INDEX. 



Abdo^hnal Cavity, 123 

 Abduininal fins, 42 

 Abraniis, 602 

 Abrostomus, 596 

 Acanthaphritis, 466 

 Acanthias, 331 

 Acauthicus, 576 

 Acanthobrama, 604 

 Acanthoclinus, 498 

 Acantliodes, 355 

 Acanthodini, 355 

 Acantholabrus, ' 528 

 Acaiitlionus, 547 

 Acanthoplitlialinus, 606 

 Acanthopsis, 606 

 Acanthopterygiaii, 41 

 Acanthopterygii, 374 

 Acantlioi'hodeus, 601 

 Acantliuriis, 438, 439 

 Acanus, 421 

 Acara, 536 

 Acclimatisation, 185 

 Acentronnra, 683 

 Acerina, 378 

 Acestra, 579 

 Acliilognathus, 601 

 Acipenser, 361 

 Acipenseridje, 360 

 Acrocliilus, 601 

 Acrocliordoniclitliys, 567 

 Acrodus, 330 

 Aci'ogaster, 421 

 Acrognathus, 631 

 Acrolepis, 870 

 Acronuridae, 438 

 Acrouurus, 439 

 Acropoma, 395 

 Acypriiioid division, 218 

 Adipose eye-lid, 113 

 Adipose tin, 42 

 Aegeeonichthys, 476 

 Aellopos, 325 

 Aelurichthys, 569 

 Aesopia, 558 

 Aetobatis, 345 

 African region, 227 



Agassiz, 20, 31, 32 

 AgeniosuR, 572 

 Agnus, 463 

 Agouiates, 610 

 Agonostoma, 504 

 Agonus, 480 

 Agrammus, 491 

 Agriopns, 416 

 Ailia, 566 

 Aipichtliys, 441 

 Air-bladder, 142 

 Akysis, 567 

 Albacore, 458 

 Albinism, 183 

 Alborella, 604 

 Albula, 660 

 Albuliclithys, 596 

 Alburnus, 603 

 Alepoceplialus, 664 

 Alestes, 608 

 Ale-wife, 659 

 Alisphenoid, 56, 88 

 Allice Shad, 659 

 Alopecias, 322 

 Ambassis, 393 

 Amblyopsis, 618 

 Arablyopus, 489 

 Arablypharyugodon, 598 

 Amblypterus, 370 

 Amblyrhvnchiclithys, 596 

 Aniia, 372 

 Amioidei, 370 

 Amiurus, 567 

 Ammocoetes, 693 

 Ammodytes, 550 

 Aramopleiirops, 559 

 Ammotretis, 557 

 Amphioxus, 696 

 Amphipnous, 668 

 Aniphiprion, 525 

 Ampliisile, 509 

 Amphistium, 442 

 Anabas, 516 

 Anableps, 617 

 Anacanthini, 537 

 Anacanthus, 684 



Anacyrtus, 611 

 Anal fin, 40, 42 

 Anarajwes, 529 

 Anapterus, 582 

 Anarrhichas, 492 

 Anastomus, 608 

 Anchovy, 656 

 Ancistrodon, 319 

 Ancylodon, 430 

 Anema, 463 

 Anenchelum, 433 

 Angel-fish, 334 

 Angler, 470 

 Angiiilla, 671 

 Angular bone, 54, 91 

 Anomalops, 449 

 Anoplogaster, 422 

 Antarctic ocean, 289 

 Antennarius, 473 

 Anthias, 380 

 Anticitharus, 556 

 Antigonia, 449 

 Aphanojius, 434 

 Aphareus, 390 

 Aphoristia, 559 

 Aphredoderus, 396 

 Aphritis, 466 

 Aphyocharax, 610 

 Aphyocypris, 598 

 Ai^hyonus, 548 

 Apiouiclithys, 559 

 Apistus, 415 

 Aploactis, 417 

 Apocryptes, 487 

 Apodichthys, 496 

 Apogon, 394 

 Apophyses, 51 

 Appendices pyloric^, 131 

 Apr ion, 397 

 Apsilus, 397 

 Apua, 606 

 Arapaima, 654 

 Archffius, 442 

 Archipterygium 74 

 Arctic ocean, 261 

 Arctic zone, 241 



