788 
suborder, 
Rhegnopteri, 439 
Rhine, 204 
Salmopercee, 456 
Selenichthys, 458 
Synentognathi, 425 
Teeniosomi, 682 
Xenopterygli, 737 
Zeoidea, 460 
sucker, 390 
California, 393* 
carp, 391 
common, 393* 
Oregon, 394 
razor-back, 394* 
sucking-disks, 70 
sucking-fish, 69*, 679* 
Suletind watershed, 115 
Sunapee trout, 332* 
sunfishes, 512 
banded, 514 
blue-green, 24, 25%, 564* 
common, 6*, 12%, 516 
long-eared, 1, 2*, 3*, 515 
pigmy, 511 
Surface, 
on lampreys, 172 
photo by, 177* 
surf-fishes, 586, 588* 
surgeon-fishes, 618 
lancet of, 53 
surmullets, 565-578 
golden, 566* 
swallowers, 574 
swampy watersheds, 123 
sweetfish, 338 
swell-toad, 634 
swordfishes, 71, 484, 485* 
Owen on, 485 
swordtail-minnow, 418* 
Syacium, 698* 
Symbranchia, order of, 363 
Symphurus, 708 
Synanceia, 82*, 645 
Synaphobranchus, 368* 
Synechodus, teeth of, 188 
Synentognathi, 424-431 
suborder of, 425 
Syngnathide, 451 
Tzeniosomi, 670-690 
Tahoe trout, 136*, 327* 
tai fishing, 147* 
tangs, 618 
target-fish, 464 
tarpon, 270* 
tarwhine, 558 
tautog, 596%, 597* 
Tautoga, 596*, 597* 
Tectospondyli, order of, 200 
teeth 
of Ceratodus, 240* 
of Cestraciont sharks, 188* 
Index 
teeth 
of chimeras, 219 
of Corax, 200* 
of Heptranchias, 185* 
of Isurus, 195* 
of Janassa, 211* 
of Lamna, 194* 
of Polyrhizodus, 212* 
peculiarities of, 73 
Teleostei, 
class, 224 
subclass of, 264 
temperature, affecting dis- 
tribution, 95 
tench, 387 
tenguzame, 192* 
ten-pounder, 269* 
tessellated darter, 527* 
Tetradontide, 630 
Tetragonuride, 506 
Tetraodon, 55*, 98*, 633* 
Teuthis, 53*, 618%, 619* 
Thaleichthys, 129, 347* 
Theragra, 742* 
thick-lipped surf-fish, 588* 
thimble-eyed mackerel, 476 
thread-eel, 15%, 155*, 371* 
jaws of, 371* 
threadfin, shoulder-girdle of, 
440* 
threadfish, 491 
three-spined stickleback, 447* 
thresher-shark, 193 
Thymallide, 343 
Thymallus, 137*, 343*, 345* 
tide-pool fishes, 46 
tide-pools of Misaki, 47* 
tile-fish, 575 
toadfishes, 735 
leopard, 735* 
poison, 736 
tomcod, 743* 
tongue-fishes, 708 
top-minnows, 417 
torabuku, 634 
torpedo, 58*, 402* 
torpedoes, 210 
torsk, 744 
totuava, 568 
Toxotide, 611 
Trachicephalus, 649* 
Trachichthyide, 467 
Trachinide, 710 
Gill on, 710 
Trachinotus, 492* 
Trachurus, 489* 
Trachypterida, 687 
Trachypterus, 688* 
transitional groups, 456-464 
tree-climbing fish, 49 
treefish, 642 
Trichiurus, 483 
Trichodon, 578* 
Trichodontide, 578 
Trichonotidz, 716 
trigger-fishes, 56*, 623* 
Triglide, 667 
Triglops, 65 4* 
Triodontide, 629 
triple-tails, 545 
tropical fishes, variety of, 
142 
Tropidichthyide, 632 
trout, 312 
black-spotted, 318 
brook, 333 
of Colorado River, 329* 
cutthroat, 325 
Dolly Varden, 336, 337 
Great Lake, 337* 
green-back, 328 
heterocercal tail of, 696* 
Kamloops, 324 
Malma, 336 
rainbow, 320 
Rangeley, 331* 
red-throated, 325 
Rio Grande, 329* 
speckled, 333* 
steelhead, 319 
Sunapee, 332* 
Tahoe, 327* 
of Western America, 319 
yellowfin, 328 
trout-perches, 456 
trout-worm, figured, 326 
trucha, 534 
true 
eels, 364 
mackerels, 474 
perches, 519 
sharks, 180-217 
trumpet-fishes, 448, 449* 
trunkfishes, 626 
Tuna, 477 
tunny, 477 
turbot tribe, 697 
Twin Lakes, trout of, 328 
Two-Ocean Pass, 116 
described by Evermann, 
117 
Tylosurus, 426* 
Typhlichthys, 420* 
ulchen, 129*, 347* 
Umbra, 412* 
Umbrina, 571* 
Undina, 231* 
unicorn-fish, 620 
upland fishes, 120, 121 
upper jaw, of Neoceratodus, 
241* 
upper pharyngeals, of Indian 
parrot-fish, 604* 
Uranidea, 656* 
Uranoscopide, 713 
