36 University of Michigan 



Microvelia hitenoi Drake. Moderately common on one of 

 the woodland pools in the Warren Woods, June 23 to July 4. 

 One specimen was taken from a pasture pool, June 25. 



Rhagovelia obesa Uhler. Common on moderately rapid por- 

 tions of the Galien River in the Warren Woods. 



Mesoveliadae 

 Mesovelia mulsanti White. This species was found com- 

 monly at New Buffalo, and other specimens were taken in the 

 Warren Woods, at Harbert, and near the Sawyer Dunes. 



Hebridae 



Hebrus burmeisteri L. & S. Several specimens were taken 

 at the Warren Woods, some from the margins of the Galien 

 River and some from among the matted grasses in swamp 

 meadows ; and a few were taken at New Buffalo. About half 

 the specimens secured were apterous ! 



Merragata brunnea Drake. One specimen was taken at 

 New Buffalo, September 2. 



Sai^didae 



Salda coriacea Uhler. One specimen was taken at the War- 

 ren Woods, July 15 (Hubbell), and another was collected from 

 the margin of Bald Tom Pond, June 24. 



Lampracanthia anthracina (Uhler). One specimen was 

 taken from the matted grasses in a pasture pond at the War- 

 ren Woods, June 25. 



Saldula major (Prov.). Abundant on the margins of the 

 Bald Tom Pond, where specimens were taken from June 24 

 to July 19. 



Saldula confluens (Say). One specimen was taken at New 

 Buffalo, June 30, and a second at Bald Tom Pond, July 3. 



