264 NEiW YORK STATE MUSEUM 



Fario lemanus Cuviee & Valenciennes, Hist. Nat. Poiss. XXI, 300, pi. 617 



(male) 1848. 

 Swiss lake trout Atkins, Kept. U. S. F. C. XVII, XVIII, XIX, 1898 and 



1894. 



Head well proportioned in its shape, of moderate size, body 

 rather stout; preoperculum with a distinct lower limb, oper- 

 culum rather broad and high; snout of moderate length, rather 

 produced in the male sex, in whi-ch a mandibular hook is devel- 

 oped in the spawning season; maxillary longer than the snout, 

 and at least as strong and broad as in S. f a r i o ; in specimens 

 12 inches long it extends somewhat behind the vertical from 

 the hind margin of the orbit. Teeth moderately strong, those 

 on the vomer in a single series, alternately bent toward the 

 right and left, persistent throughout life. Pectoral fin rounded, 

 its length being less, and in young individuals more than, one 

 half of its distance from the ventral. The caudal becomes trun- 

 cate with age; in specimens of from 12 to 15 inches in length 

 it is emarginate, the middle rays being half as long as the 

 outer ones. The hind part of the body of moderate depth; 

 there are 13 or 14 scales in a transverse series descending from 

 behind the adipose fin forward to the lateral line. 



Back greenish, sides and belly silvery, numerous very small 

 X-shaped black spots on the sides; opercles and dorsal fin with 

 numerous black dots; the other fins greenish. D. 13; A. 12; 

 P. 14; V. 9. Scales 26 to 28-115 to 128-36; pyloric oaeca 45-52; 

 vertebrae 57 (once), 58-59. (After Gtinther) 



Attempts have been made from time to time to introduce into 

 large, cold lakes of the United States the fine lake trout of Lake 

 Geneva, Switzerland. Eggs have been furnished to the U. S. 

 Fish Commission by the Swiss government, and these were 

 hatched at the Craig brook (Me.) station, and from there the 

 young were distributed to lakes believed to be suitable for the 

 experiment. In New York, the Adirondack League Club ob- 

 tained 1000 of the young of this species in 1896 and deposited 

 them in Green lake, in Herkimer county. The specimen de- 

 scribed below is probably one of the results of that experiment. 

 Swiss lake trout were furnished also to the New York Fish Com- 



