Proceedings U. S. National Museum, Vol. X, 1887.— Lesquereux. 



PLATE I. 



1 — Fittonia? spec. (p. 32). 



2 — Pecopteris Powellii, n. sp. (p. 26). 



2a. — Same, enlarged pinnule. 

 3 — Caulinites Beckeri, n. sp. (p. 36). 



