552 PROCEEDINGS OF THE ACADEMY OF [Dec, 



the original account. This species was described from the north 

 shore of Lake Erie, and said to be occasional in Lake Huron, but 

 unknown in Lake Superior. Its equal jaws seem to be a good 

 character. 



Leuoichthys prognathus (H. M. Smith). 



One from Milwaukee, Wis. 



Leucichthys nigrijiimis (Milner). 



One from Milwaukee, Wis. 



Leucichthys albula (Linnaeus). 



One labeled "France" most likely from Scandinavia. 



Oncorhynchus kisutch (Walbaum). 



Four from Alaska, one from the Frazer River in British Columbia, 

 and six from Osatsuba in Japan. 



Oncorhynchus tschawytscha (Walbaum). 



Two probably from the Columbia River?, another from the 

 McCloud River in California, and one from Silver Lake Camp in 

 Maine (introduced). 



Oncorhynchus nerka (Walbaum). 



One from Alaska and one from Kootenay Lake at Nelson in 

 British Columbia. 



Salmo salar Linnaeus. 



Three labeled "Europe," two without data, and two from the 

 St. Croix River in Maine. 



Salmo salar lacustris (Linnaeus). 



Two from Italy, according to the Bonaparte Catalogue "lago 

 Maggio." 



Salmo eriox Linnaeus. 



Five from Italy, of which one dried. A large one from Tasmania 

 (introduced). 



Salmo fario Linnaeus. 



A number of examples from France, Switzerland and Italy, others 

 labeled "Europe." One from Lake Lucerne. 

 Salmo perryi Brevoort. 



One from Nikko, Japan, and in each gill-opening a number of 

 parasitic Crustacea. 



Salmo mykiss Walbaum 



One from Alaska. 



