GEOL. MAG. 18 82, 



DECADE ILVDL.rX;. PLATE III. 



10 I 



%3° 



u / 



'^vi, ^^ 





8. ^wT 



""'"--v^- 





4 '*> 



!%,^4:^ 



&.M,WbocUvoc»-ii. del.uUtI). We^-h Newman SI. Cf ii-n^ 



PtersLSpidean plates from tlie Eifel. 

 & from BritisK Localities. 



