750 



INDEX 



Pelvic girdle, 239 f., 240, 241 



Peiuplicridae, 650, 653 



Pempheris, 657 ; P. muelleri, 657 



Peiietopteryx, 634, 635 



Poitaceropsls, 660 



Pcntaceros, 660 



Peutacerotinae, 660 



Pentanevius, 6/fl ; P. qmnquctrius, 162 



Peiitapus, 664 



Pen-taroge, 695 



Peprilus, 64S 



Peirif, 659, 262 ; alimentary canal, 275 ; 

 veins, 323 ; thyroid, 343 ; auditory 

 organ, 388 ; P. fluviatilis, 659, 321, 

 323 



Percalates, 659 



Percarina, 650 



Percesoces, 636 f. 



Perch, 659 ; deposition of eggs, 411 ; = 

 Perca, q.v. 



Pcfcichthys, 659, 660 . , 



Percidae, 65S, 654, 412 ; coloration, 166 



Peroifornies, 652 f., 651 



PerciZia, 659 



PcTcbia, 659 



Percopliiidae, 705, 703 



Percnphis, 705 ; P. hrasUiaiLus, pectoral 

 arch of, 703 



Percopsidae, 6S0, 606 



Percopsis, 621 



Peiibranchial budding, 82 



Peribranchial cavity, 43, 44, 59, 63 ; of 

 Thaliacea, 95, 101 



Pericardium, of Hemichordata, 15 ; of 

 Tunicata, 44, 49 ; of Fislies, 327 



Perihacmal spaces, 9 



PeriopIUhaliniis, 6S9, 690, 355 ; eyes, 

 155 ; pectoral lins, 161 ; tail as >i re- 

 spiratory organ, 289 ; P. koelreioteri, 

 690 n. 



Peripharyngeal bands, 45, 46, 52, 53 



Peripharyngeal spaces, 9 



Peristcli'ia, 701 



Peron, 36 



Perophora, 7t, 84 ; P. listeri, 72 



Petalodoutidae, 44^ 



Pctulodus, 440j 



Petalopiteryx, 49S 



Petersen, 690 n. 



Petersius, 575 



Petrocephalus, 551 



Pelromyzon, 4S6, 147, 258, 367, 382 ; 

 external characters, 150 ; skull, 217 ; 

 teeth, 247, 248 ; spiral valve, 264 ; 

 liver, 272; pancreas, 273; gill -sacs, 

 279, 280 ; heart, 327 ; arteries, 329, 

 330 ; blood corpuscles, 341 ; thyroid, 

 3 13, 344 ; supra - renal bodies, 346 ; 

 brain, 371, 372, 392 ; spinal nerves, 378 ; 

 auditory organ, 387 ; olfactory organ, 

 391, 392; naso - pituitary involution, 

 391 ; pituitary caecum, 392 ; parietal 



eye, 395, 396 ; kidneys, gonads, and 

 genital pores, 399, 400, 403 ; distribu- 

 tion, 426 ; P. flimatilis, 426 ; P. 

 -iiuxriniis, 426 ; P. planeri, ova, 428 ; 

 P. wilderi, spawning, 427 ; larva, Am- 

 mocoetes stage, 428 



Petromyzontes, 4^^^ f- 



Petromyzontidae, 4^6' 



Petrosciries, 709 



P'har/o, 576 



Phfdliisia, 72 



Plianeropteuron, 506, 519 ; P. andersoni, 

 506 



Phanerosteon, 4S7 



Pharyngeal teeth, 251 



Pluiryiujiidictyon, S7 ; P. mirabile, 80 



Pharyngognathi, 543 



Pharyugopneusta, 30 n. 



Phisalix, 705 n. 



Phlyctaenaspis, 536 



Pholedichthys, 709 



Pholididae, 711, 704 



Pholidophoridae, 54-5, 541 u., 544 



PholidophoruSj 545 



PhoUs, 711, 712 ; P. gunuelliis, 712, 

 415 



Phoronidea, S7 f., 5 



Phorouis, 27 f., 5 ; regeneration, 16, 30 ; 

 P. biiskii, 28 



Phorozooid, 99, 100 



Phosjihorescent organs, 178 



Photichthys, 571, 570 



Photoblepharon, 660 



Pfwtonectes, 571 



Photophores, 178, 612, 613, 624, 711 



Photostomias, 571 



Phrs^ctolaeniidae, 560, 544 



Phractolaemus ansorgii, 560; 560 



Phract'ivra, 588 



Phthinobranchii, 6'29 



Phyds, 64s 



Phyllodoce, nephridium, 127 



Phyllodus, 674 



Phyllopteryx, 634 \ P- eques, 635 



Phylogephyra, 565 



Physailia, 588 



Physalia, with Xomcus, 643 



Physiculus, 64s 



Physoclisti, 306, 307, 311 



Physopyxis, 588 



Physostomi, 543, 306, 311 



Piabucina, 575 ; P. argentina, mouth, 

 577 

 J?ike, 609, 250, 307 



Tike- Perch, 659 



Pilchard, 564, 389 



Pilot-Fish, 677 



Pimdepterus, 657 



Pimdodina, 588 



I'imdodus, 688, 589, 361 



Pimephcdes, 582 



Pipe-Fish, 634, 154 



