INDEX 



439 



Bass, pelvic fin, 80; scales, 91 ; teeth, 



128 

 Bat-fish, 93, 213; form of body, 15; 

 hne and bait, 71 ; pectoral fin, 79; 

 tubercles, 93,9?; at surface, 205 ; 

 systematic position, 379 

 Bathypelagic fishes, 253 

 Bathypterois, pectoral fin, 79 

 Batoidea, 376 



Batrachoididae, 379; see also Toad- 

 fish 

 Beam-trawl, 390, 39 ^ ^^ 

 Becune, see Picuda 

 Belone, 314; see also Gar-fish 

 Belonidae, 377 

 Belonorhynchidae, 354 

 Berv'coids, 362, 378 

 Berycomorphi, 378 

 Beryx, colours, 207 

 Betta, see Fighting-fish 

 Bichir, 64; air-bladder, 50; caudal 

 fin, 60; dorsal fin, 64, 69; scales, 

 88, 89; skull, 160; spiral valve, 

 171; external gills, 43, 44, 32; 

 ancestry, 355 f. 

 Binocular vision, 188. 

 Binominal nomenclature, 371 

 Bishop-fish (mythical), 428 

 Bitter Lakes, fishes, 258 

 BitterUng, 309 ; breeding, 308 f. 

 Black Bass, cultivation and mtro- 



duction, 409 f. 

 Black-finned Trout, 366 

 Black-fish, 73, 240, 284; eflfects of 



cold, 240 

 Black Goby, 82; eggs, 319 

 Black-mouthed Dog-fish, mcuba- 



tion period, 324 

 Black Sea Turbot, 93; tubercles, 92 

 Black-tail, 370 

 Blastula, 323 

 Bleak, effects of heat and cold, 241 ; 



scales, 401 

 Blenniidae, see Blenny 

 Blennioidea, 379 ^ o 



Blenny, 379; Pe^^i^ "^^' ^^' 

 canine teeth, 133; care of eggs, 

 310; eggs, 323; viviparous forms, 



327 

 Bhnd-fishes, 188, 232 f. 

 Blind Goby, 233, 235 

 Bloater, 396, 398 

 Blood, 40, 1 73 



Blue-back Salmon, 286 f.; head of 



male, 282 

 Blue-fish, 130, 131 

 Blue Shark, 56, 211; form of body, 



14; feeding, 15; teeth, 122; 



colours, 210; systematic position, 



376 

 Boar-fish, sounds, 155; systematic 



position, 378 

 Bombay Duck, 150, 399 

 Bone, 161 

 Bonito, 10; form of body, 10; caudal 



fin, 26; speed, 29; finlets, 69 

 Bony Fish, 6; gills, 38 f.; pectoral 

 fins, 75 f.; scales, 88 f.; jaws, 107; 

 mouth, 108; teeth, 127 f.; skull, 

 160 f.; brain, 178 f.; optic nerves, 

 180; nasal organs, 182; pineal 

 gland, 190; lateral line, 200 f; 

 eggs, 321 f. ; origin, fossil forms, 

 353 f.; classification, 376 f. 

 Bornean Sucker, 82; paired fins, 81; 



adhesive disc, 239 

 Borophryne apogon, 231 

 Bothriolepis, 349 f. 



Bothus, colour changes, 221 ; second- 

 ary sexual characters, 301; B. 

 podas, 300 

 Bow-fin, 25, 64; locomotion, 26; 

 air-bladder, 50; caudal fin, 60; 

 scales, 199; pharyngeals, 129; 

 spiral valve, 171; colour of male, 

 299; parental care, 305 f.; seg- 

 mentation of egg, 323 f.; larval 

 cement organs, 332; ancestry, 

 360 f.; systematic position, 377 

 Box-fish, see Trunk-fish 

 Brain, 177 f. 



Bramble Shark, 376; dermal den- 

 ticles, 85, 86 

 Branchial arch, 35 f. 

 Branchial basket, 37 

 Branchial chamber, 38 

 Branchial groove in Ammocoetes, 331 

 Branchial lamella, 36 

 Bream, 101; tenacity of life, 44; 

 lateral line, 100; mouth, 117; as 

 food, 384 

 Breathing, see respiration 

 Breeding, 279 f. 



Breeding ground of Eel, 291 f. 337 

 Bregmaceros, see Dwarf Cod-fish 

 Brevoortia, see Menhaden 



