756 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



with 3 simple offshoots. Cubitus vaulted, with 7 branches, the first 

 of which is forked. Apical border broadl}- rounded. 

 miotype.— Cut. No. 88051, U.S.N.M. 



SJYSCIOPHLEBIA NANA, new species. 



Localify. — Wills Creek, near Steiil)enville, Ohio. Conemaucrh for- 

 mation; shales above the Ames limestone. 



Front wing, 20 mm. long-, not quite 2^ times as long as ))road. 

 Costal area reaching half the length of the wing. Radius with 5 



Fig. 60— Sysciophlebia nana. 



branches, the first, third, fourth, and fifth of which are forked, and the 

 second is divided into 3 twigs. Media with 2 ott'shoots. Cubitus with 

 S simple branches directed backward, and with one offshoot directed 

 backward. Veins bordered. 



Tfoh>ti/2)e.^VA\i. No. 38648, U.S.N.M. 



SYSCIOPHLEBIA OBTUSA, new species. 



Locality. — Wills Creek, near Steubenville, Ohio. Conemaugh for- 

 mation; shales above the Ames limestone. 



Front wing, 22 mm. long, scarcely 2^ times as long as wide. Costal 

 area extending half the length of the wing, and obliquel}- truncate at 



Fig. ()1 —SYSCIOPHLEBIA OBTUSA. 



the end. Radius with 5 branches, the second of which is twice furcate, 

 all others being simply forked. Media with 2 compound Itranches. 

 Cubitus with about 8 or 9 simple offshoots. 

 Ilolotijpe.—Cst. No. 38660, U.S.N.M. 



