Blptera of Si. Vincent {West Indies). 299 



front ; bristles very short, htiir-like. Pleurae yellow, with obscure 

 brownish spots. Metanotum and halteres yellow. Abdomen deep 

 brown or black, the basal segments with obscure yellow markings. 

 Legs yellow ; the tip of hind femora and tibise, and the distal 

 joints of all the tarsi brown or blackish. Wings broadly clouded 

 with brown at the tip and along the posterior margin, the inner 

 portion .«ubhyaline ; two dark-brown spots in the marginal cell, 

 separated by a yellow spot ; costal cell yellowish ; the cross-veins 

 with narrow, dark-brown clouds. 



One specimen. Allied to R. fenestralis, but differs in 

 tie abdomen and wings. 



STKATIOMYID^. 



Sakgus. 

 Fabricius, Ent. Syst. Suppl., 50(3, 1798. 



1. Sargus Incens. 

 Sarijus lucens, Loew, Centur., vii,, II. — Cuba. 

 Six specimens. 



Hekmetia. 



Latreille, Hist. Nat. des Crust, et Ins., xiv., 338, 1804. 



1. Hermetia illnccns. 



Muscx illncens, Linne, Syst. Nat., ii., 979. (For re- 

 maining synonymy, see Osten Sncken, Cat. 46, 

 and Williston, Trans. Amer. Ent. Soc. xv., 245.) 



IJalj. Southern United States; Mexico; Brazil; West 

 Indies. 



Eight specimens. Quite like others from the United 

 States and Brazil. 



Pelagomyia. 



Williston, Manual. N. A. Diptera, 48, 1896. 



1. Pelagomyia alhitalus, n. sp. (PI. X., fig. 75, head 



of $.) 



$ . Front and face deep shining green, with long and abundant, 

 erect black hair. Eyes thickly pilose. Antennae black ; second 

 joint a little shorter than the first, the third joint about twice the 

 length of the first two together, gradually tapering, the aunuli 



