LIST OF DIPTERA. 821 



Sarcophaga segra, n. s., fem. Nigra., capite flavo-albo vestito, tho- 

 raci vittis quatuor scutelloque fulvo-canis, pectore cinereo, abdo- 

 mine maculis fulvo-canis quadrivittato, antennis pedibusque 

 nigris, alls sublimpidis. 



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

 with a yellowish white covering, clothed beneath with hoary hairs ; 

 a black stripe fringed with bristles between the eyelets and the 

 feelers; epistoma pale yellow, not prominent; sides of the face 

 fringed with bristles at the base: eyes pitchy ; fore part nearly flat, 

 its facets larger than those elsewhere : sucker black, clothed at the 

 tip with tawny hairs ; palpi black, beset with black bristles : feelers 

 black, shorter than the face ; third joint flat above, very slightly 

 convex beneath, rounded at the tip ; bristle more than twice the 

 length of the third joint, feathered for two-thirds of its length : chest 

 adorned with four hoary bands, which have a slight tawny tinge ; 

 inner pair single; scutcheon of the above-mentioned colour, slightly 

 tawny at the tip ; breast gray : abdomen oval, a little broader, but 

 not longer than the chest, adorned with hoary reflections, which 

 have a slight tawny tinge, and are disposed in four rows of irre- 

 gular spots: legs black, clothed with black hairs and bristles ; 

 thighs and shanks tinged with gray ; foot-cushions pitchy : wings 

 nearly colourless ; shoulders yellow ; wing-ribs pitchy ; veins black, 

 pitchy towards the base ; tip cross-vein forming a slightly acute 

 angle with the fourth longitudinal vein, much curved inward at the 

 base, straight from thence to the tip, joining the border at some dis- 

 tance above the tip of the wing ; lower cross-vein with three curves, 

 the lower outward and very slight, the second distinct and inward, 

 the third slight and outward ; scales white, with pale tawny borders. 

 Length of the body 5 lines ; of the wings 10 lines. 



a. Massachusetts. From Professor Sheppard's collection. 



Sarcophaga collinaris. Myophora collinaris, Desv. Essai Myod. 



345,26. 

 a. France. 



Sarcophaga, querula, n. s., mas. Nigra, capitis lateribus ferrugi- 

 neis, thoraci vittis quatuor scutello pectoreque cinereis, abdomine 

 maculis canis quadrivittato, antennis piceis, pedibus nigris, alis 

 subcinereis. 



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

 ginous on each side of the face, with a hoary tinge beneath ; disk of 

 the face white, its sides fringed with bristles at the base ; epistoma 

 somewhat tawny, not prominent : eyes pitchy : sucker black, 

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

 PART IV. 4 C 



