308 Mr. F. Walker's Characters of undescribed Dlptera 



parted by much less than half its length from the border and by 

 a little less than its length from the flexure of the praebrachial ; 

 alulae cinereous. 



Length of the body 5 lines; of the wings 12 lines. 



Mexico. 



Sub-Fam. SARCOPH AGIDES. 



Genus Sarcophaga, Meig. 



Sarcophaga intermutans. 



Faem. — Cinerea, valida, capite albido, frontalibus nigris lineari- 

 bus, thorace vittis tribus latiusculis mediis vittisque duabus 

 lateralibus angustioribus nigris, abdomine sub-tessellato apice 

 fulvo, pedibus nigris robustis, alis cinereis. 



Female. — Cinereous, stout : head white ; frontalia black, linear ; 

 epistoma rather prominent ; thorax with three black, regular, 

 rather broad stripes, and with two more slender lateral black 

 stripes ; abdomen broader than the thorax, slightly tessellated, 

 tawny at the tip; legs black, stout; wings grey; veins black, 

 normal. 



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



Mexico. 



Sarcophaga perneta. 

 Mas. — Cinerea, sat robusta, capite pallide aurato, frontalibus 

 atris antice sublatescentibus, thorace vittis tribus Litis 

 nigris, abdomine tessellato, segmentis duobus apicalibus 

 auratis, pedibus nigris validis, alis cinereis. 

 Male. — Cinereous, rather stout : head pale gilded ; frontalia 

 deep black, widening slightly in front ; epistoma not prominent ; 

 thorax with three regular broad black stripes; abdomen tessel- 

 lated; two last segments gilded ; legs black, stout; wings grey ; 

 veins black, normal. 



Length of the body 3^ lines; of the wings 7 lines. 

 Mexico. 



Sarcophaga innota. 

 Fcem. — Cinerea, sat valida, capite albo, faciei lateribus subau- 

 ratis, frontalibus atris linearibus, thorace vittis tribus latis 

 cinereo-nigris, abdomine tessellato, pedibus nigris, alis 

 cinereis. 

 Female. — Cinereous, rather stout : head white, very slightly 

 gilded on each side of the face ; frontalia deep black, linear ; epi- 

 stoma not prominent ; thorax with three broad black stripes which 



