SECTION OF THE SOUTH J0UUIN;3. 161 



The roof supports an erect tree, a Sigillaria, 8 feet high and 

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

 Calamites. The coal contains Catamites and also discigerous 

 tissue of Conifers or Sigittaria. 



ft. in. 



(Gray sand.stones and reddish and gray shale.'!, with 

 several Stigmaiian underclays, and coaly films or 

 thin vegetable soils. One of the underclays sup- 

 ports large stumps of Sigillaria, with CUjperites, 

 Cordaites, and Lepidodendron in the bed around 



their bases) 38 6 



' Red and gray argillaceous shale. 



Coal, 1 inch. 



Gray argillo-arenaceous uuderclay, Stir/marla, 4 ft. 

 Coal-group 17 ^ Coa7, 4 inches. 



Carbonaceous shale, 4 inches. 



Coal, 1 inch 4 10 



Gray arenaceous underclay, Stigmaria. 



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

 daites. The middle layer has much Cordaites and Cyperites. 



(Underclay and gray shale) ..... 

 ( Gray shale, as above. 



Coal-group 18 ■< CoaZ, 3 inches 



(^Gray arenaceous underclay, Sligmaria. 



(Gray sandstone, and red and gray shale. Stigmarian 

 soils at two levels) ...... 



( Eeddish shale. 



Coal-group 19 -< Coal, 1 inch 



(^ Red argillaceous underclay, Stigmaria. 



The roof contains an erect Sigillaria. 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 SigiUarlce at four levels) . 222 

 TGray 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 Cyperitts) 16 3 



' Gray shale. 

 Coal, 2 inches. 



Underclay, Stigmaria, 2 inches. 

 Coal-group 20«t----i Coal, 1 inch. 



Underclay, 1 inch, Stigmaria. 



Coal, 3 inches 9 



Argillaceous underclay, ironstone, and Stigmaria. 



These coals contain mineral charcoal, showing scalariform 



and epidermal tissues. The coals arc 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 SigillaricE. 

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



