378 LIST OF DIPTERA. 



black ; first and second joints clothed with black hairs ; first joint 

 linear ; second joint very short, not half the length of the first ; 

 third joint very long, linear, much more than thrice the length of 

 the first and the second joints : chest beset with a few black bristles 

 on each side, adorned, as is the breast, with silvery down, which 

 also forms a spot on each side of the front of the chest: breast co- 

 vered with hoary bloom : abdomen linear, slightly convex, as broad 

 as the chest and about twice its length ; first segment extremely 

 short ; second and following segments of moderate and equal length, 

 with an impression on each side ; tip mutilated : legs red ; hips 

 black, covered with hoary bloom ; shanks beset with tawny bristles ; 

 feet dark red, armed with tawny spines, clothed beneath with golden 

 down ; claws black, red at the base ; foot-cushions tawny ; hind 

 thighs rather thick, armed beneath with some tawny teeth ; hind 

 shanks nearly straight: wings brown, colourless towards the base ; 

 disks of the areolets on the hind border nearly colourless ; wing- 

 ribs and veins piceous, the latter black towards the tips ; poisers 

 tawny. Length of the body 6 lines ; of the wings 12 lines. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



Laphria flavipes, Wied. Dipt. Exot. i. 238, 12. Auss. Zweif. i. 



519, 33. Macq. Dipt Exot. ii. 1, 63, 1. 

 a. Port Natal. From Dr. Krauss's collection. 



Laphria Sad ales, n. s., mas. Nigra, argenteo micans, antennis ?ri~ 

 gris, pedibus rufis, tarsis nigris, alis subfuscis basi limpidis. 



Body black, shining, thickly covered with golden down, narrow, 

 linear : head as broad as the chest, clothed above with black hairs 

 and more thickly clothed beneath with hoary hairs ; a tuft of silvery 

 hairs on each side of the clypeus, which is most thickly clothed with 

 long black bristles : eyes black ; fore part small, but composed of 

 larger facets, and very distinct from the other part : lip black, shin- 

 ing, a little longer than the head, clothed at the base with hoary 

 hairs and at the tip with very short tawny hairs : feelers black ; first 

 and second joints clothed with black hairs ; first joint linear ; second 

 joint cup-shaped, not half the length of the first ; third joint linear, 

 much longer than the first and the second joints, but not near twice 

 their length : under-side of the head behind the eyes, two oblique 

 spots on the fore part of the chest, and some marks on the breast, of 

 silvery lustre : sides of the chest beset with a few black bristles : 

 hind chest with a slight tuft of long black hairs on each side : ab- 

 domen as broad as the chest and about twice its length, with a few 

 hoary hairs on each side at the base ; first segment extremely short ; 

 second and following segments to the seventh of equal and mode- 



