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 showg 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,” Ze Dial,Chicago, June, ’86, p. 35.) 
FAMILIES. EUROPE. N. AMERICA. 
Lamprey ‘ Petromyzontide . 3 species. 8 species. 
Paddle-fish . . Polyodontide . —- * 1 “ 
Sturgeon Acipenseride en BOD. ° S88 6 . 
Gar-pike . Lepisosteide = ot 3 “« 
Bow-fin. . Amiatide <= 8 1 i 
Cat-fish . Stluride I 35 
Sucker Catostomide = © Gr -« 
Loach Cobitide . aog. Oe 8 
Carp. Cyprinide . - 61 “290 = 
Characin Characinide _ = I o 
Moon-eye . Hiodontide . — es 3 se 
Herring . . Clupeide . . a SO 
Gizzard-shad . Dorosomide — = I “ 
Salmon . Salmonide . 12 Fes 928) re 
Trout-perch Percopside . — * I 
Blind-fish . Amblyopside _— Ss 5 cs 
Killifish . Cyprinodontide 3. AS ogo 3e 
Mud-minnow . Umbride I I ee 
Pike: 4: --xd "a Esocide . I . 5 - 
Alaska Black-fish . Dalliide .— ss I ee 
Eel. " Anguillide a ef I e 
Stickleback . Gasterosteida@ . 3 § 7 « 
Silverside Atherinide . 2 a 2 “ 
Pirate Perch Aphredoderide — I « 
Elassoma Elassomide — * 2 st 
Sun-fish . Centrarchide . _ ee 37 fe 
Perch Percide . + Hh “92 = 
Bass . Serranide .« 1 . 4 Ae 
Drum Scienida _ & I 5 
Surf-fish . Embiotocide _ i I 
Cichlid . Cichlide . = 2 fe 
Goby. . Gobiide. . 2 & 6 6 
Sculpin . Cottide . 2 at ee 
Blenny . . .« Blenniide . . 3 MC eee OE 
Cod . : Gadide . I I a 
Flounder Pleuronectide « I 6 = £ 
Sole . Soleidea . I “ I ” 
Total: Europe, 21 families ; 126 species. North America, 34 families ; 
587 species. 
According to Dr. Giinther (Guide to the Study of Fishes, p. 
243), the total number of species now known from the temperate 
