664 LIST OF DIPTERA. 



covered with white bloom : abdomen brassy green, covered beneath 

 with white bloom : legs pale tawny, clothed with short black hairs 

 and with a few black bristles ; middle hips partly green ; tips 

 of shanks pitchy ; feet pitchy, pale at the base: wings slightly gray; 

 wing-ribs pale tawny ; veins pitchy ; fourth longitudinal vein 

 straight ; poisers yellow, tawny towards the base. Length of the 

 body 2J lines ; of the wings 4^ lines. 



a. Interior of South Africa. Presented by the Earl of Derby. 



Dolichopus confinis, n. s., fern. Mneus, viridi varius^ capite viridi, 

 antennis nigris, pedibus fulvis, tarsis piceis, tibiis posticis apice 

 tarsisque posticis nigris, alis cinereis. 



Body brassy, mingled here and there with green : head green? 

 covered in front with white down, clothed along the sides of 

 the eyes with white hairs : eyes red : mouth pitchy : feelers black ; 

 third joint nearly oval, rather short : breast covered with white 

 bloom : legs tawny ; feet pitchy, tawny towards the base ; hind feet 

 and tips of hind shanks black : wings gray ; wing-ribs and poisers 

 tawny ; veins black. Length of the body 2 lines ; of the wings 4 

 lines. 



a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 

 G. Bamston, Esq 



Dolichopus conterminus, n. s., mas. Viridis, thoracis disco abdo- 

 mineque aureo-viridibus , hujus apice ceneo, antennis nigris, pedi- 

 bus fulvis, tarsis anticis apice nigris latis, tarsis rnediis apice 

 posticisque piceis, alis limpidis, fem. tarsis piceis basi fulvis, tar- 

 sis posticis nigris. 



Body bright green : head covered with tawny down, fringed 

 along the sides of the eyes with white hairs : eyes bright red, 

 covered with white down : mouth pitchy ; palpi tawny : feelers 

 black ; third joint rather large : abdomen and disk of the chest gol- 

 den green : breast and sides of the chest covered with hoary bloom, 

 which also slightly tinges the underside of the abdomen : tip of the 

 abdomen brassy ; appendages tawny ; scales white, slightly bordered 

 with black : legs pale bright tawny ; four hind hips mostly green, 

 and covered with a white bloom ; thighs fringed with white hairs : 

 fore feet slender, with black and much widened tips; middle feet 

 pitchy towards the tips ; hind feet pitchy : wings colourless ; wing- 

 ribs tawny ; veins black ; poisers pale tawny. Fem. — Feet pitchy, 

 tawny towards the base ; hind feet black. Length of the body 2 

 lines ; of the wings 4 lines. 



a. New York. Presented by E. Doubleday, Esq. 



b. North America. Presented by the Entomological Club. 



