454 Hubbard — Antimony Mines of Shiu Chow. 



reference to the succeeding beds to the east, including the 

 coal, and in its fossil content. A few fossils of gastro- 

 pods and brachiopods have a distinctly Ordovician f acies, 



Fig. 1. 



Fig. 1. — Geologic map, Shiu Chow to antimony mines. 



though no species are identified. I saw none of the big 

 cephalopods so commonly found in the Ordovician in 

 other parts of China, but learn from Chinese observers 



