I IdN OF I III. S< il I'll JOGG1N8. 



n;i 



The roof supports an erect tree, a Sit/Maria, 8 feet high and 

 1 foot in diameter. It is also rich in Cyperites* Cordaitts, and 

 Calamitrs. The coal contains Calamilrs and also discigerous 

 tissue of Conifers or SigUlaria. 



ft. in. 



26 

 



(Gray sandstones and reddish and gray shales, with 

 several Stigmvian onderclayB, and coaly films or 

 thin vegetable soils. One Oi the undcrclays sup- 

 ports large stumps of SigUlaria, with Cyperites, 

 Cordaites, and Lepidodendron in the bed around 

 their bases) 38 6 



Red and gray argillaceous shale. 



Coal, 1 inch. 



Gray argillo-arenaccous undcrclay, Stigmaria, 4 ft. 

 Coal-group 17 J. Coal, 4 inches. 



Carbonaceous shale, 4 inches. 



Coal, 1 inch 4 10 



Gray arenaceous undcrclay, Stigmaria. 



The upper layer of coal consists in part of leaves of Cor- 

 daites. The middle layer has much Cordaites and Cyperites. 



(Undcrclay and gray shale) 2 3 



( Gray shale, as above. 



Coal-group 18 < Coal, 3 inches 3 



(^ Gray arenaceous undcrclay, Stigmaria. 



(Gray sandstone, and red and gray shale. Stigmarian 

 soils at two levels) ...... 



J Reddish shale. 

 Coal, 1 inch 



( Red argillaceous undcrclay, Stigmaria. 



The roof contains an erect SigUlaria. The coal and that 



of the previous bed were not well seen. 



(Gray sandstone and red and gray shales, with many 



drift-trunks and erect SigiUarice at four levels) . 222 

 ("Gray shale. 



Coal-group 20 ■< Coal, 1 inch 1 



(^ Red and gray underclay, Stigmaria. 



This coal contains much Cordaites. 



(Gray and red shales and gray sandstone. One Stig- 

 marian soil, and resting on it carbonaceous shale 



with Cyperites) 16 3 



' Gray shale. 



Coal, 2 inches. 



Underclay, Stigmaria, 2 inches. 



Coal, 1 inch. 



Underclay, 1 inch, Stigmaria. 



Coal, 3 inches . ' 9 



Argillaceous undcrclay, ironstone, and Stigmaria. 



These coals contain mineral charcoal, showing scalariform 

 and epidermal tissues. The coals are impure, and were probably 

 concealed at the time of Sir W. E. Logan's visit. 



* By this term I continue, for convenience, to designate the leaves of BigQlarim. 

 t I designate in this way coal-groups not noticed in Logan's section. 



Coal-group 20af...< 



