138 NEUROPTERA OF NORTH AMERICA. 



6. C. procera. 



Cordulia procera Selys' Collection. 



Hab. North America. Unknown to me. 



7. C. chalybea. 



Cordulia chahjhea Selys' Collection. 



Hah. Nova Scotia. Unknown to me. 



8. C. franklini. 



Cordulia franklini Selys' Collection. 



Hah. Hudson's Bay. Unknown to me. 



9. C. richardsoni. 



Cordulia richardsoni Selys' Collection. 



Hah. Mackenzie E-iver ; Labrador. Unknown to me. 



10. C. cingulata. 



Cordulia cingulata Selys' Collection. 



Hah. Newfoundland, Unknown to me. 



11. C. tenebrica. 



Cordulia tenchrica Selys' Collection. 



Hah. Nova Scotia. Unknown to me, 



12. C. saturata. 



Cordulia saUirata Selys' Collection. 



Hah. Nova Scotia. Unknown to me. 



13. C. albicincta! 



Epoplithalmia albicincta Burm. ! Haudb. II, 847, 8. 



Brassy-green, hairy; labium luteous, front inferiorly and at 

 sides, luteous, above and vertex brassy-green ; thorax bright green- 

 brassy ; feet black ; abdomen slender, at the base inflated, then 

 slenderer, the apex equal, brassy-black, the base each side, and 

 the last segment at the apex, luteous; appendages black, the supe- 

 rior ones short, depressed, straight, a basal tooth, and another 

 upon the middle beneath, apex truncated, an internal unguiculus, 

 which is arcuated, produced ; inferior appendage triangular, a 

 little shorter ; vulvar lamina bilobed ; wings hyaline, anterior 



