402 Professor Willi ston on the 



Wings smoky hyaline, distinctly clouded at the tip. Legs black ; 

 the first two joints of the front tarsi and the four posterior tibiae 

 and tarsi, except the terminal joints of the latter, light-yellow. 

 >/'■ Length 3 mm. 



JC^fi , Twelve specimens. St. Vincent. 



:f 



^ 



m. 



i(^'' 



OCHTHEEA. 



b^&,^ ^ Lafcreille; Hist. Nat. Crust, et Ins. xiv., 1804. 



1. Ochthera cuprilineata, n. sp. (PI. XIII., fig. 148, wiog.) 



^ , $ . Front with a large shining black spot, leaving the 

 lateral and front margins opaque brown. Antennae black. Face 

 opaque, light-yellow, with a median, shining black spot. Palpi 

 light yellow. Cheeks and posterior orbits opaque light-yellow. 

 Mesonotum and scutellum sub-shining, lightly bronze or brassy, 

 the former with three dark purple and coppery stripes. Pleurae 

 lighter, on the lower part shining black. Abdomen metallic-bronze 

 colour ; in some specimens the second and third segments with a 

 narrow shining black posterior band, apparently due to the detri- 

 tion of the metallic covering. Legs black ; the femora with more 

 or less of the metallic covering, like that of the mesonotum. 

 Front coxae white dusted, with a shining black spot on the outer 

 side ; front tibiae in part, and all the tarsi, save the distal joints 

 and the swollen hind metatarsi, red. Wings lightly clouded ; 

 somewhat yellowish on the costa in front. Length 5 mm. 

 v/^ ^ Eight specimens. St. Vincent. 



^Y^^* 



Ephydra. 





Fallen, Hydromyzidas, 1820. 

 1. JEphydra pygmasa, n. sp. (PL XIIL, figs. 147, wing; 



147(X, head.) 



(J , $ . Front opaque velvety black, the large ocellar triangle 

 shining. Antennae black, the third joint rounded ; arista bare or 

 • f^ very short pubescent. The vaulted portion of the face shining 

 \^ metallic-green, very lightly yellowish dusted ; border of the mouth 



with a number of hairs on each side; otherwise the face is bare, 

 except some weak bristles on the sides inferiorly. Wings clouded 

 w^ith blackish grey. Legs black, not at all shining, the tarsi and 

 portions of the tibiae more brownish. Halteres yellow. Hypopy- 

 gium very small ; fifth segment longer than the fourth. Length 



2^ mm. 



Fifteen specimens. Perseverance Valley, St. Vincent. 



