Vicinity of Mason Creek, Illinois. 



373 



quadrate, the second a little shorter, the third, fourth, and 

 fifth again longer, and the eighth longer than broad. The ovi- 

 positor is nearly as long as the eightli segment, onjthe apex of 



Fig. 56. 



Fig. 56. Sypharoptera pneuma (anterior wing). x4'6. 

 Fig. 57. 



Fig. 57. Sypharoptera pneuma (posterior wing). x4'6. 

 Fig. 58. 





Fig. 58. Paralogopsis longipes (posterior wing). x 2*3. 



which it is inserted. Unfortunately nothing is preserved of 

 the terminal segments. The wings have their greatest breadth 

 before the middle and are three times longer than broad. 

 The first branch of the sector rises about in the middle of the 

 wing. 



Holotype in Peabody Museum, Yale University, Cat. No. 64. 



Am. Jour. Sci.— Fourth Series, Vol. XXXI, No. 185. — Mat, 1911. 

 26 



