LIST OF DIPTERA. 819 



ny hairs ; palpi black, slender, beset with black bristles : feelers 

 black, nearly as long as the face ; third joint linear, obliquely trun- 

 cated at the tip, thrice the length of the second joint ; bristle more 

 than twice the length of the third joint, feathered for less than two- 

 thirds of its length : chest adorned with four hoary stripes ; inner 

 pair double; scutcheon and breast hoary: abdomen nearly ellipti- 

 cal, shorter and a little broader than the chest, adorned with hoary 

 reflections, which have a slight tawny tinge, and are disposed in 

 four rows of large irregular spots ; tip pale red : legs black, clothed 

 with black hairs and bristles ; thighs tinged with gray ; foot- 

 cushions tawny : wings nearly colourless ; shoulders tawny ; wing- 

 ribs pitchy; veins black ; tip cross-vein forming a right angle with 

 the fourth longitudinal vein, slightly curved inward at the base, 

 straight from thence to the tip, joining the border at some distance 

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

 the lower inward, more distinct than the other, which is outward ; 

 scales white, with yellowish white borders. Length of the body 

 2f — 3 lines ; of the wings 6 — 6^- lines. 

 a. North America? Presented by the Entomological Club. 



Sarcophaga importuna, n. s., fern. Nigra, capite cano, thoraci vit- 

 tis quatuor lateribus scutello pectoreque eanis, abdomine maculis 

 fulvo-canis quadrivittato, apice rufo, antennis pedibusque nigru, 

 tibiis piceis, alls subcinereis. 



Body black, clothed with black hairs and bristles : head hoary ; 

 a gray stripe between the feelers and the eyelets ; epistoma not pro- 

 minent; sides of the face fringed with bristles at the base : eyes red : 

 sucker black, clothed with tawny hairs ; palpi black, beset with 

 black bristles : feelers black, shorter than the face ; tip of the se- 

 cond joint red above ; third joint more than twice the length of the 

 second, flat above, very slightly convex beneath, truncated at the 

 tip ; bristle much more than twice the length of the third joint, fea- 

 thered for full two-thirds of its length : chest adorned with four 

 hoary stripes, which occupy nearly the whole of the back ; inner 

 pair double ; sides, scutcheon, and breast hoary : abdomen oval, a 

 little broader but not longer than the chest, adorned with hoary re- 

 flections, which have a slight tawny tinge, and are disposed in four 

 rows of large irregular spots ; tip red : legs black, clothed with 

 black hairs and bristles ; thighs and shanks tinged with gray ; 

 shanks pitchy ; foot-cushions pale tawny : wings slightly gray ; 

 shoulders tawny ; wing-ribs pitchy ; veins black ; tip cross-vein 

 forming hardly less than a right angle with the fourth longitudinal 

 vein, curved inward near the base, straight from thence to the tip, 

 joining the border at some distance above the tip of the wing; 



