LIST OF DIPTERA. 1049 



the lower cross-vein ; middle cross-vein straight, slightly oblique ; 

 lower cross-vein nearly upright, very slightly curved outward, parted 

 by much more than four times its length from the middle cross-vein 

 and from the end of the fourth longitudinal vein, and by less than 

 its length from the end of the fifth longitudinal vein ; poisers pale 

 tawny. Length of the body 3 lines; of the wings 5 lines. 

 a. St. Martin's Falls, Albany Kiver, Hudson's Bay. Presented by 

 G. Barnston, Esq. 



Calobata cibaria, Meig. Dipt. 378, 2. Macq. Hist. Nat. Dipt. ii. 

 490, ]. Zett. Ins. Lapp. 4, 756, 1. Musca cibaria, Linn. Syst. 

 Nat. ii. 995. Faun. Suec. 1859. Gmel. Ed. Syst. Nat. 1, 5, 

 2853, 102. Schrank, Faun. Boic. iii. 2497. Calobata cothur- 

 nata, Fall. Geomyz. 2, 2. C. solidaginis, Desv. Essai Myod. 

 7391. C. soror, Desv. E. M. 739, 2. 



a. England. 



Calobata cothurnata, Meig. Dipt. v. 379, 3, pi. 52, /. 18, 19. 



Macq. Hist. Nat. Dipt. ii. 490, 3. Musca cothurnata, Panz. 



Faun. Germ. 54, 20. 

 a. England. 



Calobata sellata, Meig. Dipt. v. 380, 5. Macq. Hist. Nat. Dipt. 



ii. 490, 5. 

 a. England. 



Calobata univitta, n. s., mas. Ferruginea, capite pectoreque albo 

 tectis y ihorace nigro univittato, abdominis disco nigro, palpis an- 

 tennis pedibusque fulvis, femoribus posticis apice fusco cinctis, 

 alis subfulvis. 



Body ferruginous : head adorned with a white covering ; 

 sides of the face without bristles ; epistoma not prominent : eyes 

 pitchy, convex, all the facets very small ; sucker pitchy, 

 clothed with tawny hairs ; palpi tawny : feelers lawny, much 

 shorter than the face ; third joint longer than the second, rounded 

 at the tip ; bristle black, feathered to the tip with very short hairs, 

 more than twice the length of the third joint : chest adorned with a 

 black stripe ; breast with a whitish tinge : abdomen linear, cylin- 

 drical, narrower and much longer than the chest ; d isk black : legs 

 tawny, rather long ; feet darker towards the tips ; claws black ; a 

 brown band very near the tip of each hind thigh : wings narrow, 

 slightly tawny ; wing-ribs tawny ; veins pitchy, tawny towards the 

 base ; third and fourth longitudinal veins including a lengthened, 

 spindle-shaped areolet, approaching rather near to each other at the 

 tip of the wing; lower cross-vein very slightly curved outward, 

 PART IV. 4 Y 



