L. Lesquereux on the Coal-Formations of the United States. 203 
1 
larger leaves of the inferior secondary p1 In Neurupteris 
, again, the leaves attached to the primary pinnze 
teris aS oo Frond 
Pinnately, bi- or tri-pinnately divided ; pinnules or leaves of various 
Bis, sei iblong. oval. patty! —- oe act rth ay oo 
ringed. emi 4 
Media eopngegommmernapage 90> nishing above; secondary 
; ‘ . * ' and 
* As the genus is here limited, both the species Neuropteris Moorii Lsqx., and 
Neuropteris iienties tank ought to be separated from it and placed elsewhere. 
