554 DOMAIN VI. CARBONACEOUS. 



a shining fracture ; of Pacherstolln at Schemniz, 

 in Hungary. 



" It adheres to a blue argil, greyish, mixed 

 with pyrites. The vein, in which it is found, is 

 filled with this argil, which is only a decomposi- 

 tion of the metalliferous rock. It is in this argil 

 that different sized pieces of this coaly plomba- 

 gine are found, which for the most part have a 

 cylindrical form. They even seem to be com- 

 posed of concentric layers round a kernel ; in 

 short, this plombagine nearly resembles wood, 

 and to all appearance has a vegetable origin." 



Estner also agrees in the wood-like appear- 

 Of the Alps, ance of this anthracite. Among other rocks 

 presented to me by Gillet Laumont, are different 

 specimens of anthracite, which he says is also 

 called houille s^che, or dry coal. There is parti- 

 cularly a specimen of that mentioned by Dolo- 

 mieu, as belonging to primitive regions, and 

 containing no traces of vegetables, from little 

 St. Bernard, in going to the fort in the Alps. 

 This is accompanied by the following specimen 

 and note : " Vegetable impressions, which I first 

 discovered in 1803, serving as a roof to the same 

 anthracite, or dry coal, the wall or under-rock 

 being also a schistus. I had one very fine, with 

 little ramified plants, and another with reeds. 

 A little impression is on this specimen 5 but the 







