912 LIST OF DIPTERA. 



Musca Calisia, n. s. Cinerea, thorace vittis quatuor nigris, abdo- 

 mine nigro, cano et ad apicem fulvo-micante, palpis antennis pe- 

 dibusque nigris, alis subcinereis. 



Body gray, elotbecl with black hairs and bristles: head hoary 

 in front; a black stripe between the eyelets and the feelers; epi- 

 stoma not prominent; sides of tbe face bristly at the base: eyes 

 pitchy : fore part flat, its facets larger than those elsewhere : sucker 

 black, clothed at the tip with tawny hairs; palpi black, beset with 

 black bristles : feelers black, nearly as long as the face ; third joint 

 linear, truncated at the tip, full four times the length of the second 

 joint; bristle deeply fringed, longer than the third joint: chest 

 adorned with Tour black stripes : abdomen black, obconical, a little 

 shorter but hardly broader than the chest, adorned with hoary, and 

 towards the tip with tawny reflections, tawny beneath and on each 

 side of the base above: legs black, clothed with black hairs and 

 "bristles; foot-cushions tawny: wings slightly gray ; wing-ribs tawny; 

 veins black, tawny towards the base ; tip cross-vein forming 

 hardly more than a right angle with the fourth longitudinal vein, 

 curved inward near the base, straight from theuce to the tip, join- 

 ing the border at some distance above the tip of the wing; lower 

 cross-vein with two very slight curves, the lower inward, the other 

 outward ; scales white, with pale yellow borders. Length of the 

 body 2^ lines ; of the wings 5 lines. 



a. South Africa. Presented by the Entomological Club. 



Group III. Muscina, Desv. Essai Myod. 406. 



Mcsca stabulans, Fall. Muse. 52, 32. Melg. Dipt. v. 75, 42, pi. 

 43, /. 35. Zett. Ins. Lapp. 660, 29. Anthomyia cinerascens, 

 Wied. Zool. Mag. i. 1, 79, 28. Musca prodeo, Harr. Ex. 

 141, pi. 41,/. 41. Muscina stabulans, Desv. Essai Myod. 

 407, 2. Cyrtoneura stabulans, Macq. Hist. Nat. Dipt. ii. 

 277, 10. Meig. Dipt. vii. 309, 3. Zett. Dipt. Scand. iv. 

 1354, 9. 



a. Englaud. 



b. France. 



c. ? From Mr. Children's collection. 



d. ? Presented by the Entomological Club. 



e. Aix-la-Chapelle. Presented by F. Walker, Esq. 

 /. Nova Scotia. From Lieut. Redman's collection. 



