DISPERSION OF FRESH-WATER FISHES. 93 



We now recognize about six hundred species^ 

 of fishes as found in the fresh waters of North 



1 The table below shows approximately the composition of the 

 fresh-water fish-fauna of Europe, as compared with that of North 

 America north of the Tropic of Cancer. (See a review of Seeley's 

 "Fresh Water Fishes of Europe," 7y^^Z)/a/,Chicago, June, '86, p. 35.) 



Lamprey 



Paddle-fish 



Sturgeon 



Gar-pike 



Bow-fin 



Cat-fish 



Sucker 



Loach 



Carp . 



Characin 



Moon-eye 



Herring . 



Gizzard-shad 



Salmon . 



Trout-perch 



Blind-fish 



Killifish . 



Mud-minnow 



Pike 



Alaska Black-fish 



Eel . . 



Stickleback 



Silverside 



Pirate Perch 



Elassoma 



Sun-fish . 



Perch . 



Bass . . 



Drum . 



Surf-fish . 



Cichlid . 



Goby . . 



Sculpin . 



Blenny . 



Cod . . 



Flounder 



Sole . . 



Petromyzontidce 

 Polyodontidce 

 Acipe7iserid(B 

 Lepisosteidce 

 Ami at id <z . 

 SiluridcB 

 Catostomidce 

 Cob it id (B . . 

 Cyprinidcc . 

 CharacinidcE 

 HiodontidcB . 

 ClupeidcB 

 Dorosomidce 

 Salmonidce . 

 PercopsidcE . 

 Amblyopsidce 

 Cyprinodontidce 

 Umbridce 

 EsocidcB . . 

 Dalliidce 

 Anguiliidce 

 Gasterosteidce 

 Atherinidce . 

 Aph redoderidcB 

 ElassomidcB 

 Centrarchidce 

 PercidcB . . 

 Serranidce . 

 ScicBnidcc 

 Embiotocidce 

 CichUd(t . . 

 Gobiidce . , 

 Cottidce . . 

 BlenniidcB , 

 GadidcB . . 

 Pleuronectidce 

 Soleidce . 



126 species 



species. 



N. AMERICA. 



8 species. 



6 



3 " 



28 



North America, 34 families ; 



Total : Europe, 21 families ; 

 587 species. 



According to Dr. GUnther (Guide to the Study of Fishes, p. 

 243), the total number of species now known from the temperate 



