512 REPORT OP COMMISSIONER OF FISH AND FISHERIES. 

 INTRODUCED SPECIES. 

 Family CYPRINIDiE 



1. Cyprinus carpio LiunauH. Car}); German Carp. 



Frosb wiitois of Asia,, but introduced iuto Europe and America as a food-fish. 

 It has been extensively introduced into private i)onds in nearly all parts of 

 the United States. I'"roni the ])oih1s it has escaped into the streams and 

 lakes, and is now an abundant fish in nio.st of our lar<;er, warmer rivers 

 and in the ])ond8 and bayous of the Mississipjii \' alley, on the south shore 

 of Lake Erie, in the lower Columbia Kiver, and in many other pUices. 



Cyprinus carpio Liuuicus, iSyst. Nat., ed. x,320, 175^. 



2. Carassius auratus (Linua'us). Goldfish. 



Native to China and Japan, but introduced everywhere as an aqnariuni fish 

 and now naturalized in many of the streams in the eastern United .States. 

 Cyprinus auratus Linnauis, Syst. Nat., ed. x, 323, 1758. 



3 Tinea tinea (Linua;u8). Tench. 



Native in Europe. Introduced into the United States, but not yet well estab- 

 lished anywhere. 



Cyprinus tinea Linmeus, Syst. Nat., ed, x, 321, 1758, "habitat in Europai stagnie 

 lacubus." 



4. Idus idus (Linua'Us). Golden Idc. 



Native in P^urope. Introduced into the United States, but it has not yet become 



well established. 

 Cyprinus idus Linmeus, Syst. Nat., ed. x, 324, 1758, fresh waters of Euroi)e. 



Family SALMONIDiE. 



5. Salmo trutta levenensis (Walker). Loch Lcven Trout. 



Loch Leven, in Fifeshire, and other lochs in the south of Scotland and north 

 of Euj^land. Introduced by the U. S. Fish Commission into Shoshone 

 Lake, in the Yellowstone National Park, and elsewhere. 



>Salmo levenensis Walker, Wernerian Memoirs, i, 541, 1808. 



6. Salmo fario Linuanis. Fon Behr Trout; Brown Trout. 



Northern P^urope. Introduced into the waters of Yellowstone Park and else- 

 where. 



Salmo fario Linn»us, Syst. Nat., ed. x, 309, 1758, "habitat in Sveciu', Helvetise 

 lluviis." 



ADDENDUM. 



The following species were inadvertently omitted from the foregoing list: 

 740i. Stolephorus scofieldi .lordan & Culver. 

 Ma/.atlan, west coast of Mexico. 

 Slolephorux seofcldt Jordan & Culver, Fishes of Siualoa, 410, 1895, Mazatlan. 



1999^. Nexilaris concolor (Gill). 

 I'anaiiia. 



JutKchistodus concolor Gill, Proc. Ac. Nat. Sci. Phila., 18(52, 145, Panama. 

 This is a valid species, tht^ type of the genua yexiluris Gilbert My., distin- 

 guished by the aduate preoperele. 



