28 



HOUGH. 



[VOL. I. 



the species is by no means just like M. mcridiana (Fig. 12) ; it 

 does not average smaller than that species ; the antennae vary in 

 color from yellow to brown ; the sides of the face are, however, 

 silvery. The species agrees perfectly with the description of 



FIG. ii. 



M. resplendcns Wahlb. and in 

 the Agassiz Museum is a 

 specimen labeled in Loew's 

 handwriting resplendcns. I 

 think there can be no doubt of the synonymy. Mt. Washing- 

 ton, N. H.; North Mt., Pa.; Seattle, Wash.; Dakota. For 

 comparison I introduce here Fig. 13, M. mystacea L. If the 

 truth could ever be known, it is highly probable that M. 



\. 



FIG. 12. 



pallida Say would be found to be an Oestrophasia very near 

 or identical with O. pimctata Coq. 



M. anomala Jaennicke is evidently not a Mcscmbrina at all. 

 Professor Brauer suggests that it belongs near Spilogaster. 



Musca. - - M. doincstica L. (Fig. 14) is very common. Walker 

 says that M. corvina Fabr. occurs in Nova Scotia. The front 

 of corvina is very narrow in the male, that of the male domes- 



