INDEX 
Echidna, 605 
Echidnocephalus, 624 
Echinorhinus, 455 ; E. spinosus, 456 
Echiostoma, 571 . 
Eeteinascidia, 71 
Edaphodon, 474 
Edinger, 271 
Eels, 599 f., 601 f., 163, 405 
Eel-Fares, 602 
Egertonia, 67 4 
Eggs, of Hemichordata, 20, 26; of Tuni- 
cata, 55, 738, 84, 97, 106; of Amphi- 
oxus, 130; of Fishes, 408 f., 423, 424, 
428, 432, 433, 435, 456, 470, 471, 494, 
504, 510; alecithal and telolecithal, 410; 
holoblastic and meroblastic segmenta- 
tion, 409, 410; micropyles, 411, 412; 
deposition, 411; attachment, 411, 424, 
433, 434; demersal and pelagic, 411, 
412 ; spawning, 412 ; relative fecundity, 
412; fertilisation, 413; sexual rela- 
tions, 413; sexual congress, 414, 427, 
428, 432; time of hatching, 417, 433, 
494, 500, 504 ; intluence of temperature, 
417; of Aspredo, 596; of Batrachus 
tau, 711 
Ehrenbaum, 685 n. 
Eigenmann, 602 n., 619 n., 670 n. 
Higenmannia, 579 
Elacate, 678 
Elaeoblast, 107, 107 
Elasmobranchii, 437 f., 148 
Elasmodus, 474 
Elassona, 657 
Electric, Cat-Fish, 591; Eel, 580, 365 f. ; 
Rays, 462; Mormyridae, 550; organs, 
365 f. 
Eleginops, 706 
Eleotris, 689 ; E. marmorata, 689 
Ellipesurus, 465 
Elonichthys, 487 
Elopidae, 546, 544 
Elopopsis, 547 
Elops, 547; E. lacerta, 547; E. saurus, 
547 
Elvers, 602 
Eimbiotoca, G70 
Embiotocidae, 670, 654, 418, 419 
Embolichthys, 705 
Embryology (development), of Hemichor- 
data, 18; of Tunicata, 55; of Amphi- 
oxus, 130; of Fishes, 417 
Embryonic nutrition ; food-yolk, 409, 417; 
ovarian secretion, 419; oviducal or 
uterine secretion, 434, 435; placentas, 
98, 101, 107, 434 
Emery, 622, 623, 685 n., 714 n. 
Emmnion, 709 
Eimpetrichthys, 616 
Encheliophis, 625 ; E. vermicularis, 625 
Enchelycore, GOS 
Enchodontidae, 608, 606 
Enchodus, GO9 
End-buds, 383 
Endostyle, 46, 53, 58, 67 ; of Amphioxus, 
122 
Engraulinae, 463 
Engraulis, 563 ; E. encrasicholus, 564 
Enneanectes, 709 
Entero-epicardiac budding, 82 
Enteropneusta, 5 f., 30 n.; distribution, 
5, 6; coloration, 7; habitat, 6, 7; 
divisions of body, 7 ; burrowing, 7; 
body-cavities, 8 ; body-wall, 9 ; nervous 
system, 9; alimentary canal, 11; vas- 
cular system, 15; excretion, 15 ; repro- 
ductive organs, 16; regeneration, 16; 
development, 18 f. 
Entersphenus, 426 
Eocottus, 698 
Eothynnus, 678 
Epapterus, 589 
Ephippion, 726 
Ephippus, 668 ; LE. faber, 668 
Epibulus, 673 
Epicardiae budding, 81 
Epicardium, 44, 60, 71, 83 
Epigonus, 659 
Epinephelus, 659, 660 
Epinnula, 679 
Epipharyngeal groove, 123 
Lques, 663 
Lquula, 663 
Ervemophilus, 589 
Exvetmodus, 672 
Ereunias, GIS 
Erythrininae, 575 ; 
Erythrinus, 575, 578; air-bladder, 305, 
306; 2. taeniatus, E. braziliensis, air- 
bladder as a respiratory organ, 291 
Esocidae, 609, 606, 275 ; distribution, 610 
Esox, 609; teeth, 250, 262; 4. lucius, 
609, 307; skeleton, 609; #. nobilior, 
609 ; E. lepidotus, 610 
Essence orientale, 585 
Esunculus, 548 
Ltelis, 660 
Etheostoma, 659 
Etroplus, 672 
Etrumeus, 563 
Euvanemus, 359 
Eucalia, 630 
Euchilichthys, 588, 587 
Eueirrhichthys, 582 
ELugnathichthys, 576 
Eugnathidae, 498, 497 
Eugnathus, 499 
Eugyra, 77, 78; EH. glutinans, 79; £. 
kerquelenensis, branchial sac, 77 
Eukeraspis pustulifera, 529 
Eumeda, 588 
Euoxymetopon, 679 
Euphanerops, 532 
Eupleurogramimus, 679 
