611 



Pecop. 



the Cambridge, Mass., museum; also the fine specimen found 

 by Lesquereux in an old mine on Muddy Greek, Pottsville 

 anthracite coal basin. Also in the Rhode Island coal measure ; 

 at Wilkesbarie; Pittston; Pottsville; but not at Cannelton. 



Pecopteris velutina. Les. Geol. Pa. 1858, p. 866, pi. 12, 



r- fig. 3,3^; 



Xlll ^> • f'^'i^opUTLs rdunmi .Lesql "^^'fSKY ( K.^^r'^^^^J • ^ from 



John s- 

 to wn , 

 Cambria 

 Co., Pa., 

 venation 

 not visi- 

 ble under 

 the thick 

 \ skin ; but 

 in a speci- 

 men 

 after- 

 wards 

 i /\ , ( yi ^ i'l^'^JfJt-CU f /'//"'/) obtained 



V^MP^y^ nelton, 









s 



also with 



. ^ v\>;]^i a thick 

 4^/;/] shining 

 , . ' (^yjr'^ fK'^tx^^-^-^ skin 



i=:::j:js*"^^ 



v .. 



the leaf- 

 lets show 





%.^mlmaff\ /^y^H^^ 



of vena- 



'l'\ tion. 



/ L e s q . — 



Kittan- 



ningcoal. 



XIII, 



