o 



16 DIPTERA OF NORTH AMERICA. [PART II. 



with white hairs, fore feet slender, with black and much widened 

 tips ; middle feet pitchy towards the tips ; hind feet pitchy ; wing 

 colorless ; wing-ribs tawny ; veins black ; poisers pale tawny. 

 Fern. 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. 



&. North America. Presented by the Entomological Club. 



Page 665. Dolicltopus separatus, n. s., Fern. 



Viridis, abdominis apice cupreo, anteunis fulvis, articulo tertio 

 apice nigro, pedibus fulvis, tarsis nigris, alis subcinereis. 



Body green ; head covered in front with tawny down ; eyes 

 red ; mouth pitchy ; palpi tawny ; feelers tawny ; third joint oval, 

 black towards the tip ; bristle black ; breast, sides of the chest 

 and under side of the abdomen covered with white bloom ; abdomen 

 coppery towards the tip ; legs tawny ; four hind hips green, 

 covered with white bloom ; feet black ; wings slightly 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. Barnston, Esq. 



Page 665. Dolicliopiis termiraatus, n. s., Fern. 



Aureo-viridis, capite cyaneo-viridi, abdornine cupreo basi viridi, 

 antennis nigris, pedibus fulvis, tarsis piceis basi fulvis, alis sub- 

 cinereis fusco subvittatis. 



Head bluish-green, covered in front with golden clown, fringed 

 on each side with white hairs ; eyes bright red ; mouth pitchy ; 

 palpi tawny ; feelers black ; third joint nearly oval ; chest golden- 

 green ; sides and breast covered with hoary bloom, which also 

 appears beneath the abdomen ; abdomen copper-color, gf een at 

 the base ; legs tawny ; four hind hips green, covered with white 

 bloom ; feet pitchy, tawny towards the base ; wings slightly gray, 

 indistinctly tinged with brown along the borders of the veins ; 

 wing-ribs and poisers tawny; veins pitchy. Length of the body 

 2 lines ; of the wings 4 lines. 



a. North America. Presented by the Entomological Club. 



