plecoptera, 509. 

 Plectognathi, 431. 

 Plegepoda, 824. 

 Pleopoda, 164. 

 Plesiosauria, 391. 

 Pleural membrane, 142. 

 Pleurobranchia, 182. 

 Pleurodont, 387. 



