LIST OF DIPTERA. 743 



the tip of the wing ; lower cross-vein with two slight curves, the 

 lower inward, the other outward ; poisers dingy white. Length of 

 the body 5i lines ; of the wings 9 lines. 

 a. ? From Mr. Children's collection. 



Group VII. 



Tachina potans, Wied. Auss. Ziveif. ii. 299, 32. 

 a. China. 



Tachina Melobosis, n. s. Nigra, facie abdominisque segmentorum 

 marginibus anticis canis, palpis antennis pedibusque nigris, alis 

 cinereis, nervulo transverso nebuloso. 



Body black, clothed with black hairs and bristles : head ferru- 

 ginous on each side of the epistoma, clothed beneath with hoary 

 hairs ; face covered with hoary bloom, its sides completely fringed 

 with bristles ; epistoma tawny, not prominent : eyes pitchy, hairy : 

 sucker black, ferruginous and clothed with tawny hairs at the tip ; 

 palpi black, slender, beset with black bristles : feelers black, as long 

 as the face ; third joint linear, nearly six times the length of the se- 

 cond, almost truncated at the tip ; bristle not longer than the third 

 joint, its second joint more than twice the length of the first ; third 

 joint rather stout though tapering from the base to the tip : abdo- 

 meu obconical, shining, a little longer than the chest, adorned with 

 bands of hoary lustre along the fore borders of the segments : legs 

 black, clothed with black hairs and bristles ; foot-cushions tawny : 

 wings gray ; wing-ribs dark tawny ; veins black ; little cross-vein 

 clouded with brown ; tip cross-vein forming a slightly obtuse angle 

 with the fourth longitudinal vein, slightly curved inward along the 

 whole length, joining the border a very little above the tip of the 

 wing and close to the third longitudinal vein ; lower cross-vein al- 

 most straight, but with an indistinct inward curve; scales dingy 

 white, with yellow borders. Length of the body 2 lines; of the 

 wings 4 lines. 

 a. Florida. Presented by E. Doubleday, Esq. 



Tachina Admete, n. s. Nigra, capite abdomineque canis, hujus basi 



segmentorum marginibus posticis vittaque dorsali nigris , palpis 



fulvis, antennis pedibusque nigris, alis subeinereis. 



Body black, clothed with black hairs and bristles : head 



adorned with white lustre, which in some aspects assumes a tawny 



hue, clothed behind and beneath with hoary hairs ; epistoma slightly 



prominent ; sides of the face completely fringed with black bristles ; 



