822 LIST OF DIPTERA. 



black bristles: feelers pitchy, shorter than the face ; third joint about 

 thrice the length of the second, flat above, very slightly convex 

 beneath, rounded at the tip ; bristle black, feathered for near two- 

 thirds of its length, about twice the length of the third joint : chest 

 adorned with four gray stripes ; middle pair double: scutcheon and 

 breast gray ; disk of the former black: abdomen oval, as long as the 

 chest, but broader, adorned with hoary reflections, which are dis- 

 posed in four rows of large irregular spots; tip red: legs black, 

 clothed with black hairs and bristles ; foot-cushions dark pitchy : 

 wings slightly gray ; shoulders tawny ; wing-ribs pitchy ; veins 

 black; tip cross-vein forming a little 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 ; lower cross-vein almost straight, but having two 

 very indistinct curves, the lower inward, the other outward ; scales 

 dingy white, with pale yellow borders. Length of the body 3 — 4 

 lines ; of the wings 6 — 8 lines. 

 a. North America ? Presented by the Entomological Club. 



Sarcophaga avida, n. s., fem. Nigra, capite aureo subtus cano, 

 thoraci vittis quatuor scutelloque fulvo-eanis, abdomine maculis 

 canisfulvo auroque micantibus quadrivttato, apice rufo,antennis 

 pedibusque nigris, alis limpidis. 



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

 a golden tawny covering, hoary beneath ; a broad black slightly 

 furrowed stripe between the eyelets and the feelers ; face dark gray ; 

 its sides somewhat ferruginous, fringed with bristles at the base : 

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

 black bristles ; eyes red : feelers black, nearly as long as the face ; 

 second joint ferruginous at the tip; third linear, rounded at the tip, 

 nearly twice the length of the second ; bristle much more than twice 

 the length of the third joint, feathered along half its length from the 

 base: chest adorned with four broad hoary stripes, which have a 

 tawny tinge ; the middle pair double : breast mostly hoary ; scutcheon 

 hoary with a tawny tinge, armed with some long black spines : ab- 

 domen elliptical, shining, not longer than the chest, tessellated with 

 four rows of irregular spots of hoary lustre, these spots are tawny in 

 some parts, and have a golden hue on each side; tip of the abdomen 

 bright pale red; underside hoary: legs black; clothed with black 

 hairs and bristles ; foot-cushions tawny ; a slight hoary tinge on 

 the thighs, and on the shanks : wings colourless; shoulders tawny; 

 wing-ribs pitchy ; veins black, pitchy towards the base ; tip cross- 

 vein forming hardly more than a right angle with the fourth longi- 

 tudinal vein, slightly curved inward near the base, almost straight 



