732 
A spidophoroides, 700 
Aspidorhynchidae, 502 
Aspidorhynchus, 502 ; A. acutirostris, 502 
Aspius, 582 
Aspredinidae, 596, 575 
Aspredo, 596, 416 
Aspro, G59 
Asprotilapia, 672 
Asteracanthus, 445 
Asterolepidae, 534 
A sterolepis, S34 
Asterospondylic, 198 
Astroblepus, 595 
Astronesthes, 571, 570, 572; A. 
photophores, 178 
Asymmetron, 137, 129 ; distribution, 138 ; 
A. bassanum, 137; A. caudatum, 137, 
138 ; A. cingalense, 137; A. cultellum, 
137; A. hectori, 137; A. lucayanumn, 
137, 1388; A. maldivense, 137 
Ateleaspidae, 528 
Ateleaspis, 528, 530; A. tessellata, 528 
Ateleopus, 714 
A theresthes, 687, 685 
Atherina, 639, 640 
Atherinella, 639 
Atherinichthys, 641 
Atherinidae, 639, 637 
Atherinops, 639 
Atherinopsis, 639 
Atopochilus, 588 
Atrial cavity, 43, 44, 59, 68, 67 
Atriopore, 113, 115, 117 
Atrium, of Amphioxus, 113, 118, 121, 
135 
Atypichthys, 666 
Atyposoma, 666 
Auchenaspis, 329 
Auchenipterus, 589; A. nodosus, elastic- 
spring-apparatus, 358 
Auchenoglunis, 588 
Auditory organs, 387 f., 388; connexion 
with the air-bladder, 389, 390 
Audouin, 37 
Aulacocephalus, G59 
Auliscops, 632 
Auliscus, 631 
Aulolepis, 560 
Aulopus, 611 
Aulopyge, IS2 
Aulorhamphus, 668 
Aulorhynchidae, 637, 628 
Aulorhynchus, 631, 632 
Aulostoma, 632 ; A. coloratum, 632 
Aulostomatidae, 632, 628 
Aulostomatomorpha, 570 
Autostylic, 223 
Auzis, 678 
Azurina, 672 
niger, 
Badis, G58 
Bagarius, 588 
INDEX 
Bagrichthys, 588 
Bagrinae, 5SS 
Bagroides, 588 
Bagropsis, 588 
Bagrus, 588 
Balanoglossus, 3, 5 f., 24, 25, 28, 30 f., 
123 ; embryo, 8; history of name, 17 
Balanoglossus, 17, 5, 6, 13, 16; B. 
aurontiacus, 7,11, 15; B. biminiensis, 
18) 2) nis) Bs \elawigeris..6,. ries 
gigas, 5 
Balistes, 724, 264, 354 ; coloration, 174 ; 
scales, 190 ; sound production, 357 ; B. 
aculeatus, 357 ; B. capriscus, 724: B. 
vetula, 361 
Balistidae, 723, 652, 721, 163 
Ballowitz, 591 n 
Bancroft, 85 
Band-Fish, 662 
Barbels, 154 
Barbus, 582, 584; B. mosal, 584; B. 
tropidolepis, 583; lower pharyngeals, 
583; B. viviparus, 584 
Barilius, 582 
Barracudas, 642 
Barramunda, 558 
Barrois, 39 
Basking Shark, 453 
Bat-Fish, 720 
Bateson, 5, 6, 11, 14, 20, 30 n. 
Bathyagonus, 700 
Bathyclupea, 657, 656 
Bathydraco, 706 
Bathygadus, 647 
Bathylaco, 571 
Bathylagus, 566, 565, 569 
Bathylychnus, 971 
Bathymaster, G61 
Bathymyzon, 426 
Bathyoncus, 74 
Bathyonus, 712 
Bathypterois, G11, 613: B. dubius, 162, 
612; B. longipes, 613 
Bathysaurus, 611 
Bathythrissa, 548 
Bathytroctes, 570 
Batoidei, 457 f., 148 
Batrachidae, 770, 651, 704, 361; photo- 
phores, 179 
Batrachus, 711; B. tau, 711, 361 
Baudelot, 584 n. 
Bdellostoma, 423%; external characters, 
151; skull, 220, 221; pancreas, 273 ; 
gill-sacs, 282, 423; vascular system, 
515 n.; distribution, 423 ; habits, 423; 
egos, 424; B. stouti, 423 ; embryo, 425 
Bdellostomatidae, 423 
Belodontichthys, 588 
Belone, 638, 411; B. annulata, 638 
Belonesox, 616 
Belonoglanis, 588, 589 
Belonorhynehidae, 485, 488 
