LIST OF ILLUSTRATIONS 



XI 



Mediterranean Mursena, . 



Eels in the Mud, . 



Bengal Short-Tailed Eel, . 



Electric Eel, 



Group of Carp, 



Group of White-Fish, 



Tench, 



Bitterling, Bleak, and Gudgeon, 



Group of Bream, . 



Sichel, Bapfen, and Beaked Carp, 



Group of Loaches, . 



Angola Loach, 



The Piraya, 



Head of Cyprinodont, 



Female and Male Double-Eye, 



Kentucky Blind- Fish, 



Common Pike, 



Beaked Fish and Slender Pikelet, 



Bornean Feather-Back, 



Brazilian Arapaima, 



Chisel-Jaw and Moon-Eye, 



Beaked Salmon, 



Phosphorescent Sardine, . 



Silvery Light-Fish and Hedgehog-Mouth, 



The Dorab, 



Long- Finned Herring, 



Skeleton of a Saurodont, . 



Shad, Sprats, and Herring, 



Black Smooth-Head, 



Zebra Salmon, 



Salmon and Sea-Trout, 



May-Trout and Hucho, 



Grayling and Chair, 



Common Smelt, 



Maranes, 



Bony-Pike, . 



The Bow-Fin, 



Skeleton of Extinct Amioid, 



Jaw of Pycnodont, . 



Giant Scale-Tooth,. 



Spoon-Beaked Sturgeon, , 



Sterlet, 



Extinct Acipenseroid Fish, 



The Bichir, 



Skeleton of Hollow-Spined Ganoid 



Hammer-Headed Shark, . 



Spiny Dog-Fish and Smooth-Hound 



[ndo-Pacific Basking-Shark, 



Lesser Spotted Dog-Fish and its Eggs 



Port Jack -i m Shark, 



Lower Jaw of Port Jackson Shark 



Teeth of Comb-Toothed Sharks, 



Frill-Gilled Shark, 



A.ngel-Fish, 



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