232 



REPORTS ON THE STATE OF SCIENCE. 



consecutive section hitherto known has been a thickness of about 30 feet 

 of Comley Sandstone exposed in the Quai-ry itself, which has been worked 

 at frequent intervals for more than thirty years for the extraction of 

 road stone. 



There are, however, many patches of Lower and Middle Cambrian 

 i-ocks to be seen in the Comley area, but they are isolated, and the 



CeLrcix2oC 





stratigraphical relationships and lithological details of such beds as have 

 hitherto yielded fossils have necessarily remained undetermined for want 

 of sufficient evidence. 



Professor Lapworth has mapped the area, and has freely shown his 

 maps to myself and others, but the results of his investigations are ag 

 yet unpublished. 



