DolicJiojpodidse of St. Vincent {West Indies). 319 



gradually wider ; beyond the lower corner of the eye it hangs 

 down in a thin sheet, rounded below, about as far as its own width. 

 The mouth parts hang down behind this. The whole face is 

 silvery white. The proboscis and palpi are brown. Front some- 

 what excavated, deep metallic-blue, approaching violet in colour, 

 very slightly dusted in the middle ; along each side and across 

 behind the ocelli white pollinose. Antennse situated far above the 

 middle of the face, directed strongly upward, as compared to the 

 head alone ; the latter, however, stands in an oblique position, 

 strongly receding below, so that the antennae are in reality directed 

 straight forward. Immediately below their origin there is an 

 angle in the profile of the head, and it begins to recede. First 

 joint of the antennae long and slender, yellow, with hairs above, 

 the second projects considerably in a rounded curve over the inner 

 edge of the third ; it is also yellow. Third joint large rounded, a 

 little longer than high, with a slight point. The arista is dorsal, 

 thick, short, nearly bare, curved downward, brown in colour. 

 Third joint of antennae brown at the tip. Cilia of inferior orbit 

 white. Occiput dark-green, dusted on each side. Dorsum of 

 thorax shining metallic-green, in an oblique view, more blue or 

 violet, darker and more bluish near the borders. Acrostichal 

 bristles two rowed ; a considerable area of small humeral bristles. 

 The transverse suture is wholly bronze-black, which colour extends 

 narrowly toward the anterior. Just below this is an elongate 

 silvery pollinose spot, reaching forward to a point above the 

 humerus. Pleurae greenish- black, covered with bluish white dust, 

 Tegulae infuscated, with black cilia. Halteres yellow. Scutellum 

 shining bluish-green, with a very large and a very small bristle on 

 each side. Between the corner of the scutellum and the root of 

 the wing is an excavated area, black, with a handsome silver spot. 

 Abdomen bluish-green, with rather long bristles bordering the 

 segments behind. When viewed in the proper light, each segment 

 beyond the first is white pollinose on the anterior half, except in 

 the middle of the dorsum. Toward the venter this pollen becomes 

 dense and silvery. In the same light the posterior half of each 

 segment is deep metallic violet-blue. Hypopygium large, exserted, 

 turned under the venter. It is opaque-black, except some of the 

 inner parts, which are brownish or yellowish. The lamellae are 

 large, parallelogram shaped, somewhat oblique, black. Along 

 the upper margin of each are two slender curved yellow bristles, 

 some distance apart. Fore and middle coxae with a few hairs and 

 bristles ; hind ones with a single lateral bristle. Fore coxae yellow, 

 the others brownish-black. Femora and tibiae yellow. Tarsi 

 blackened from the middle of the first joint, middle tarsi a little 



