LIST OF DIPTERA. 1145 



bristles; hind borders of its latter segments pale: legs tawny, 

 clothed with black hairs ; thighs at the base and hips pale tawny ; 

 feet pitchy ; claws black : wings pale brown ; veins pitchy ; fore 

 border veins at intervals, and wing-ribs pale tawny ; second longi- 

 tudinal vein united to the costal vein long before the end of the 

 latter. Length of the body 1 line ; of the wings 4 lines. 

 a. Jamaica. On Ephialtes grammicus. From Mr. Gosse's collec- 

 tion. 



Ornithomyia, n. s. ? 



a. Jamaica. On Psittacus leucocephalus. From Mr. Gosse's col- 

 lection. 



Ornithomyia, opposita, n. s. Fulva, antennis palpisque fuscis, tho- 

 race antico bispinoso, pedibus viridi-fulvis, alls subfuscis. 



Body tawny, smooth, shining, thinly beset with black bristles : 

 feelers and palpi dark brown : eyes and eyelets pitchy ; facets of 

 the eyes rather large, especially next the crown : a short spine pro- 

 jecting on each side of the fore border of the chest, which has one 

 longitudinal and two cross furrows, one of the latter disappears in 

 the disk : abdomen dull, thickly clothed with black hairs : legs pale 

 tawny, tinged with green, beset with a few bristles ; claws black ; 

 foot-cushions whitish : wings pale brown ; wing-ribs pitchy ; veins 

 black. Length of the body 2 lines ; of the wings 5 lines. 

 a. New Zealand. From Mr. Earl's collection. 



Ornithomyia fulvifrons, n. s. Picea, capite antico fulvo, thoracis 

 spinis apice Jiavis, pedibus fusco-fulvis, tarsis piceis, alis lim- 

 pidis. 



Body pitchy, smooth, shining : fore part of the head, mouth 

 and all the appendages bright tawny, beset with tawny bristles ; 

 crown dull in the middle, where one longitudinal and two diagonal 

 furrows meet: a large spine, pale yellow towards the tip, projecting 

 on each side of the fore border of the chest, whose two furrows are 

 obsolete at their point of intersection : hind border of the scutcheon 

 armed with a row of short black bristles : abdomen dull, clothed 

 with short black hairs : legs brownish tawny, beset with black bris- 

 tles ; feet pitchy ; knees and claws black ; foot-cushions yellow : 

 wings colourless ; wing-ribs and veins pitchy ; fore border veins 

 black. Length of the body 2 lines; of the wings 6 lines. 

 a. Jamaica. On Ortyx Virginiana. From Mr. Gosse's collection. 



PART IV. 5 G 



