Biptera of St. Vincent {West Indies). 285 



brownish ; termination of the auxiliary vein at a distance beyond 

 the origin of the second longitudinal vein about equal to the length 

 of the first section of the third vein. Length 5 mm. 



Three specimens, leeNvard side, and at an altitude of 



lOOO feet. 



2. Geranomyia, sp. 

 $ . Yellowish-red, the mesonotum with three, rarely distinct, 

 slender, brownish stripes. Antennae somewhat infuscated. Head 

 black, whitish pruinose. Antennae yellowish, or yellowish-brown. 

 Proboscis black. Legs red ; the tarsi luteous. Wings nearly 

 hyaline ; stigma small, distinct ; the auxiliary vein terminates 

 opposite the origin of the second longitudinal vein. Knob of 

 halteres brown. Proboscis as long as the abdomen. Length 5 mm. 



Six specimens. 



3. Geranomyia rostrata. 



Limnohia rostrata, Say, Journ. Acad. Nat. Sci. Phil.^ 

 iii., 22 ; Wiedemann, Auss. Zw. Ins., i., 35. 



Geranomyia rostrata, Osten Sacken, Proc. Acad. Nat. 

 Sci. Phil. 1859, 207 ; Monogr., etc., iv., 79. 



Hah. Atlantic States ; Canada ; Cuba. 



Two specimens, male and female, which agree fairly 

 well with Oscen Sacken's description and observations. 

 The brown stripes of the dorsum of the thorax are well 

 marked, but the tip of the tibias is not black, and there 

 are but four brown spots along the front border of the 

 wing, as Wiedemann describes. 



RnipJDiA. 



Meigen, Syst. Beschr., i., 153 (122), 1818. 



1. Rhipidia hipectinata, n. sp. (PI. IX., fig. 5I<, wing.) 



$. Antennae long, bipectinate ; thorax without brown 

 stripes ; wings clouded, unspotted. Length 5 mm. 



Rostrum palpi and antennae black, the last long-bipectinate, 

 beginning with the second joint of the flagellum. Mesonotum 

 light opaque yellow in front ; in the middle, in front of the suture, 

 brownish ; behind the suture, with two large brown spots. 

 Pleurae brown ; a longitudinal, more blackish stripe, just below 



TRANS. ENT. SOC. LOND. 1896. — PART III. (SEPT.) 20 



