INDEX 



749 



Oreosoma, 688 



Orestias, 616 



Orodus, 445 



Orthagorigcus, 727, 153, 354 ; spinal cord, 



367 ; 0. wo/a, 602, 727, 348, 357 

 0:tho-enteric, 102, 108 

 Owner aides, 5Jf! 

 Osmerus, 566, 565 : 0. eperlanns, 568 ; 



gonoducts, 405, 411 

 Osphromenidae, 669, 654 ; labyrinthiform 



organ, 293 



Osphromeinm. 60!), 293 ; 0. olfax, 669 

 Osphyolax, 634 

 Ostariophysi, 573 f., 306, 389 

 Osteochilus, 582 

 Osteogeniosus, 5SS, 593 

 Osteoglossidae, 555, 544, 294, 405 ; larval 



gills, 290 ; distribution, 557 

 Osteoglossmn, 557 ; 0. bicirrhosum, 556 

 Osteolepida, Jfi7 f. 

 Osteolepidae, 477 



Osteolepis, 477 ; 0, macrolepidota, 477 

 Osteostraci, 527 f., 149 

 Ostracion, 724, 152, 361 ; colours, 165, 



174 ; scales, 191 ; 0. ornatus, 165 ; 



0. quadricornis, 725 ; 0. trig onus, 



362 



Ostraciontidae, 724, 721 

 Ostracodermi, 523 f., 149, 721 

 Otocinclns, 595 

 Otolithus, 663; air -bladder, 304; 0. 



regalis, 361 



Oviducal gland (shell-gland), 400, 407 

 Ovipositor, 408 

 O'-uderces, 690 

 Oxydoras, 588, 359 

 O.i-i/f/iiathus, 487 

 Oxylebius, 696 

 <>.<// t/ietopon, 689 



Pachycormidae, 501 



Pachycormus, 501 



Pachylebias, 616 



Pachymetopon, 665 



Pachyrhizodonti^ae. 569 



Pachyrhizodus, 569 



Pachystomias, 571 ; P. microdon, photo- 



phores, 178, 179, 180 

 Pachyula, 588 



Paddle-Fish, 491 ; = Polyodon, q.v. 

 Pagellus, 665 ; P. centrodontus, 346 

 I'i"/rus, 665 ; P. auratus, 665 

 Palaeolycus, 609 

 Palaeomylus, 46$ 

 Palaeoniscidae, 486, 485 ; range in time, 



487 

 /'"fni-oniscus, 486, 487 ; P. macropomus, 



186 



Palaeorhynchidae, 680 

 Palaeorhynchius, 680 

 I'ulii.eoscyllium, 44? 

 Ptdaeosirinax, 445 \ vertebral column, 197 



Palaeospondylidae, 521 f., 149 

 Palaeospond-vlus gunni, 521, 522 

 Palimphyes, 67$ 



Pallas, 112 



Pancreas, 273 



J'ftm/asius, 588, 305, 359 ; P. micronema, 



359 n. 



Pantodon buchkolzi, 558, 559 

 Pantodontidae, 558, 544 

 Papillae, adhering, 61 

 ParacentroscyUimn, 455 

 Parudiplomystes, 588 

 Paragoniates, 575 

 Parailia, 588 

 Parcdepis. 611 

 Paralichtkys, 687 

 I'liniUparis, 698 

 Paraluteres, 724 

 Paranthias, 659 

 Parapef/asns, 636 

 Parapelecus, J ( VJ 

 Parapercis, 705 

 Paraphago, 576 

 Paraphractura, 588, 589 

 Parapriacanthus, 657 

 Parapsettus, 668 

 Parascopdus, >>11 

 Parasitism, of Khodeus, 584, 416 ; of 



Stegophilus, 594 

 Paratilapia, 671 

 Puratrachichthys, 656, 655 

 Puratrygon, 465 

 Parental care, 415, 416, 500, 601 



its, 441 



Parietal budding, 82 

 Parietal eye, 395 f., 396 

 Pariolius, 588 

 Parker, T. J., 714 n. 

 Parker, \V. N., 705 n. 

 Parodon, ">?>: 

 Paropsis, 677 

 Parrot-Wrasses, 674 

 I'ufnecvs, 709 



Pearl Oysters, Fierusfer in, 625 

 Pectoral fins, 157, 242, 243, 244 

 Pectoral girdle, 239, 240 

 IVdicuIati, 717 1., 651, 306 

 IVgasidnc. Mo, 626, 628 

 Pegasus, > '>><'> 

 Pegea, 108 ; P. scutigera - confoederata, 



108 



Pelagic ova, 408 

 Pelargorhynchun. 

 Peleous, 582 

 Pellegi-in. 071 n.. 724 n. 

 Pettmiu, '><:<. 563 

 Pellonula, 563 

 Pelonaia, 74 ', branchial sac, 74 ; P. cor- 



riii/iifn, 76 

 Pelvr, 695 

 Peloria, 685 

 Pelvic fins, 158, 245 f., 246 





