THE CANADIAN ENTOMOLOGIST. 



155 



(counting the cephalic the first) longer than the head, a little narrower 

 than the third segment, with a deep scallop on the anterior margin 

 above, into which fits the head, forming an anterior lateral dark brown 

 spinous process on each side of the segment; third segment of nearly 

 full width, shorter than the second ; fourth and fifth segments of equal 

 length, shorter than the third ; segments six to ten nearly equal in 

 length, one and one-half times so long as four and five ; segment eleven 

 slightly longer, a little narrower than the tenth ; anal segment about one- 

 half so long as the eleventh, in some specimens very light, in others dark 

 brown or nearly black, sculptured, narrowed posteriorly, anterior upper 

 margin raised, posterior portion 4-cleft behind exhibiting a pair of 

 processes above and below. 



Length about 8 mm. ; width nearly i mm. 



Described from several alcoholic specimens. 



CoRDYLURA, Fall., Spec. Ent. etc. Cleig 

 (1810). 

 angustifrons, Lw. 

 bimaculata, Lw. 

 confusa, Lw. 

 flavipes, Lw. 

 gagatina, Lw. 

 glabra, Lw. 

 gracilipes, Lw. 

 latifrons, Lw. 

 lutea, Lw. 

 inujida, Lw. 



picticoniis {not pictipe/mis), Lw. 

 pleuritica, Lw. 

 prceusta, Lw. 

 scapularis, Lw. 

 setosa, Lw. 

 termmalis, Lw. 

 vittipes, Lw. 

 unili?ieata, Zett. 



Note. — Cordylura qualis, Say, does 

 family. 



ASTRA, Mcq., Hist. Nat. Dipt. 

 IL 384 (1835). 



aaiticor?iis, Lw. 



aditsta, Lw. 



albibarba, Lw. 



cap ill at a, Lw. 



cinda, Lw. 



c07-}iuta, Lw. 

 fulvibarba, Lw. 



gilvipes, Lw. 



hcemorrhoidalis, Meig. 



ivipiidica, Reiche. Bull. Soc. 

 Ent. Fr., 1857, p. ix. (not 



P- 77)- 

 inennis, Lw. 



megacephala, Lw. 



nana, Lw. 



tricinda, Lw. Centur. IX., 85. 



.? variabilis, Lw. 



not belong anywhere in this 



