ILLUSTRATIONS xvii 



The Common Sucker . . ' * 



German Sealed Carp. 



Two-Spined Stickleback . 



Common Bullhead 



The Common Halibut ... 

 The Electric Eel .... 



The Dogfish 



The Long-Nosed Gar Pike 



Lake Sturgeon 



The Paddle-Fish .... 



Under View of the Paddle-Fish 



Spotted Chimera 



Shark-Ray 



The Sawfish 



9 olo 



The Sting Ray 317 



The Devil-Fish 319 



