512 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 

 INTRODUCED SPECIES. 

 Family CYPRINIDiE 



1. Cyprinus carpio Linnivxis. Carp; German Carp. 



Fresh waters of Asia, but introcliiced into Europe and America as a food-fish. 

 It ha8 been extensively introduced into private ponds iu nearly all parts of 

 the United States. From the ])0ud8 it has escaped into the streams and 

 lakes, and is now an abundant tish in most of our larger, warmer rivers 

 and in the ponds and bayous of the Mississippi Valley, on the south shore 

 of Lake Erie, iu the lower Columbia River, and in many other places. 



Cyprinus carpio Linnieus, Syst. Nat., ed. x, 320, 1758. 



2. Carassius auratus (Linuffius). Goldfish. 



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

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

 Cyprinus auratus Linntx'us, Syst. Nat., ed. x, 323, 1758. 



3. Tinea tinea (Linna'us). Tench. 



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

 lished anywhere. 



Cyprinus tinea Linnieus, Syst. Nat., ed. x, 321, 1758, "habitat in Europ;© stagnis 

 lacubus." 



4. Idus idus (Linnauis). Golden Ide. 



Native in Europe. Introduced into the United States, but it has not yet become 



well established. 

 Cyprinus idus Liun;eu8, Syst. Nat., ed. x, 324, 1758, fresh waters of Euroj)e. 



Family SALMONIDiB. 



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



Loch Leven, iu Fifeshirc, and other lochs iu the south of Scotland and north 

 of England. 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 Linmeus. Von Behr Trout; Brown Trout. 



Northern Europe. Introduced into the waters of Yellowstone Park and else- 

 where. 



Salmo fario Linnieus, Syst. Nat., ed. x, 309, 1758, "habitat in Sveciai, Helvetia3 

 fluviis." 



ADDENDUM. 



The following species were inadvertently onutted from the foregoing list: 

 740^. Stolephorus scofieldi Jordan & Culver. 

 Mazatlan, West coast of Mexico. 

 Stolephorus scofieldi Jordan & Culver, Fishes of Sinaloa, 410, 1895, Mazatlan. 



1999^ Nexilaris eoncolor (Gill). 

 Panama. 



JiiiKchistodus eoncolor Gill, Proc. Ac. Nat. Sci. Phila., 1862, 145, Panama. 

 This is a valid species, the type of the genus Xexilaris Gilbert ms., distin- 

 guished by the adnate i)reopercle. 



