Vicinity of Mason Creek, Illinois. 



309 



Spaniodera parvida, new species. Fig. 13. 



The smallest of all known species ; the wings are only 22 mm 

 in length. Prothorax 5 mm . Sector forming only a simple 

 fork. "Anterior branch of the media trichotomous, posterior 

 branch simple. Cubitus long, with 5 branches. Posterior leg 

 very slender and comparatively long. 



Holotype in Peabody Museum, Yale University, Cat. No. 29. 



Fia. 13. 



Fig. 13. Spaniodera parvula. x 3. 



Fig. 14. S. angusta. xl - 9. 



Spaniodera angusta, new species. Fig. 14. 



Of a very slender shape. Length of the anterior wing 38 mm , 

 of the pronotnm 7 mm . Radial sector split into 3 or 4 twigs. 

 Media cleft very near the base. 



Holotype in Peabody Museum, Yale University, Cat. No. 30. 



Note. — Some of the species described by Scudder and 

 Melander may possibly belong to the genus Spaniodera. This 



