286 LIST OF DIPTERA. 



L. The little cross-vein at one-third of the length of the discoidal 

 areolet. 



Bombvlius vetustus, n. s., mas. Cinereus, pilis albis vestitus, ab- 

 dominis basi et apiee nigro fasciculatis, antennis nigris, femori- 

 bus canis, tibiis fulvis, tarsis nigris, alis cinereis. 



Body gray, most thickly clothed with white hairs: eyes pi- 

 ceous : feelers black, like those of B. crassus ; first and second joints 

 clothed with black hairs : mouth black, as long as the chest ; lip or 

 sucker pubescent; labrum black, linear, much shorter than the 

 tongue, which is tawny, but for one-third of its length from the tip is 

 black ; maxillae tawny, as long as the labrum ; palpi small, black, 

 haiiy : disk of the chest clothed with gray hairs : abdomen with 

 a few hairs at the base, but thickly fringed on each side and towards 

 the tip ; each side has a small tuft of black hairs in the middle, 

 and a large tuft of black hairs at the tip ; there are a few black and 

 tawny hairs mingled with the white hairs on the back : legs thinly 

 clothed with hairs and bristles ; hips and thighs hoary ; shanks 

 tawny, with a slight hoary bloom ; feet and tips of the shanks black : 

 wings gray ; wing-ribs and veins piceous, the latter black towards 

 the tips ; poisers ferruginous, with piceous knobs. Length of the 

 body 5 lines ; of the wings 14 lines. 



a. New Holland. From Mr. Lambert's collection. 



b. New Holland. From Mr. Argent's collection. 



Bombylius platyurus, n. s. Niger, pilis fulvis vestitus, pilisque 

 nonnullis rufis et albis ornatus, abdomine pilis nigris fasciato, 

 apice nigro utrinque fasciculate, pectore et ventre canis illoque 

 pilis albis vestito, antennis nigris, pedibus piceis, alls cinereis, 

 basi et ad costam flavo-fuscis. 



Head hoary, clothed with white hairs, having a few red hairs 

 on the front, and a small tuft of black hairs on the crown : mouth 

 black, as long as the chest: feelers black ; first and second joints 

 thickly beset with black bristles ; third joint slender, slightly taper- 

 ing from the base to the tip, longer than the first and second joints ; 

 fourth joint very small: chest black, thickly clothed with tawny 

 hairs, among which a few red hairs are mingled, and having a few 

 hoary hairs on each side and in front : breast hoary, clothed with 

 white hairs : abdomen black, clothed with white and longer red 

 hairs, and having a black band across the back, and a thick tuft of 

 black hairs on each side at the tip ; under-side hoary, with black 

 tufts at the tip, but no band : legs piceous, clothed with black hairs, 

 and beset with red bristles : wings gray, yellowish brown at the base, 



