Index 



567 



Dipnoi, i, 77, 85, 89, 382 

 Diptera, ii, 306 

 Dipteridae, i, 612 

 Dipterus, i, 612 



figure of, i, 437, 449 

 Discobatis, i, 553 

 Discocephali, ii, 459-480 



Gill on, ii, 470 



suborder of, ii, 468 

 diseases of fishes, i, 340-358 



contagious, i, 340 



parasitic, i, 342 



remedies for, i, 342 

 Dismal Swamp fish 



figure of, i, 116; ii, 201 

 dispersion of fishes, 



Agassiz on, i, 284 



barriers to, i, 297, 310, 311 



causes of, i, 318 



Cope on, i, 286 



by floods, i, 301 



of fresh-water fishes, 282- 

 296 



of river fishes, 297-319 

 dissection of the fish, i, 26-33 

 Distomidae, i, 477 

 distribution of fishes, 



affected by coast line, i, 

 247, 261 



agency of currents in, i, 242 



centers of, i, 243 



determined by tempera- 

 ture, i, 241 



of fresh-water forms, i, 249 



general laws of, i, 238 



of marine forms, i, 245 



Panama, barrier to, i, 266 



of shore fishes, i, 263-265 



Suez, barrier to, i, 266 



zones of, i, 249, 251, 252 

 Ditrema, ii, 375 

 Dittodus, i, 521, 525 

 doctor-fish, ii, 408 

 Doderlein, i, 411, 416 

 dogfishes, i, 519 



figure of, i, 545 

 dogoro, ii, 381 

 dog salmon, .ii, 71-73, 80, 



81 



dog snapper, ii, 336 

 Dolichoglossus, i, 463 

 Doliolum, i, 479 

 dollar-fish, ii, 283 

 Dollo, i, 415, 427, 600, 601; 

 ii, 502 



portrait of, i, 413 



on tail forms, i, 84 

 Dolloa, ii, 541 



Dolly Varden trout, i, 305; 

 ii, 112, 113 



figure of, i, 327; ii, 114 

 dolphins, i, 210; ii, 286, 362 



figure of, ii, 287 



Doncella, 



figure of, i, 297; ii, 180, 396 

 Donovan, i, 410 

 dorados, ii, 286 



figure of, ii, 287 

 Doras, ii, 183 

 Doratonotus, ii, 388 

 Dormeur, 



figure of, ii, 460 

 Dormitator, 



figure of, ii, 461 

 dorsal fin, i, 10, 603 



figured, i, 49 

 Dorosoma, i, 32, 300 



figure of, ii, 53 

 Dorosomatidae, ii, 53 

 Dorosomidae, i, 290 

 Doryichthys, ii, 236 

 Dorypteridee, ii, 14-16 

 Dorypterus, ii, 15, 16 

 Draciscus, 



figure of, ii, 452 

 Draconetta, ii, 506 

 Draconettidae, ii, 506 

 dragonets, i, 246; ii, 504 

 drawing net at Milo, 



photograph of, i, 281 

 Drepane, ii, 401 

 Drepanaspidae, i, 574 

 Drepanaspis, i, 570 



figure of, i, 574 

 Drepanidae, ii, 401 

 Drepaniodus, i, 488 

 drum, i, 290 



figure of, ii, 358 

 duck-billed eels, ii, 150, 151 

 Ductor, ii, 278 

 ducts, i, 28 



ductus cholidechus, i, 32 

 Dufosse, 



on air-bladder, i, 97 

 Duges, i, 90, 420 

 Dugunonutatatori, ii, 472 

 Dumeril, i, 398, 401 

 duodenum, i, 32 

 Dussumieriidae, ii, 52 

 Dussumieria, ii, 52 

 Duverncy, i, 390 

 Duymaeria, i, 260; ii, 390 

 dwarf, 



herring, ii, 54 



perch, ii, 306 



salmon, ii, 117 



sunfish, ii, 467 

 Dybowsky, i, 411 

 Dynatobatis, i, 553 

 Dysommida?, ii, 150 

 Dytiscus, ii, 144 



eagle ray, 



figure of, i, 558 

 early writers on fishes, i, 272, 

 422, 423 



earliest sharks, i, 436, 443 

 ear of fish, i, 119-121 

 ear sac, i, 119, 120 

 ear stones, i, 119 

 earthquakes, 



fatal to fishes, i, 356; ii, 137 

 Eastman, i, 427, 428 



on Cestraciont shark, i, 529 



on Clastes, ii, 32 



on Neoceratodus, i, 619 



portrait of, i, 425 



on teeth of Edestus, i, 530 

 Ebisu, the god of fishes, ii, 344 



figure of, ii, 343 

 Ebisus, ii, 323 

 Echeneididae, ii, 468, 470 

 Echeneis, i, 391; ii, 468, 470, 



47.1 



Echidna, i, 211; ii, 152, 153 

 Echidnocephalus, ii, 138 

 Echinorhinidse, 



family of, i, 547 

 Echinorhinus, i, 547 

 Echiodon, i, 84 

 economic fishes, i, 333 

 ectoblast, i, 152 

 ectocoracoid, i, 87 

 ectoderm, i, 139 

 ectopterygoid, i, 606 

 Edaphodon, i, 565 

 Edestus, 



teeth of, figured, i, 529 

 eel-back flounder, 



figure of, ii, 494 

 eel-fairs, ii, 142 

 eel-like fishes, ii, 137-158 

 eel-mother, ii, 144 

 eel-pouts, 



figure of, ii, 518, 519 

 eels, i, 21, 210, 217, 268, 290; 

 ii, 40, 44, 147, !53, 157 



Cope on, ii, 139 



Giinther on, ii, 141 



larva of, figured, ii, 148 



migration of, ii, 142 



reproduction of, ii, 143 



species of, ii, 148 



shoulder-girdle in, ii, 142 



Woodward on, ii, 140 

 effects on distribution, 



of shore line, i, 262 



of temperature, i, 149 

 Egerton, i, 423 

 Egertonia, ii, 396 

 eggs of fish, 



artificial impregnation of, 

 i, 150 



of bottle-nosed chimaera, i, 

 127 



care of, i, 128 



carrying of, i, 128, 171 



of Embiotocidae, i, 127 



embryo of, i, 128 



