Salmonidze 65 
Lake in New York, celebrated by De Witt Clinton, is a local 
form of the ordinary whitefish. 
Allied to the American whitefish, but smaller in size, is the 
Lavaret, Weissfisch, Adelfisch, or Weissfelchen (Coregonus 
lavaretus), of the mountain lakes of Switzerland, Germany, and 
Sweden. Coregonus kennicotti, the muksun, and Coregonus nelsoni, 
the humpback whitefish, are found in northern Alaska and in the 
Yukon. Several other related species occur in northern Europe 
and Siberia. 
Another American species is the Sault whitefish, Lake Whiting 
or Musquaw River whitefish (Coregonus labradoricus)., Its 
teeth are stronger, especially on the tongue, than in any of our 
other species, and its body is slenderer than that of the whitefish. 
It is found in the upper Great Lakes, in the Adirondack region, 
in Lake Winnipeseogee, and in the lakes of Maine and New 
Brunswick. It is said to rise to the fly in the Canadian lakes. 
This species runs up the St. Mary’s River, from Lake Huron to 
Lake Superior, in July and August. Great numbers are snared 
or speared by the Indians at this season at the Sault Ste. Marie. 
In the breeding season the scales are sometimes thickened 
or covered with small warts, as in the male Cyprinidae. 
Argyrosomus, the Lake Herring.—In the genus Argyrosonius 
the mouth is larger, the premaxillary not set vertical, but ex- 
tending forward on its lower edge, and the body is more elongate 
and more evenly elliptical. The species are more active and 
predaceous than those of Coregonus and are, on the whole, in- 
ferior as food. 
The smallest and handsomest of the American whitefish 
is the cisco of Lake Michigan (Argyrosomus hoyt). It is a 
slender fish, rarely exceeding ten inches in length, and its scales 
have the brilliant silvery luster of the mooneye and the lady- 
fish. 
The lake herring, or cisco (Argyrosomus artedz), is, next to 
the whitefish, the most important of the American species. It 
is more elongate than the others, and has a comparatively large 
mouth, with projecting under-jaw. It is correspondingly more 
voracious, and often takes the hook. During the spawning 
season of the whitefish the lake herring feeds on the ova of the 
latter, thereby doing a great amount of mischief. As food 
