SO IUOLOGICAL SCI.'VKV OF 



Ceratocapbus Reutei 



C. pumilus (Uhler). S. W. Harbor, Sept. ."> (Alexander). 

 Found on grape vines. 



Pilophorus Westwood 



P. strobicola Knight. Record of capture lost. 



Orthocephalus Fiebcr 



0. mutabilis (Fall.). Bar Harbor ; S. W. Harbor ; Salisbury 

 Cove, June 11-July 15. Food plant is Chrysanthemum 

 leucanthemum. 



Ilnacora Renter 



1. malina (Uhler). Eden, July 13. Food plant Solidago 

 rugosa growing in shaded damp places. 



Bolteria Uhler 



B. luteifrons Knight. Beaten from Juniperus July 8 (Br.) 

 near Bldg. of Arts. Described from one specimen from No. 

 Carolina by Knight. One specimen in cabinets and two in 

 U.S.N.M. Most closely allied to Dichrooscytus. 



Gerridae. The Water-striders 

 Gerris Fabricius 



G. argenticollis Parsh. "Mt. Desert,'' July 28 (McAtee). 



G. buenoi Kirk. Salisbury Cove; Bar Harbor, Aug. 10, 11. 



G. dissortis Drake & Harris. Bar Harbor; Salisbury Cove, 

 June 14-July 18. 



G. marginatus Say. Ice pond, Manset; S. W. Harbor, June 

 18-July 13. Common. 



G. remigis Say. Duck Brook ; Bar Harbor ; Manset, June 11- 

 Aug. 18. Common. 



G. (limnoporus) rufoscutellatts Latr. Bar Harbor; Salis- 

 bury Cove, June 14-July 18. 



