138 THE CANADIAN ENTOMOLOGIST. 



Eristalis Bastardi, Macq. Not uncommon. 



II tenax, Linn. Common. 



M transversus, Wied. Common. 



II brousi, '\\'ilstn. Common. 

 Helophilus similis, Macq. 

 Syritta pipiens, Linn. Common. 

 Somula decora, Macq. Rare. 

 Chrysochlamys dives, O. Sacken. Not common. 

 Spilomyia fusca, Loew. Not common, on umbelliferous flowers, July. 



II quadrifasciata. Say. Common on blossoms of Solidago, Aug. 

 Temnostoma aequalis, Loew. Rare. 

 Sphecomyia vittata, Wied. Rare. 



CONOPIDyE. 



Conops furcillatus, Wilstn. Rare. 

 Zodion fulvifrons, Say. 



TACHINIDiE. 



Hystricia vivida, Harris. Common. 



MUSCIDiE. 



*Musca domestica, Linn. Abundant. 



CORDYLURIDyE. 



Scatophaga stercoraria, Linn. Common. 



SCIOMYZID^. 



Tetanocera pictipes, Loew. 

 II plebeja, Loew. 



ORTALID^. 



Pyrgota undata, Wied. Not rare. 



Ceroxys similis, Loew. 



Seoptera vibrans, Linn. Rare, one specimen taken. 



Chaetopsis aenea, Wied. Rare. 



TRYPETID^. 



Straussia longipennis, Wied. Not uncommon. 

 Tephritis albiceps, Loew. 



PIOPHILID^. 



*Piophila casei, Linn. Common, bred from cheese. 



DROSOPHILID^. 



*Drosophila ampelophila, Loew. Common, 



With the exception of those marked with an *, all the species in the 

 above list were submitted to Dr. Williston, who kindly named them. As 



