Page:Quarterly Journal of the Geological Society of London, vol. 25.djvu/343

From Wikisource
Jump to navigation Jump to search
This page needs to be proofread.

Quart. Journ. Geol. Soc. Vol. XXV.PlX.

W.G. Smith F. L. S. Lith.

W. West imp.

Structure of Sigillaria