Townsend — Genera of the Dipterous Tribe Sarcophagini. 197 



median vitta black, brown pollinose. Hypopygium black, silvery polli- 

 nose, tawny at base of forceps and in middle of hind margin of first 

 segment. No linking of marginal black into lateral abdominal vitta, but 

 a faint darker shade shows laterally under the thick silvery pollen. 

 Tegulae white. 



I can identify none of the above Galapagos forms with Sarcophaga 

 inoa Walker, List IV, 832. 



Umbelusia analis, new species. 



Length of body, 10.5 mm. ; of wing, 9 mm. One female, Umbelusi, 

 East Africa, "5. 3. 09" (C. W. Howard). Holotype. No. 21,579 

 U. S. N. M. 



Black, including antennae, palpi, frontalia, vittae, abdominal mark- 

 ings, and legs. Hypopygium reddish-yellow. Pollen silvery-ashy. Be- 

 sides the abdominal marmorations, deep black shows in narrow median 

 vitta and in heavy broken lateral vittae. Parafrontals blackish poster- 

 iorly. Parafacials transversely corrugated. Tegulae white. 



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