12 THE CANADIAN ENTOMdLOGIST. 



thorax gray pruinose, its hairs whitish, those of tlie hypopleura, middle of 

 breast and scutellum black, a row of three polished spots near the lower 

 front corner of the pleura ; abdomen polished, the last segment and venter 

 of the last three gray pruinose, several spots and the hind margin of the 

 last segment polished, hairs of abdomen black, those of the last segment 

 and venter of the last three chiefly yellow ; legs polished, an elongate, 

 whitish pruinose spot on front side of middle femora, hairs black, those on 

 inner side of apical half of front tibise golden yellow, on inner side of other 

 tibiae chiefly white ; wings brown, veins yellow, calypteres dark brown ; 

 length, 15 mm. 



Fort Simpson, B. C, Canada. A single specimen collected by the 

 Rev. J. H. Keen, and submitted for naming by Dr. James Fletcher, to 

 whom the type has been returned. 



Family Sciomyzid/E. 



Bischofia varia, new species. — Black, the head except middle of face, 

 basal half of antennae, mouth-parts, pleura, sternum and scutellum, reddish 

 brown, the halteres, sides of abdominal segment, coxge, trochanters, middle 

 legs except apical half of femora, and nearly basal half of hind femora, 

 yellow ; head and body polished, frontal lunule hidden, antennal arista 

 sparsely long-plumose, face strongly produced forward at the oral margin, 

 mesonotum bearing two pairs of dorsocentral bristles, no acrostichals, 

 mesopleura bare, pteropleura bearing two bristles, one above the other, 

 and several short hairs, sternopleura covered with short hairs, hind femora 

 without long hairs or bristles on the under side ; wings hyaline, veins 

 broadly bordered with brown, least distinct on the sixth vein, tip of first 

 vein slightly before the small crossvein, calypteres whitish ; length, 6 mm. 



R'gaud, Quebec, Canada. 



A female specimen collected May 24, 1902, by Mr. G. Chagnon, and 

 submitted by Mr. C. VV. Johnson, of Boston, Mass., to whom it has been 

 returned by request. 



This European genus was founded by Hendel in the Kais. Konig. 

 Zuol-bot. Gesell. Wien, II., page 52, 1902, and besides the present form 

 the Dryoiny:.a arisialis, Coquillett, also belongs to this genus. The latter 

 is closely related to Dryomyza, differing in the possession of a propleural 

 bristle, a preapical pair of bristles on each front tibia, etc. 



