INDEX 



Figures given in thick type refer to the systematic position. 

 /. refers to an illustration. All the numbers refer to pages. 



Abeona, 446 

 Abramis, 375 

 Acanthaphritis, 456 

 Acanthaspis, 263 ; A. 



decipiens, 263 /. 

 Acanthias,5, 10 /., 71,122, 



127 /., 128, 151, 152 ; 



A. vulgaris, 9 /., 14 /'., 



58/., 77/.,129/.,152/'., 



360 /. 



Acanthobatis, 161 

 Acanthocepola, 431 

 Acanthocybiiim, 465 

 Acanthoderma, 437 

 Acanthodes, 188 /., 190, 



191, 192 ; A. gracilis, 



187 /., 192 /.; A. sul- 



catus, 192/. ; .4. Wardi, 



191 /. 



Acanthodi, 187 

 Acanthodidae, 192 ; skull, 



190/. 



Acanthvdopsis, 192 

 AcanthoessHs, 192 

 Acantkoplenrus, 437 

 A cant hops is, 376 

 Acanthopterygii, 424 

 Acantlmridae, 435 

 Acant/tnnis, 436 ; A. leu- 



costernum, 436 /. 

 Acara, 446 

 J centroplwr u .v, 336 

 Aceratins, 462 

 Acerina, 368, 443; .4. 



cernua, 443 

 Acestra, 384 

 Achims, 474 

 Acipenser, 94 /., 108 /., 



117, 133/., 212/., 224, 



277, 305 /., 307, 315 /".. 



316, 318, 319, 367/., 369; 



A ruthemis, 304 /., 



306 /., 320 /. ; A.sturio, 



110 /., 274 /., 303 /., 



308/'., 319/. 



Acipeuseridae, 318 



Acipenseroidei, 315 



^m*ft<s, 144, 146 



Acrogaster, 427 



Acrognathus, 399 



Acrolepis, 311 



Acropoma, 441 



Acropomatidae, 441 



Acrotus, 421 



Actinopterygii, 302 



actiuotrichia, 273 



adipose fin, 275 



Aeobatis, 166 



Aetlidion, 371 



Aetheolepis, 336 



Agonidae, 450 



Agonus, 451 



Agriopus, 450 



Aipichthys, 432 



air-bladder, 223, 359 ; 

 auditory caeca, 360 ; cal- 

 cified, 289 ; bony, 377 



^Jttto, 347, 349, 363, 388 ; 

 yl. conorhynchus, HO/"., 

 348 /., 349 /., 350 /. 



Albulidae, 387 



Alburnus, 375 



Alepidosauridae, 399 



Alepiitosaurus, 399 ; J. 

 /eroa-, 400/. 



Alepocephalidae, 394 



Alepocephalus, 394 



AleposaurKs, 394 



Aleposomi's, 394 



Alestes y 375 



alimentary canal, 26 



Allolepidodus, 331 



Allotriogmathi, 475 



AlopocitiSi 150 ; ^4. vnlpes, 

 150/. 



Alopias, 150/. ; A. wipes, 

 HO/., 116. /: 



Alosa, 133/. ; ^4. rulgaris, 

 362 /. 



Alticns, 458 



505 



Aluteres, 437 



Ambassis, 431 



Amblyopsidae, 401 



Amblyopsis, 401; ^4. 

 spdaeim, 402 /. 



Amblyptenus, 212, 311 



-4ia, 17, 101, 108 /., 

 224 /, 226, 227, 266, 

 270, 272, 276, 277, 278, 

 296, 302, 305 /., 316/., 

 324, 326, 327, 328, 329, 

 330, 333, 334, 342, 346, 

 363, 367 /., 369; ^. 

 cafoa, 110 /., 222 /., 

 267 /., 268 /., 269 /., 

 270 /., 271 /., 274 /., 

 276/., 306 /., 328, 332/., 

 333 /. 



Amiidae, 333 



Amioidei, 327 



Amiopsis, 334 



Amiurns, 379, 380 



Ammocoete larva. See Pe- 

 troiiiyzon 



Ammodytes, 403 ; A.ameri- 

 canus, 403 /. 



Ammodytidae, 403 



A mmotretis, 474 



Ampheristits, 450 



Amphioxus, 1, 2, 2/., 3, 4, 

 7, 13, 18, 19,25, 26, 27, 

 39, 42, 46, 47, 51, 52 



Amphipnoidae, 409 



Amphipnoiis, 410 



Amphiprion, 446 



Amphisile, 414; .1. *OM- 

 tata, 414 /. 



Amphisilidae, 413 



Amphistiidae, 469 



A mphistium, 469 ; J . para 

 doxum, 470/. 



amphistylic jaws, 95, 139, 

 144 



ampullae, 19, 125 



Anabautidae, 422 



