35S If<ni(H!rxch — Yew Paleozoic Insects from the 



Cheliphlebia mazona, new species. Fig. 35. 



The only parts present are the nearly circular prothorax of 

 about 8 mm in length and a 34""" long portion of an anterior 

 wing, which probably attained a length of 40 mm . Costa strongly 



Fig. 35. 



Fig. 35. Cheliphlebia mazona. xl'8. 



curved ; subcosta nearly straight, with irregularly waved rami- 

 fied branches that attain about three-quarters the length of the 

 wing. Radius very near the subcosta and not reaching the tip 

 of the w T ing, simple and uniting with the costa at a short dis- 

 tance below the subcosta. Sector rising at one-third of the 

 length, giving off only 2 oblique branches. Media cleft before 

 the middle into an anterior simple and a posterior forked 

 branch. Cubitus and anal area not preserved. 



Holotype in Peabody Museum, Yale University, Cat. ~No. 46. 



Family EUC^ENIDiE Handlirsch. 



The finding of new specimens allows a more exact descrip- 

 tion of this family to be given. What 1 had previously held 



