609 



Peco 



Daw. 



Pecopteris {Alethopteris) serrulata. Hartt. {Neuropteris 



serrulata^ Daw.) Dawson's Acad. Geol. 

 1868, p. 553, fig. 192 K. It is not P. ser- 

 rula^ nor P. serrata. It resembles P, plu- 

 mosa^ Bgt. with specific differences. Note. 

 '92 Fig. 192 L is P, pretiosa.—XIlI, 



Pecopteris schimperi. {Schimperiana. Fontaine and 

 White. Keport PP, 1880, page 75, plate 24, figs. 1 to 5.)— 

 XVII. Highest Coal measures of South Western Penna. and 

 West Virginia; in the roof shales of the Waynesburg bed. 

 Note. One of the most distinctive species of the formation; 

 two varieties of form, fig. 4, and figs. 1, 2, 3, 5 ; nervation same 

 in both; very like Pecopteris siihiana ot Brogniart (Hist. V, 

 F. 225, CV, 4) from the base of the Irias. — Fine specimens in 

 Mr. Lacoe's cabinet from the Great Vein of the HocMng Valley, 

 Ohio. 



Pecopteris serrula. {Alethopteris serrula^ Lesq Geol. Pa. 



X ^Sg 



