AET. 14 



NORTH AMERICAN COPEPODS MARSH 



19 



Merrill collected it in Lake Huron, Eeighard in the Detroit River, 

 and Wickliffe in Lake Erie. It occurs in Seneca, Cayuga, and 

 Keuka Lakes, in central New York, Stromsten, 1917, found it in 

 the Okoboji Lakes; Pearse, 1905, in Cherry County, Nebr., and the 

 Muskoka Lakes, Ontario. Beardsley, 1902, found it in Seeley Lake, 

 Colo. ; Willey, 1923, in Quill Lakes, Saskatchewan ; and it was present 

 in collections made by Young in Devils Lake, N. Dak. Schacht, 



Figure lO.— Distribution of Diaptomus siciloides Lilueborc. 



1897. reported it from Cedar Lake and Fox Lake, 111. Its most west- 

 ern location is Yellowstone Park, where Forbes collected it. Its 

 distribution is shown in Figure 9. 



DIAPTOMUS SICILOIDES Lilljebors. 1889 



The type specimens of D. siciloides were collected in Lake Tulare, 

 Calif. Schacht, 1897, found it abundant in the Illinois River near 

 Havana. Brewer, 1898, found it at Lincoln, Nebr. ; and Pearse, 1905, 



