204. , [AiTG. 



rior femora and of the tibiae llucl : stigma black, nervures fuscous. 3 liii. lonij. 

 S. E. Pensylvania, in June. 



The abdomen has a single transverse impressed line near the base, beyond 

 which the flavous color extends in a convex lunar form. 



DORYLUS Fahr. 



§ Abdominal peduncle hemispherical, nearly the size of the succeeding segment ; 

 mandibles incurved, antennae short. 



D. rvA.yiCEvs .Ilald . Glossy helvolus, fulvous pilose ; wings feintly tinged ; man- 

 bles, base of antennae, ocelli and feet rufonx : eyes dark and prominent : hair long 

 upon the head, thorax, apex and peduncle of the abdomen : mandibles wide at 

 base, but narrowed upon the inside from the middle to the apex, which is well 

 incurved, with the apex sharp and black. Long. 10, expanse 15, mandibles 1, 

 antennae 2 lines. 



Presented to the Acud. Nat. Sci. by Dr. T. S. Savage, who brought it from 

 Caps Palmas, W. Africa. The feet are very short and the femora much com- 

 pressed. The antennae are slender subulate, with 11 articulations, of which the 

 last is not readily distinguishable, the basal one is about one-third the entire 

 length. 



On leave granted, a paper was ])resented from Prof. S. F. Baird, of 

 ("arlisle, Penn., entitled, " Revision of the North American tailed- 

 Batrachia, with descriptions of new genera and species," which being 

 intended ibr publication in the Journal of the Academy, was referred 

 to a committee, viz.. Dr. Bridges, Dr. Hallowell and Dr. Leidy. 



