SARCOPHAGA AND ALLIES 95 



3. Frontals not extending below base of antenna;; 



arista short-plumose (Massachusetts, Penn- 

 sylvania, New Jersey) 



No. 12. Harheckia iessellata n. sp. 

 Frontals extending below base of antennee 4. 



4. Anterior acrostichals wanting 5. 

 Anterior acrostichals large 6. 



5. With the usual row of small hairs on lower para- 



facial; second abdominal segment usually 

 with a pair of median marginals; second 

 segment of hypopygium shining black 

 (Manitoba) 



No. 38. fletcheri n. sp. 

 With a single macroch^eta on lower parafacial; 

 hypopygium large; second abdominal with- 

 out median marginals (Georgia, Louisiana, 

 Texas, New Jersey) 



No. 10. Camptoj)?/ga aristata n. sp. 



6. Arista short-plumose; hypopygium large (wide- 



spread) No. 11. Agria affinis T'allen. 



Arista as usual, hypopygium small. 7. 



7. Second segment of hypopygium shining; palpi 



black; forceps short, stout, black (Califor- 

 nia No. 39. (lavidsoni Coq. 



Second segment opaque; palpi black; forceps 

 yellow, slender, strongly curved (New 

 Hampshire, Ohio) 



No. 40. atlanis n. sp. 



Second segment opaque; palpi yellow; forceps 

 slender, largely yellow 8. 



8. Forceps with a protuberance on the attached 



part, on which is a striking tuft of long, 

 straight black hair, whicli is invisible in re- 

 pose (widespread) 



No. 41. hunteri Hough 

 Forceps not with such tufts 9. 



