588 
Protoselachii, i, 523 
Protosphyrena, ll, 34 
Protosphyrenida, ii, 34 
Prostospondyli, ii, 23, 34 
Protosyngnathus, ii, 233 
Prototroctes, i, 252; ii, 128 
protozoan parasites, i, 342 
Provengal i, 95 
Psammobatis, i, 553 
Psammodus, i, 558, 559 
Psammosteide, i, 574 
Psenes, ii, 285 
Psenopsis, ii, 284 
Psephodus, i, 531 
Psephurus, i, 199, 253, 452, 
622, 623 
figure of, ii, 21 
Psettide, ii, 291 
Psettus, ii, 398, 400 
figure of, il, 399 
Pseudecheneis, ii, 184 
Pseudeleginus, ii, 502 
Pseudobagrus, ii, 183 
Pseudoberyx, ii, 52 
Pseudoblennius, i, 260; ii, 
448 
pseudobranch, ii, 7 
pseudobranchia, i, 92 
Pseudocheilinus, ii, 390 
Pseudochromidida, li, 359 
Pseudogaleus, i, 533 
Pseudojulis, ii, 389 
Pseudolabrus, ii, 390 
Pseudomonacanthus, ii, 415 
Pseudopleuronectes, i, 174; 
ii, 493 
larval figures of, i, 176; ii, 
483 
Pseudopriacanthus, ii, 332, 
333 
figure of, ii, 332 
Pseudorhombus, ii, 492 
Pseudoscaphirhynchus, ii, 18, 
20 
Pseudoscarus, i, 329; ii, 394, 
396 
figure of, i, 330 
Pseudoscizna, i, 169; ii, 355, 
35 
Pseudotriakide, 
family of, i, 536 
Pseudotriakis, 1, 536 
Pseudovomer, ii, 278, 286 
Pseudogobio, i, 416 
Pseudupeneus, li, 352 
figure of, i, 122, 3293 ii, 351 
Psychrolutes, i, 219; li, 44r, 
447, 449 
figure of, i, 221; ii, 451 
Psychromaster, ii, 31 5 
Pteraclide, ii, 286, 291 
Pteraclis, ii, 286 
Pteraspide, i, 570 
Index 
Pteraspis, i, 569, 571, 591, 622 
figure of, 1, 575 
Pterichthyodes, i i, 444, 622 
figure of, i, 576 
Pterichthys, i, 581 
Pterogobius, 
figure of, ii, 462 
Pterois, i, 180, 202; ii, 434 
figure of, ii, 435 
Pterophryne, ii, 550 
figure of, ii, 549 
species of, li, 550 
Pteroplatea, i, 556 
Pteropsaride, ii, 502 
Pteropsaron, 
figure of, ii, 502 
Pterothrisside, ii, 46 
described, ii, 46 
Pterothrissus, ii, 46 
Pterophryne, 
figure of, i, 52 
pterygials, ii, 1 
Pterygocephalus, ii, 513 
pterygoid, i, 606 
Ptilichthyide, ii, 513 
Ptilichthys, 
figure of, ii, 514 
Ptychochelius, i, 164, 304; ii, 
169 
figure of, i, 162 
Ptychoderide, i, 465 
Ptychodus, i, 557 
Ptycholepis, ii, 26 
figure of, ii, 28 
ptychopterygium, i, 510, 512 
Ptychodus, i, 566 
pudding-wife, ii, 388 
pudiano, ii, 388 
puffer, inflated, 
figure of, ii, 420 
puffers, i, 206, 236; 
figure of, ii, 419, 420 
silver, ii, 419 
tiger, ii, 423 
pugnacity of fishes, i, 162 
pug-nosed eel, ii, 148 
figure of, ii, 149 
Putnam, i, 405; ii, 522 
Pycnodonti, ii, 13 
Pycnodontide, ii, 22 
Pycnodus, ii, 22 
Pygeide, ii, 405 
Pygeus, ii, 405, 410 
Pygidiide, ii, 185, 186 
Pygopterus, Ai, 14 
Pygosteus, li, 231 
pyloric caca, i, 26, 32 
Pyrosoma, i, 477 
Pyrosomide, i, 477 
quadrate, i, 606 
Quassilabia, li, 174 
Quensel, i, 396 
Querimana, ii, 222 
questions, 
by Agassiz, i, 284 
by Cope, i, 288 
quiescent fishes, i, 158 
quillfish, . 
the, ii, 513 
figure of, li, 514 
quinnat salmon, i, 150, 301; 
ii, 68, 73-76 
figure of, i, 3543 ii, 69, 79 
young male figured, i, 355 
rabbit-fishes, ° 
figure of, ii, 423 
Rabirubia, ii, 337 
Rachycentride, 
family of, ii, 282 
Rachycentron, ii, 470, 468 
figure of, li, 282 
Rafinesque, i, 395; ii, 315 
on imaginary garpike, i, 
364, 366 
ragfishes, the, ii, 285 
Ogilby on, ii, 285 
rainbow darter, ii, 315 
raibow trout, ii, 96-98, 100 
figure of, i, 326; ii, 98, 
99 
Raja, i, 72, 129, 391, 549 
figure of, i, 448, 552 
Rajide, i, 551, 553 
Ranicepitida, ii, 539 
Rangeley trout, ii, 109 
figure of, i, 326 
Raniceps, ii, 539 
Ranzania, i, 84, 412 
figure of, ii, 425 
Rapp, i, 411 
Rascasio, ii, 433 
ratfish, i, 564 
Rathke, i, 428; ii, 144 
rat-tail, i, 209; ii, 441, 540 
Ray, i, 390 
Tay, 1, 9, 24, 35, 117, 508, 
509; 549 
electric organs of, i, 186 
razor-back sucker, ii, 174 
figure of, ii, 175 
razor-fish, 
figure of, ii, 388 
recognition marks, i, 7, 231, 
232 
records of fishes, i, 433 
red charr, ii, 108 
red drum, 
figure. of, ii, 356 
redeye, ii, 168 
Redfield, i, 423 
redfin, ii, 166 
Redfieldius, ii, 16 
redfish, ii, 68, 324, 355, 388 
figure of, li, 389 
