274 BULLETIN 116, UNITED STATES NATIONAL MUSEUM. 



moderate size, somewhat orbicular in outline, white with moderately 

 wide black border on apical and u])per margins, jagged and bristly at 

 apex, fringed above with delicate little black hairs. 



All coxae yellow; fore coxae with delicate white hairs on their 

 anterior surface, middle pair also with white hair, except a few black 

 ones at tip. Femora and tibiae yellow. Middle and hind femora 

 each with one preapical bristle, the latter ciliated on lower inner edge 

 with white hairs, which are about three-fourths as long as the width 

 of the femora and do not reach the tip; they are of nearly equal length. 

 Middle tibae with three bristles below, two near apical third and one 

 bristle near basal third, their basitarsi with a rather small bristle 

 above. Posterior tibiae scarcely thicker than the others, their inner 

 surface with a glabrous space extending from near the base to beyond 

 their middle. Fore tarsi one and three-fourths times as long as their 

 tibiae, the first two joints together as long as the tibia; first three 

 joints slender, yellow, of decreasing length; fourth and fifth joints 

 compressed, fourth black, fringed above with rather long black hairs, 

 and a little shorter than either third or fifth joints, which are of nearly 

 equal length; fifth joint white and fringed above with white hairs, 

 somewhat oval; middle and hind tarsi darkened toward their tips; 

 middle pair one and a fourth, hind one and a third times as long as 

 their tibiae. Calypters and halteres yellow, the former with black 

 cilia. 



Wings grayish, sometimes tinged with yellowish brown along the 

 front; costa and veins yellowish brown; costa scarcely enlarged at 

 tip of first vein; last section of fourth vein a little bent near its basal 

 third; tips of third and fomth veins widely separated; hind margin 

 of wing nearly evenly rounded, scarcely indented at tip of fifth vein; 

 anal angle rounded, not prominent. 



Female. — Face rather wide, yellowish gray; fore tarsi plain, one 

 and a fourth times as long as their tibiae, darkened toward the tip, 

 their joints of regularly decreasing length; middle basitarsi without 

 a bristle above, hind femora without cilia below; otherwise as in the 

 male. 



lledescribed from the type material and 4 males and 1 female. 

 One male at Merchantville, New Jersey, June 28; 1 at Philadelphia, 

 Pemisylvania, June 30; 1 in Montgomery County, Pennsylvania, July 

 4; 1 at Scotts Run, Virginia, August 2; the female at Niagara Falls, 

 New York, September 16; and 1 male at Lafayette, Indiana, June 30. 



Type. — In Museum of Comparative Zoology, Cambridge, Massa- 

 chusetts, from "Middle States." 



No. 201. DOLICHOPUS FUNDITOB, var. DISTINCTUS, new variety. 



Male. — Length 5 mm. ; of wing 4.75 mm. This dift'crs horafunditor 

 Loew in having the third antennal joint nearly twice as long as wide 



