482 LIST OF DIPTERA. 



black ; first and second joints very short, beset with black bristles 

 third joint slender, conical ; bristle more than twice the length of 

 all the preceding joints : chest thickly clothed with short hoary 

 hairs ; breast and sides of the chest hoary : abdomen black, linear, 

 a little narrower than the chest and full twice its length, clothed 

 (especially along the sides) with short tawny hairs ; first and second 

 segments short; third and following segments long: legs black, 

 thickly clothed with hoary hairs ; feet beset with black spines ; 

 foot-cushions tawny; claws yellow, with black tips; hind thighs 

 thick, armed beneath with black teeth ; hind shanks curved : wings 

 light brown, darker along the fore borders ; wing-ribs ferruginous ; 

 veins black, ferruginous ; poisers tawny. Length of the body 4£ 

 lines; of the wings 10 lines. 



a. North Bengal. From Miss Campbell's collection. 



Leptogastee, Meigen. 



Leptogaster cylindricus, Macq. Dipt. Nord. Asil. ii. 1. Zeller, 

 Isis, 1840, 42, 2. Zett. Dipt. Scand. i. 186, 1. Loew, Linn. 

 Ent. ii. 403, 7. Asilus cylindricus, Deg. Ins. vi. 99, 1 0, t. xiv. 

 13. A. lividus ? Geoff. Ins. ii. 474, 17. A. tipuloides, Fabr. 

 Syst. Ent. 795, 20. Ent. Syst. iv. 385. Schrank. Faun. Boic. 

 iii. 161, 2556. Dasypogon tipuloides, Fabr. Syst. Antl. 172, 

 37. Leptogaster tipuloides, Meig. Klass. i. 242, t. xii. 16. 

 Fall. Dipt. Suec. Asil. 13, 1. L. fuscus, Meig. Syst. Beschr. 

 ii. 344, 2. Macq. Dipt. Nord. Asil. ii. 2. Gonypes tipuloides, 

 Latr. Hist. Nat. xiv. 309. G. cylindricus, Latr. Gen. Crust, iv. 

 301. Cons. Gen. 443. Macq. Hist. Nat. Dipt. i. 315, 1. G. 

 fuscus ? Macq. Hist. Nat. Dipt. i. 315, 3. 



a. England. 



b. ? From Mr. Children's collection. 



Leptogaster Proculus, n. s. Niger, thoracis maculis duabus rufis, 

 pectore cinereo, antennis piceis rufo cinctis, pedibus nigris femo- 

 ribus apice rufis, tibiis fulvo vittatis, alis flavo-fuscis basi ob- 

 scurioribus. 



Body black, shining : head as broad as the chest, covered with 

 hoary down, clothed behind and beneath with short white hairs, be- 

 set behind the eyes with a few black bristles ; front and clypeus 

 covered with pale tawny down ; clypeus armed with short black 

 bristles : eyes black ; fore part flat, its facets very much larger than 

 those of the other part: lip black, clothed at the tip with short yel- 

 low hairs ; palpi black, shining, clothed with long black hairs : 

 feelers red; first joint piceous; second joint much longer than the 



