AMERICAN PALEOZOIC INSECTS—HANDLIRSCH. 



755 



forms 2 twigs, the second and third always 3 twigs. Media with H or 

 4 otishoots. Veins bordered. 



Bolotype.— Cat No. 38673, U.S.N.M. 



SYSCIOPHLEBIA ADUMBRATA, new species. 



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

 mation; shales above the Ames limestone. 



Length of the front wing, about 2t! nnn. ScarceU' 2i times as long 

 as broad. Costal area hardly more than half as long as the wing. 



/ 



Fig. 58.— SYSCIOPHLEBIA ADUMBRATA. 



Radius with 4 branches, of which the first forms 3, the second, 6, and 

 the third, 3 twigs. Media with 4 l)ranches. Cubitus extended, with 

 about 9 chiefly simple branches. Veins boixlered. 

 HoIotype.^OAt. No. 38640, U.S.N.M. 



SYSCIOPHLEBIA FUNESTA ( Scudder) . 



Eloblatiina fiiriexta Scudder, Bull. V. S. Geol. Surv., No. 124, 1895, ]>. S5, pi. vi, 

 fig. 4. 



Locality. — Richmond, Ohio. Conemaugh formation; shales at)ove 

 the Ames limestone. 



SYSCIOPHLEBIA ROTUNDATA, new species. 



Locality. — Wills Creek, near 8teul)enville, Ohio. Conemaugh for- 

 mation; shales above the Ames limestone. 



Fig. 69— SYSCIOPHLEBIA ROTUNDATA. 



Front wing, 23 mm. long, less than 2^ times as long as broad. Cos- 

 tal area attaining two-thirds the length of the wing. Radius with 5 

 branches, the first, second, and fourth of which are furcate. Media 



