730 



INDEX 



Agonus, 700 ; .1. mtaphractus, 700 



A'/ramiiiKS, 696 



Afirinpvs. 605 



Aidciy 6o9 



Ailia, 5SS ; air-blaiUer, 302 



^4 iliichthi^s, oSS 



Alpi'i-IifJii/s, 666 



Air-bladder, as an accessory respiratory 

 organ, 291 f.; Amia, 291 ; LepidosUiis, 

 291, 299 ; Snvh gigcts, 291 ; Eryth- 

 rinus taeniatus and Ji. braruliensis, 291 ; 

 Neoceratodus, 291, 300 ; Protoptems. 

 291, BOl, 302 ; Lepklosiren, 291 ; struc- 

 ture, 297 ; in different Fishes, 298 ; 

 "red bodies," 307 ; "red glands," 307, 

 308, 309 ; gases of the air-bladder, 309 ; 

 functions, 309 ; in locomotion, 310 ; as 

 a vocal organ, 35S ; connexion with the 

 auditory organ, 388, 389, 390 



Albula, 548, 541, 549 ; vestigial conus 

 arteriosus, 329, 548 ; A. conorhynchns, 

 54:8 ; lari'a, 548 



Albnlidae, 54-7, 544 ' 



Alburnus, 5S2 ; A. lucidus, 1G7, 583 



Alcock, 695 



Alder and Hancock, 38 



Alepidosauridae, 614, 606 



Alepidosaurns, 6I4 : A. ferox, 614 



Alepocephalidae, 569, 544 



Alepocephcdus, 570 ; A. rosiratus, 570 n. 



Aleposomus, 570 



Alesles, 575 



AlinientSty canal, of Hemichordata, 11, 

 25 ; of Tnnicata, 54, 67 ; of Amphioxns, 

 120 ; of Fishes, 252 f. ; regions, 252 ; 

 mesenteries, 258 ; histology, 259 f. ; 

 glands, 270 



Allabenchelys, 5S8 



AUis Shad, 564 



AUman, 22 n., 705 n. 



Alopecias vulpcs; 45 1, 452; spiral valve, 265 



Ahcteres, 7^4 



Aniarouciuvi, SS ; A. prolifemm, stomach, 

 88 



Ambassinae, 660 



Ambassis, 660 



AmUoplites, 657 



Amblyapisttts, 695 



Amblyopsidae, 61S, 361, 395, 606 



Amblyopsi.s, 618; A. spdaea, 166, 361, 

 618, 619 



Amblyopits, 689 



Aviblypharyngodon, 5S:'i 



Amblypteriis, 487 



Amia, 499, 149, 160, 262, 273, 274, 276, 

 283, 291, 393, 609 n. ; fossil, 501 ; A. 

 calm, 499, 500 ; scales, 189 ; vertebral 

 column, 201, 202, 203 ; skull, 228 ; 

 median fins, 235 ; pectoral tin, 243, 

 244 ; spiral valve, 268 ; psendobranch, 

 284 ; air-bladder, 297, 299, 310 ; heart, 

 328 ; arteries to air-bladder, 337 ; sen- 



sory canal, 385 ; nephrostomes, 401, 

 402 ; segmentation of ova, 409 ; distri- 

 bution and habits, 499 ; spawning, 600 ; 

 nest, 500, 501 ; larvae, 501 

 Amiidae, 490, 299, 497 

 Amiopsis, 501 



AmiuTus, 588, 261 ; liver and pancreas, 

 273 ; A. catus, rectal valve, 254 ; renal 

 portal system, 319 ; A. nebulosiis, 587 

 n., 592 ; A. nigrilabris, blind, 394 

 Ammocoetes, 4SS, 46, 262, 272, 280, 

 280 n., 327, 343, 428 ; metamorphosis, 

 429 ; protective value of the skin, 429 

 Ammocrypjta, 659 

 Ammodyies, 6S9, 275 ; ^4. lanceolahis, 



639 ; A. tobianus, 639 

 Ammodytidae, 639, 637 

 Ammopleuropis, 687 

 Ammotretis, 687 

 Amniota, I4S 

 Ampheristus, 695 



Amphioxns, llSf., 4, 37, 46, 110 ; general 

 characters, 113 ; external characters^ 

 114 ; anatomy, 116, 117 ; musculature,. 

 117 ; skeleton, 119 ; notochord, 119 ; 

 alimentary canal, 120 ; branchial bars, 

 122 ; endostyle, 123 ; coelom, 123 ; 

 vascular system, 124, 125 ; renal organs, 

 125, 127 ; nervons system, 127 ; sense- 

 organs, 128 ; gonads, 129 ; embryol6gy 

 and life-history, 130, 130, 131, 132, 

 133, 134, 135, 136 ; compared with 

 Hemichordata, 11 f., 16, 29 f. — see also 

 BranchinstomcL 

 Amphipnoidae, 595 

 Amphipnous, 598 ; respiratory air-sacs of, 



598 ; A. cuchia, 294, 598 

 Amphiprion, 672 

 Amphisile, 63S ; ^4. strigata, 633 

 Amphisilidae, 6:i3. 628 

 Amphistiidae, 6S4, 683 

 Amphistiiim, 6S4 ; A. paradoxum, 684 

 Amphistylic, 222, 223 

 Anabantidae, 645, 292, 637 ; distribution 



of, 645 

 Anabas, 645, 355 ; .1. scanclens, 645 ; 



labyrinthiforni organ, 293 

 Anableps, 616, 419 ; intromittent organ, j 



414 ; development of embryos iu ovi- 

 sacs, 418 ; A. tetrophthalmus, 617 

 Anacanthini, 646 f., 543, 702, 703 

 Anacyrtus, 575 

 Anadromous, 413 

 Anallantoidea, 145 

 Anamniota, 145 

 Anampses, 673 

 Anajjtcrus, 611 

 Anarrhichas, 709 ; teeth, 251 ; ^4. litpus, 



710 ; eggs, 408 

 Anaspida, 531 t, 149 

 Anchinia, 96, 100 ; A. rubra, 100 ; poly- 

 morphism, 100 



