Vicinity of Mason Creek, Illinois. 



321 



middle into 2 branches converging toward the margin, the 

 anterior of these branches being attached to the posterior branch 

 of the sector by a long, oblique cross vein. The cubitus run- 

 ning nearly parallel with the posterior branch and with the 

 stem of the media, splitting quite near the base into an ante- 

 rior branch forming a short apical fork and into a posterior 

 branch cleft into 3 long branches which descend to the poste- 

 rior margin. Anal area long and lancet-shaped, showing dis- 



Fig. 26. 



Fig. 26. Apithanus jocularis. x 2. 



tinctly only 2 veins, but probably there were 2 more which are 

 not preserved. 



Holotype in Feabody Museum, Yale University, Cat. No. 39. 



Family NARKEMIDiE, new family. 



Anterior wings laid backward over the abdomen, broad, 

 elliptical, with a broad costal area ; much shortened subcosta 

 uniting with the radius and giving rise like the free end of the 

 radius to very regular oblique veinlets reaching the costa and 

 being themselves united by cross veins. Sector rising at 

 about a quarter of the wing length, giving off a small number 

 of branches which are directed toward the apical border. 

 Media independent of the radius, simple and only provided 



