584 
Osmerus, i, 393; li, 123, 127 
figure of, il, 123 
Osphromenide, i ii, 368, 370 
Osphromenus, ii, 308 
ossicles, 
Hasse on, i, 96 
Ostariophysi, i, 120; ii, 38, 
40, 140, 209 
series of, ii, 159-165 
Osteoglosside, ii, 56, 60, 160 
Osteoglossum, ii, II, 41, 42, 
56, $7 
Osteolepis, i, 602-604 
Osteostraci, i, 568, 571, 573; 
$90 
order of, i, 575 
Ostichthys, 
figure of, li, 255 
Ostraciide, i, 568 
family of, ii, 415 
Ostracion, i, 206, 373, 391; 
ii, 416-418 
figure of, i, 16, 376; ii, 416 
Ostracodermi, i, 568; ii, 398, 
411, 415 
Ostracophores, i, 240, 242, 
246, 444, 488, 568, 581, 
582, 590, 603; li, 3 
figure of, i, 444 
nature of, i, 569 
order of, i, 573 
Ostracophori, i, 462 
class of, i, 568, 569 
Osurus, ii, 502 
Otaki, i, 418, 422 
Otodus, i 1, 538 
otoliths, i, 119-121; 354 
Ctsego bass, li, 64 
Ouananiche, li, 92, 93 
Overland Monthly, 
reference to, ii, 69 
oviducts, ii, 6 
oviparous fishes, i, 125 
ovoviviparous fishes, i, 125, 
55° 
Owen, i, 88, 90, 424, 428 
on swordfish, ii, 270, 271 
Owsjannikow, i, 422 
Owston, 
sharks taken by, i, 534 
Oxuderces, ii, 468 
Oxudercide, ii, 468 
Oxygnathus, ii, 14 
Oxylabracide, ii, 320, 327 
family of, ii, 319 
Oxylabrax, li, 320, 355 
figure of, li, 319 
Oxylebius, ii, 440 
Oxyjulis, ii, 388 
Oxymonacanthus, ii, 415 
Oxynotide, i, 546 
Oxynotus, i, 546 
Oxystomus, i, 259 
Index 
oyster-fish, ii, 525 
Ozorthe, ii, 513 
figure of, i, 9; li, 513 
Pachycormide, ii, 34 
Pachycormus, ii, 34 
Pachylebias, ii, 201 
Pachyrizodontide, ii, 44 
Pachyrhizodus, ii, 44 
Pacific Creek, i, 308, 309 
paddle-fish, i, 199, 253, 290; 
ii, 20 
Pagellus, i, 260, 267; ii, 344, 
346 
Pagrus, i, 94, 259, 263, 324; 
ii, 343, 344, 346 
figure of, ii, 342 
paired fins, 
in Acanthodei, i, 515 
Balfour on, ii, 8 
migration of, i, 75 
origin of, i, 64 
Ryder on, i, 66 
paired limbs, 
Dean on, i, 81 
Mivart on, i, 70 
relation of, i, 69 
Thacker on, i, 70 
Gill on, i, 85 
paleichthyologists, i, 
426, 427 
palzichthyology, i i, 426 
Paleichthys, ii, 3 
Paleobalistum, ii, 22 
Palzoniscide, i, 452, 580; ii, 
4, 14, 15, 23 
Palzoniscum, i, 437, 622 
Blainville on, ii, 14 
figure of, i, 4533 ii, 14 
paleontology, evidence of, i, 
6. 
424, 
4, 
Paleorhynchide, 
family of, ii, 268 
Palzorhynchus, ii, 268 
figure of, ii, 268 
Palzospinax, i, 528 
Paleospondylide, i, 593 
Palzospondylus, i, 204, 437, 
444, 593) 595, 596 
figure of, i, 591 
relationships of, i, 593 
: palatines, i, 6 
palatopterygoid arch, ii, 152, 
155 
palato-quadrate apparatus, i, 
_ 508, 509, 523 
Palinurichthys, ii, 284 
Pallas, ii, 67, 135, 
522 
Pallasina, i ii, 453 
figure of, i, 221; ii, 453 
Palceaspis, i, 575 
palometa, i, 324; ii, 283 
428, 
pampano, i, 210, 324; li, 272— 
292 
gaff-topsail, ii, 277 
great, li, 277 
round, ii, 277 
true, ii, 277 
panai feri, ii, 367 
Panama, 
as barrier, i, 270 
final hypothesis as to, i, 279 
pancreas, 1,32 
Pander, i, 427 
pan fish, i, 355 
Panicum, ii, 369 
Pantodon, ii, 60 
Pantodontide, ii, 57 
Pantosteus, i, 304, 316; ii, 
172 
papagallo, ii, 278 
papilla, i, 115 
Pappichthys, ii, 36 
Parabatrachus, i, 604 
Paracentropogon, ii, 436 
Paracentropristis, ii, 328 
Paracirrhites, ii, 363 
paraglenal, i, 90; ii, 12 
Paragobiodon, ii, 466 
Paralabrax, ii, 328 
Paralepida, ii, 136 
Paralichthys, i, 206; ii, 482, 
486, 492 
figure of, ii, 493 
shoulder-girdle of, 
ii, 2 
i, 58; 
tail of, figured, i, 83; ii, 
486 
Paraliparis, i, 202, 219; ii, 
454, 455 
Paramia, ii, 317 
Paranguilla, ii, 150 
Paranthias, ii, 328 
Paraphyllodus, ii, 396 
Parapristipoma, ii, 342 
Parapegasus, ii, 240 
Parapercis, ii, 502 
Parasilurus, ii, 183 
parasites of fishes, 
crustaceans, i, 340 
figures illustrating, i, 341- 
344 
fungi, i, 353 
Heart Lake tapeworm, i, 
348 
hosts of, i, 343 
internal, i, 342 
protozoans, i, 342 
parasitic diseases, 
Gurley on, i, 342 
Linton on, i, 343 
Megnin on, i, 343 
Railliet on, i, 343 
Stiles on, i, 343 
Ward on, i, 343 
