﻿Quart. Journ. Geol. Soc. Vol. LXVI, Pl. IX. 



CEDANIA OBSCURA 



BRADFORDIA INCLUSA 



1 x 07 





BURTONIA CRASSORNATA 



J.W.T.; S.S.B., Photo. Bemrose Ltd., Collo,, Derby 



BURTONIA, BRADFORDIA. and CEDANIA 



