INDEX 



Words in italics arc names of genera or species; figures in thick 

 type refer to an illustration; f.= and in following page or pages. 

 Specific names have not been included. 



Albacore, blood, 173 



Albinos, 228 f. 



Albula, see Lady-fish 



Albulidae, 377 



Alburnus, see Bleak 



Alepidosaurus, see Lancet-fish 



Alepocephalidae, 377 



Alestes, 273 



Alevin, 329 



Alimentary canal, 1 68 f. 



Alligator Gar Pike, feeding, 1 1 2 



Allis Shad, 73; gill-rakers, food, 39, 



Allotriognathi, 117, 378 



Alopias, see Fox Shark, Thresher 



Shark 

 Alosa, see Shad; A. alosa, see Allis 



Shad; A.finta, see Twaite Shad 

 Alpine Char, 368 

 Alveoli, 51 

 Ambicoloration, 228 

 Amblyopsidae, 232 

 Ambhopsis, 232; see also Kentucky 



Blmd-fish 

 American Brook Trout, 339 

 American Eel, breeding, 291; de- 

 velopment, 337 

 American Flounder, 101; develop- 

 ment of tail, 61, 62; colour 

 changes, 221 

 Amia, see Bow-fin 

 Amiidae, 361 



Amiurids, distribution, 278 

 Ammocoetes branchialis, 331 

 Ammodytes, see Sand Eel 

 Amphibians, origin of, 53, 356 

 AmphiHidae, 273 

 Amphioxus, see Lancelet 

 Amphipnous, see Cuchia 

 Amphiprion colours, 208 

 Ampulla, of Lorenzini, 200; of semi- 

 circular canal, 191 



Abdominal vertebrae, 164 



Abducens nerve, 180 



Abnormalities, 419 f. 



Abramis, see Bream 



Abyssal fishes, 254 



Acanthenchelys, 65 



Acanthocephala, see Thorn-headed 



Worm 

 Acanthodii, 351, 373 

 Acanthopterygians, 63, 378 

 Accessory respiratory organs, 46 f. 

 Acclimatisation, 409 f. 

 Aceratias, eye, nostril, 183; A. macro- 

 rhinus, 183 



Achirus, see Sole 

 Acipenser, see Sturgeon 



Actinistia, 356 f. 



Acus, 314 



Adhesive organs, 237, 332 



Adipose eyelid, 186 



Adipose fin, 67 



Aeoliscus, see Shrimp-fish 



Aestivation, 244 



Aetheolepis, scales, 90 



Aetobatis, see Spotted Eagle Ray 



Africa, fresh-water fauna, 275 f. 



African Cat-fish, 197; accessory 

 breathing organs, 47, 48 



African Lung-fish, 271; aestivation, 



• 244 ^ 



African region, 270, 27b 



Age, 425 



Age determination, 100 1., 192 



Agonus, see Pogge 



Air-bladder, functions, 49 f., 174; 

 development, 49; as a lung, 51; 

 origin and evolution, 52 ; as sound- 

 producing organ, 1 55 f- ; as hydro- 

 static organ, 174 f.; connection 

 with ear, 192 f.; in hill-stream 

 fishes, 240; isinglass, 400 f. 



Air-breathingj 45 f., 244 



437 



