1895.] NATURAL SCIENCES OF PHILADELPHIA. 305 



boscis black, base yellow; antennae yellow, terminal joint and style 

 black. Thorax brown, dorsum shining; lateral margins, pleurae, 

 posterior angles, and scutellum covered with a grayish pubescence. 

 Abdomen: first segment blackish with a prominent row of bristles at 

 the posterior margin, second and third segments brown, the remain- 

 ing segments blackish with more or less brown at the anterior and 

 posterior margins, and covered with a grayish pubescence. Venter 

 brownish. Legs reddish, thickly covered with minute yellow hairs, 

 and dark brown spine-like bristles on the tarsi; claws black, bristles 

 on the tibiae yellow; wings of a uniform dark brown, veins black. 

 Two specimens, St. Augustine. 



Asilus auratus n. sp. 



Length $ 12 9 15 mm. Face and front light yellow pollinose; 

 facial protuberance with long whitish bristles; occiput light yellow 

 pollinose, and long white pile, which in some specimens is brownish 

 near the vertex; a row of black hairs extends along the frontal 

 orbits; ocelli black; proboscis black; antenna? reddish, first and 

 second joint with numerous black hairs, third joint and arista brown. 

 Thorax golden yellow pollinose, with a wide dorsal stripe that is 

 attenuated and obsolete (in certain lights) towards the scutellum, 

 some specimens show an obsolete linear interval of a lighter color, 

 thus dividing the stripe into two parts; the entire dorsum with short 

 black hairs; a few long, black and yellow bristles are arranged as 

 follows: four on the side just before the suture, the others in a lateral 

 and two subdorsal rows on the posterior half of the thorax, scutellum 

 yellow pollinose, with black hairs, and two yellow bristles; pleurae, 

 and coxa?, yellowish white pollinose. Abdomen yellow pollinose; 

 covered (except at the base of the first, and a wide basal and posterior 

 margin on the second, third and fourth segments) with black hairs; the 

 smooth basal bands on the second, third and fourth, have two trans- 

 verse rows of punctulate spots, one of the rows is often covered on 

 the third and fourth by the preceding segment; near the posterior 

 margins of the segments is a row of black and yellow bristles; 

 hypopygium red, shining, with whitish hairs, ovipositor black, 

 shining. Legs red; with close-lying whitish hairs and prominent 

 black and yellow bristles, tip of the femora with a spot on each 

 side, tip of the posterior tibiae, and tip of all the tarsal joints black- 

 ish; claws black, pulvilli red. The base, and discal portion of the 

 wing clear hyaline, leaving the tip and a wide posterior border of a 



