

^ 



DURA DEN 



A MONOGRAPH OF THJ] YELLOW SANDSTONE 



AND ITS REMARKABLE FOSSIL REMAINS. 



BY 



, JOHN ANDERSON, D.D. F.G.S. E.P.S. Etc. 



AUTHOU OF "the COURSE OP CREATION," '' GEOLOGV OF SCOTLAND," ETC. 



Mitb Illustrations, 



EDINBURGH: THOMAS CONSTABLE AND CO. 



HAMILTON, ADAMkS AND CO., LONDON. 

 MDCCCLIX. 



['/'/le Author ivsi^rves (he right of Trarishdhn. 



