390 THE CANADIAN ENTOMOLOGIST. 



Two other males in the same lot have the hind tibiae yellowish 

 brown and the wings hardly tinged with brown, even in front of 

 the third vein. They come nearer the typical form. 



Sciapus tonsus Aid. 



I have seen two specimens, one from Bradentown, Fla., and 

 the other from Beaufort, N. C, which answer the description of 

 this species. In one the appendages of the hypopygium are 

 closely drawn up as in the type; in the other they are somewhat 

 extended. They are black and rather long, extending forward to 

 the tip of the fourth ventral segment. The fore metatarsi are 

 about as long as the four remaining joints together, and with rather 

 long hair below. 



Sciapus crinitus Aid. 



I took this at Bradentown, Fla., and have seen specimens 

 from Georgia. 



Sciapus flavipes Aid. 



I took a number of these at Bradentown, Fla., in March. I 

 have also seen specimens from Georgia and Erie Co., N. Y. 



Sciapus chalybeus, n. sp. 



Male — Length 5.5 mm. Face bare, green with blue reflec- 

 tions and coarse gray pollen on the lower part. Front blue-green r 

 pure green on the upper lateral corners; antennae black, with a few 

 rather long bristles on the second joint, one of which is three- 

 fourths as long as the face; arista more than half as long as the 

 body and with the tip white. Thorax steel-blue or purplish; 

 pleurae more green; meta-scutellum green; bristles of the thorax 

 and abdomen long. Abdomen concolorous with the thorax, the 

 last two segments green. Hypopygium with a peduncle which is 

 as long as the sixth segment, blue, and bears many long, wavy 

 hairs, which are as long as the fifth and sixth segments together; 

 hypopygium black with pale yellow, curved, somewhat forcipate 

 appendages. Coxae, trochanters and femora black; extreme tips 

 of fore and middle femora, all tibiae and fore and middle tarsi 

 yellow; last joint of fore and middle tarsi, extreme tips of hind 

 tibiae and hind tarsi black; all femora with long white hairs below; 

 fore tibiae with a row of bristles on the upper surface, two of which 

 are long, the last one about three-fourths as long as the tibiae; 

 fore tarsi a little more than twice the length of their tibiae, the 



