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A 





DESCRIPTIVE CATALOGUE 



OF THE 





ROCK 



SPECIMENS 



IN THE 



MUSEUM OF PRACTICAL GEOLOGY 



5 



WITH EXPLANATORY NOTICES OP THEIR NATURE AND MODE OF 



OCCURRENCE, AND OF THE PLACES WHERE THEY 



ARE FOUND. 



BY 



ANDREW C. RAMSAY, F.R.S., 



Local Director, 



HENRY W. BRISTOW, F.G.S., and 



Geologist, 



HILARY BAUERMAN, 

 Assistant Geologist, 



of the Survey of Great Britain, 









LONDON: 



PRINTED BY GEORGE. E. EYRE AND WILLIAM SPOTTISWOODE, 



FRINGES TO THE QUEEN'S MOST EXCELLENT MAJESTY. 



HER MAJESTY'S STATIONERY OFFICE. 



1858 







