Diptera of St. Vincent (We^t Indies). 257 



1. Plafyura parva, n. sp. 



^. Antennae brownish-yellow, shorter than the thorax. 

 Posterior part of the mesonotum, the narrow lateral margins, 

 and three slender stripes, brown or black ; elsewhere the thorax 

 is yellow, save two spots on the pleurae, and the metanotum for 

 the greater part, which are black. Abdomen cylindrical, black, 

 the venter and immediate base yellowish. Coxae and legs yellow ; 

 the terminal portion of the tibiae, and the tarsi, brownish ; meta- 

 tarsi about three-fourths of the length of the tibiae ; all the tibiae 

 with a single spur and without spines. Wings lightly tinged ; the 

 anterior branch of the third vein terminates in the first vein near 

 its tip. Length 2^-3 mm. 



Two specimens. 



2. Flatyura ignohilis, n. sp. (PI. YIII., fig. 9^ wing.) 



$ . Base of antennae and the face yellow ; front and occiput 

 blackish. Thorax reddish-yellow, the dorsum with black hair 

 arranged indistinct rows. Scutellum and metanotum brownish. 

 Abdomen brownish-yellow, with black hair. Legs yellow, the tarsi 

 inf uscated ; front metatarsi not more than three-fourths the length 

 of the tibiae. Wings uniformly subinf uscated ; the anterior branch 

 of the third vein is nearly rectangular, terminating in the costa. 

 Length 3-4 mm. 



3. Platyura pictipennis, n. sp. (PI. VIII. , fig. 10, wing.) 



^ , $ . Front and face yellowish or brownish, the palpi darker 

 coloured. Antennae brownish, about as long as the thorax, mode- 

 rately compressed. Thorax yellow ; the dorsum, save a yellowish 

 spot or stripe in the middle, and the yellow lateral margins, brown 

 or black ; disk and sides of the metanotum brown. Abdomen 

 brown or blackish-brown, the posterior margin of each segment 

 yellow. Legs, including the coxae, yellow, the distal portion of the 

 tibiae, and the tarsi, brownish ; tibiae without spines ; front tibiae 

 and metatarsi of nearly equal length, the hind metatarsi shorter 

 than their tibiae ; all the tibiae with a single spur. Wings nearly 

 hyaline, with markings as follows : a large brown spot, reaching 

 from the costa to the fifth vein, over the prefurca ; another of about 

 the same size in the outer part of the first posterior cell ; and 

 smaller ones in all the cells on the posterior side of the wing ; the 

 anterior branch of the third vein runs into the costa a little beyond 

 the tip of the first vein. Length 3-3| mm. 



Six specimens. 



