E. H. Sellards — Types of Permian Insects. 353 



interpolated veins of the sector arise from the upper division. 

 The media is deeply forked; the cubitus is long. The cos- 

 tal brace is rather long. The slender body and wings give to 

 this genus much resemblance to the Zygopterous Odonates. 



12 



Fig. 12. Scopus gracilis gen. et sp. n. A genus with very slender, long 

 abdomen, and with delicate corrugated wings. Male specimen ; two segments 

 of the forceps are seen. The caudal setse are apparently slender. Their 

 preservation, however, is not very distinct. Other specimens, not illustrated, 

 but belonging with the group of genera with slender abdomen, have caudal 

 setae of the average size and of some considerable length. The segments in 

 the median area of the abdomen of this genus are approximately one and 

 one-half times as long as broad. . Enlarged 4 times. 



The delicate wings of the type specimen have suffered lat- 

 eral compression, partly obscuring the radial area at the base 

 of the wings. The subcosta and radius have the appearance 



