314 / DIPTERA OF NORTH AMERICA. [PART II. 



abdomen copper colored ; legs tawny ; feet pitchy towards the 

 tips ; wings slightly gray ; wing-ribs and poisers tawny ; veins 

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

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



Page 662. Dolichopus discessus, n. s., Fern. 



Cyaneo-viridis, thorace cupreo bivittato, abdomine seneo-viricli, 

 antenuis pedibusque fulvis, tarsis posticis piceis, alis subcinereis. 



Body bluish-green ; head covered in front with white down ; 

 eyes bright red ; mouth and feelers tawny ; bristle black ; chest 

 adorned with two bright copper-colored stripes ; sides and breast 

 covered with white bloom ; abdomen green, brassy here and there, 

 especially towards the tip ; sides and under side covered with white 

 down ; legs tawny ; tips of feet and hind feet, except the base, 

 pitchy ; wings slightly gray ; wing-ribs and poisers tawny ; veins 

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



a. Massachusetts. From Prof. Sheppard's collection. 



Page 663. Dolicliopus contiguus, n. s., Mas. 



Aureo-viridis, thorace viridi-cyaneo, lateribus purpureo variis, 

 abdomine cyaneo et cupreo vario, antennis nigris, pedibus fulvis, 

 tarsis anticis apice nigris latis, tarsis mediis piceis, basi fulvis, 

 tarsis posticis nigris, alis limpidis. 



Head golden-green, covered in front with pale tawny down ; 

 eyes bright red ; feelers black ; third joint oval ; chest greenish- 

 blue, with a slight purple tinge on each side ; abdomen golden- 

 green, slightly bluish and coppery here and there ; breast and 

 under side of the abdomen covered with hoary bloom ; tip black ; 

 appendages tawny, scales whitish ; legs tawny ; four hinder hips 

 mostly green, and tinged with hoary bloom ; tips of fore feet 

 black, much widened ; middle feet pitchy, tawny at the base ;* hind 

 feet black ; wings colorless ; wing-ribs and poisers tawny ; veins 

 pitchy, tawny towards the base. Length of the body 2 lines ; of 

 the wings 4 lines. 



a. New York. Presented by the Entomological Club. 



Page 663. Dolicliopus exclusiis, n. s., Fern. 



Cupreus, nonnunquam viridi varius, abdomine purpureo-cupreo, 

 'antennis nigris, articulo primo subtus fulvo,' pedibus fulvis, tarsis 

 nigris, alis subcinereis, 



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