40T 



tinge along the borders of the veins; veins pitchy, tawny towards the 

 base ; lower cross-vein almost straight, slightly oblique, indistinctly clouded 

 with brown: halteres yellow. Length of the body U — U line; of the 

 wings 85 — 4 lines. 



United States. 



NOTIPHILA ARGENTATA. = i J/L.-l>^cl^<ic.cAX^L^.iX^ 



Fusca, tomentosa ; caput argenteum ; antentKe nu/rce, thorax fusco quad- 

 rivittatus ; pectus et abdomen subtiis alba ; pedes fulvi, tursis piceis ; 

 alee subcinerece. 



Brown, downy : head silvery white in front and beneath ; epistoma 

 prominent : feelers black ; third joint oblong, much longer than the second; 

 sixth black, feathered with long hairs: chest with four dark brown stripes, 

 the inner pair almost contiguous: breast white: abdomen obcouical, a little 

 longer than the chest, white beneath : legs tawny ; shanks darker than the 

 thighs; feet pitchy: wings slightly gray; veins black; lower cross-vein 

 straight, upright, parted by twice its length from the middle cross-vein : 

 halteres tawny. Length of the body 1 J line ; of the wings 3 lines. 



United States. 



NOTIPHILA TKANSVERSA, Focm. 



Nigra, fusco -totnentosa ; antenna picecB ; thorax cinereo bivittatus ; abdo- 

 men cinereo-tomentosum, apicc atteniiatum ; tarsi fulvi ; alee f%isco- 

 cinerece. 



Black, with a brown covering, beset with long bristles : feelers pitchy ; 

 third joint rounded at the tip, much longer than the second ; sixth black, 

 feathered with long hairs: chest with two gray stripes: abdomen ol)Conical, 

 with a gray covering, a little shorter than the chest ; tip attenuated and 

 furnished with two slender appendages : legs black ; knees ferruginous ; 

 feel tawny : wings gray, slightly tinged with brown ; veins black, tawny at 

 the base ; middle cross-vein very near the base ; lower cross-vein slightly 

 oblique, a little bent inward, hardly clouded with brown : halteres luteous. 



MaleP Feelers tawny : chest not striped ? knees tawny : cross wing- 

 veins clouded with brown ; lower cross-vein much curved inward. 



Length of the body U — If li"t^ I oi the wings 3— 3i lines. 



United States. 



