II.—Notes on the Physical Character and Thickness of the Upper Silurian Rocks of Shropshire, with the Brachiopoda they Contain grouped in Geological Horizons

Publisher Website
Google Scholar
Abstract
Shropshire was always considered by Sir Roderick Murchison as one of the districts in which his Upper Silurian rocks could be most advantageously studied.1 We propose, therefore, in this communication to offer some few notes on the Geology and Palæntology of the Wenlock and Ludlow series; illustrated by the Brachiopoda, reserving for the present what we may have to communicate with respect to the Upper Llandovery.