Diptera of 8t. Vincent (West Indies). 389 



towards the sides, and forming a sharply-limited brown stripe on 

 the dorso pleural suture ; in the middle a more or less feebly 

 indicated slender light-coloured line extending on the scutellum. 

 Abdomen in large part brown, perhaps of post-mortem origin. 

 Legs light yellow. Wings cinereous hyaline, the narrow costal 

 margin, extending to the tip of the fourth vein, brown ; on the 

 cross-veins slight indications of clouds. Posterior cross-vein less 

 than its own length on the fifth vein from the margin of the wing. 

 Length 4^ mm. 



Two specimens. This species will be best dis- 

 tinguished from T, vittatus by the brown costal margin 

 of the wings. 



EPHYDEID^. 



NOTIPHILA. 



Fallen, Hydro myzidae, 1823. 



Mesonotum not vittate ; abdomen cofEee-brown and grey, opaque, 

 Mesonotum with numerous small brown dots ; grey spots 



of the abdomen irregular hellula, n. sp. 



Mesonotum not with numerous small brown dots ; grey 



spots of the abdomen regular .... decorata, n. sp. 



1. Notifhila decorataj n. sp. 



^ , $ . Front opaque grey, the triangle and the narrow orbits 

 a little lighter coloured. Antennae black, the third joint at the 

 base somewhat yellowish. Face, cheeks, and occiput densely light- 

 grey, opaque. Palpi brownish. Mesonotum and scutellum densely 

 light-grey, opaque ; the bristles of the mesonotum and scutellum 

 arise from small black spots, but the hair is shorter than in N. 

 hellula and does not arise from small brown dots. Abdomen 

 opaque dark coffee-brown, with a narrow, complete, median stripe, 

 and interrupted posterior bands to the second and following seg- 

 ments nearly white, opaque ; the spots are separated in all save 

 the last segment from the median stripe by a narrow brown space. 

 Femora, except the immediate tip, the tibiae in large part, and the 

 terminal joints of the tarsi, black ; the legs elsewhere yellow. 

 Wings brownish-hyaline. Length 4 mm. 



Two specimens. St. Vincent. 



