238 LIST OF DIPTEEA. 



towards the tips ; poisers also piceous. Length of the body 6 lines ; 

 of the wings 16 lines. 



a. Mexico. Presented by E. P. Coffin, Esq. 



Anthrax Erebus, n. s., Div. I., Wied. Nigra, scutello apice ferru- 

 gineo, pedibus nigris, femoribus piceis, alls nigro-fuscis cinereo 

 vittatis, apice margineque postico cinereis. 



Head wanting: body black, clothed especially beneath with 

 bright ferruginous hairs: scutcheon dark ferruginous along the 

 hind border : legs black, clothed with ferruginous hairs and black 

 bristles ; thighs piceous : wings blackish brown, darkest at the base, 

 gray at the tips and on the hind borders, and having some gray 

 streaks on the areolets of the disks ; wing-ribs, veins, and poisers 

 piceous. Length of the body 4 lines ; of the wings 12 lines. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



Anthrax Cerberus, Fabr. Ent. Syst. iv. 256, 1. Syst. Anil. 118, 1. 

 Wied. Dipt. Exot. i. 118, 1. Auss. Zweif. i. 253, 2. Div. 1. 

 Macq. Hist. Nat. Dipt. i. 400, 1. Exoprosopa Cerberus, Macq. 

 Dipt. Exot. ii. 1, 38, 6, pi. 16, /. 5. 



a. Jamaica. From Mr. Gosse's collection. 



b. Jamaica. Presented by E. Doubleday, Esq. 



Anthrax Proserpina, Wied. Auss. Zweif. i. 257, 6. Div. 1. 



Exoprosopa Proserpina, Macq. Dipt. Exot. ii. 1, 38, 7. 

 a. Venezuela. From Mr. Dyson's collection. 

 b. ? 



Anthrax rufescens, n. s., Div. I., Wied. Fusca, scutello rufo, pec- 

 tore plerumque rufo, abdomine rufo-nigro univittato, pedibus 

 rufis, tarsis piceis, alis fuscis maculis fasciaque limpidis, apice 

 limpidis fuscoque maculatis. 



Head wanting: chest brown, thinly clothed with short red 

 hairs, and in front and on each side with longer bright tawny hairs ; 

 scutcheon red : breast mostly red,, brown here and there, clothed 

 with red hairs : abdomen red, thinly clothed with black hairs, and 

 having a broad black interrupted stripe along the disk ; there are 

 also some tawny hairs on each side, and more at the base and be- 

 neath which is all red : legs red, furnished with black hairs ; feet 

 piceous: wings brown, darker in some parts than elsewhere, with 

 two colourless dots on the disk, one nearly one-third of the length, 

 the other more than two-thirds of the length from the base ; a short 

 broad irregular colourless band occupies part of the disk from the 

 middle to the hind border, where it nearly surrounds a small brown 



