234 Mr. F. Walker's Characters of undescribed Diptera 



Female. — Black, shining; scutellum blackish blue; legs tawny; 

 wings limpid, with rows of brown spots between the veins, which 

 are black. 



Length of the body I line; of the wings 2| lines. 



United States. 



Ephydra nana. 



Fcem. — Nigra, nitens, pedibus flavis, femoribus nigris, tibiis- 

 posticis nigro fasciatis. 



Female. — Black, shining ; legs pale yellow ; femora black ; 

 hind tibiee with a black band ; wings very slightly greyish ; veins 

 pale. 



Length of the body 1 line ; of the wings 2 lines. 



United States. 



Fam. 17. (ESTRID^. 



Fam. 18. PHORID^. 



Genus Phora, Latr. 



Phora nehulosa, 



Fam. — Nigra, capite subtus, antennis pedibusque fulvis, alis 

 obscure cinereis apud medium sublimpidis. 



Female. — Black ; head tawny beneath ; antennae and legs 

 tawny ; wings dark grey ; middle part nearly limpid ; veins 

 black. 



Length of the body 2^ lines ; of the wings 4 lines. 



Tasmania. 



EPROBOSCIDiE. 

 Fam. 1. HIPPOBOSCIDiE. 



The genera Brachytars'tna (Macq. Mem. Soc. Nat. des Sci. &'c. 

 de Lille, 1850), and Raymondia (Frauenfeld, Akad. der Wissen- 

 schaften, 1855), may be united to Wiedemann's genus Strebla, 

 which is nearly allied to Megislopoda, (Macq. Ann. Soc. Ent. I'r. 

 2"'* Ser. X. 332.) 



