5 68 



Index 



eggs of fish, 



fertilization of, i, 125 



figures of, i, 127 



germ disk in, i, 135 



hatching of, i, 125 



of herring, i, 125 



month incubation of, i, 170, 

 171 



transportation of, i, 171 

 Eichwald, i, 411, 427 

 Eigenmann, i, 415, 420; ii, 

 147, 148, 376 



on blind fishes, i, 117, 221, 

 222; ii, 202, 523 



on Nematognathi, ii, 178 



photograph by, i, 222 



portrait of, i, 417 

 Eigenmannia, ii, 187 

 eighteen-spined sculpin, 



figure of, ii, 447 

 Ekstrom, i, 410 

 Elacate, ii, 282, 470, 471 

 Elagatis, ii, 274 

 Elanura, 



figure of, ii, 444 

 Elasmobranchiates, i, 384 

 Elasmobranchii, i, 462, 507, 



5 8 4; ii, 7 

 Elasmobranchs, i, 92, 102, 



204, 506-522, 571, 583, 



588, 589 



characters of, i, 506-508 

 classification of, i, 507-510 

 ear sac in, i, 120 

 geological distribution of, 



i, 459 



notochord in, i, 57 



subclass of, i, 507 

 Elassoma, i, 290; ii, 296, 307, 

 467 



figure of, ii, 295 

 Elassomidae, i, 290; ii, 296 



family of, ii, 295 

 elastic spring, i, 96 

 Elater, i, 582 

 electric catfish, 



figure of, ii, 183 

 electric cells, i, 553 

 electric eel, i, 186; ii, 140 



Day on, i, 170 



electric organs, i, 25, 186, 187 

 electrophores, ii, 187, 188 

 Electrophoridae, ii, 187 

 Electrophorus, i, 170, 186 

 Eleotrids, ii, 460 

 Eleotris, i, 254 



figure of, ii, 460 

 Elera, i, 414 

 Eleginus, ii, 537 

 elephant sharks, i, 540 



figure of, i, 565 

 Elliott, 



on trout, ii, 105 



Elonichthys, ii, 14 

 Elopidae, i, 43; ii, 35, 41-44 

 Elopopsis, ii, 43 

 Elops, i, 205, 393; ii, 43, 221 



figure of, i, 454; ii, 42 

 Embiotoca, i, 404 

 Embiotocidae, i, 207, 290; ii, 



373 



Agassiz on, i, 377-379 



anal fin in, i, 125 



viviparity of, i, 376, 377 

 Emblemaria, 



figure of, ii, 510 

 embryo, i, 136, 138, 139 

 embryology and growth, i, 



I3I-I5 1 

 Embolichthys, ii, 522 



figure of, ii, 521 

 emerald-fish, ii, 462 

 Emery, i, 412; ii, 480, 481 

 Emmelichthys, i, 262 ; ii, 346, 



347 

 Emmydrichthys, 



figure of, i, 180; ii, 436 

 Empetrichthys, 



figure of, ii, 199 

 Empo, ii, 137 

 Enantioliparis, ii, 455 

 Enchelurus, ii, 138 

 Enchelycephali, ii, 140, 141, 



147, 152 



suborder of, ii, 142 

 Enchelynassa, ii, 153 

 Enchelyopus, 



figure of, ii, 539 

 Enchodontidae, ii, 136, 137 

 Enchodus, ii, 136 

 Endoskeleton, i, 439 

 Enedrias, ii, 512 

 Engraulididae, ii, 54 

 Engraulis, i, 205; ii, 54 

 Enneacanthus, ii, 301 

 Enophrys, 



figure of, ii, 443 

 Enoplosidae, ii, 317 

 Enoplosus, i, 268; ii, 317 

 Enteropneusta, i, 457, 461, 

 462 



classification of, i, 464 

 entoderm, i, 138 

 Entosphenus, i, 490 

 entozoa, i, 348 

 Eocottus, ii, 449 

 Eomyrus, ii, 150 

 Eopsetta, i, 205; ii, 491 

 Eothynnus, ii, 266 

 Epelasmia, ii, 397, 398 

 Eperlanus, ii, 123 

 Ephippidae, ii, 400 

 Ephippus, i, 268; ii, 400 

 epiblast, ii, 5 

 Epigonichthys, i, 483 

 Epigonus, ii, 317 



Epinephelus, i, 19; ii, 323, 

 33 



figure of, i, 20; ii, 324-326, 



328 

 Epiphysis, i, 112 



figure of, i, 1 1 1 

 Eptatretidae, i, 489 

 Eptatretus, i, 490 



figure of, i, 198 

 equatorial fishes, 



specialization of, i, 248 

 equatorial zone, i, 251 

 Eques, ii, 357 

 Equula, ii, 287 

 Erebus, i, 408 

 Ereunias, 



figure of, ii, 450 

 Ereuniidae, ii, 449 

 Ericymba, 



figure of, ii, 165 

 Erimyzon, i, 292; ii, 175 



figure of, i, 315; ii, 172 

 Eriptychius, i, 435, 603, 578 

 Erisichthe, ii, 34 

 Erismatopteridae, ii, 242, 296 

 Erismatopterus, ii, 243 



figure of, ii, 242 

 Ernogrammus, ii, 513 

 Erosa, ii, 436 

 Erpetichthys, i, 204 

 Erpetoichthys, i, 450 



figure of, i, 608 

 Erpichthys, i, 608; ii, 510 

 Erythrichthys, ii, 347 

 Erythrinidae, ii, 162 

 Erythrinus, ii, 160 

 escolars, ii, 267, 317 

 Esmarck, i, 410 

 Esmeralda, ii, 462 

 esmeralda de mar, 



figure of, ii, 461 

 Esocidae, i, 290; ii, 190, 



192 



Esox, i, 109, 253, 315, 327, 

 391; ii, 190, 194 



figure of, i, 328; ii, 192 

 Etehs, i, 262; ii, 338 



figure of, ii, 337 

 Etheostoma, i, 129, 283; ii, 

 3io, 315 



figure of, i, 231; ii, 314 

 Etheostominae, i, 230, 232; 



ii, 166, 306, 307, 310 

 ethmoid, ii, 142 

 Etmopterus, 



figure of, i, 189, 546 

 etrumei-iwashi, ii, 52 

 Etrumeus, ii, 52 

 Eucalia, ii, 232 

 Eucitharus, 



figure of, ii, 488 

 Eucinostomus, ii, 347 

 Eugnathidae, ii, 26 



