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PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 75 



it was found in other lakes in the park and it was later collected there 

 by others. It was in collections made by H. B. Ward in several 

 small lakes near Pikes Peak; by Thacker at Hope, Yale, and Laid- 

 law, British Columbia ; by Young in Devils Lake, N. Dak. ; and by 

 Johansen near Toronto, Canada. The M^-iter has collected it at 

 Wheat Meadows in the Sierras, California : at Irwin and Corona, 

 Colo. ; and at a number of places in the neighborhood of the Salina 

 Experiment Station, east of Salina, Utah, in the Wasatch Mountains. 

 It was found in a collection made on Vancouver Island and in one 



FiGUEE 9.— Distribution of Diaptomus shoshone Forbes (O), and D. sicilis Forbes (#) 



made in Lake McDonald on St. Paul Island, west of Alaska. Its 

 distribution is shown in Fio-ure 9. 



DIAPTOMUS SICILIS Forbes, 1882 



Diaptotnus sicilis was first found in Lake Michigan, where it is a 

 very common species. It was found in Tomahawk Lake, Green Lake, 

 and Lake Geneva in Wisconsin; in Pine Lake, a lake connected with 

 Lake Michigan in the northern part of the southern peninsula of 

 Michigan ; and in Lake Michigamme, in the northern peninsula of 

 Michigan. Forbes, 1891. found it in Lake Superior, Miss H. B. 



