A 



DESCRIPTIVE CATALOGUE 



OF THE 



ROCK 



SPECIMENS 



IN THE 



MUSEUM OF PRACTICAL GEOLOGY 





WITH EXPLANATORY NOTICES OF THEIR NATURE AND MODE OF 



OCCURRENCE, AND OF THE PLACES WHERE THEY 



ARE FOUND. 



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BY 



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



Local Director, 



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



Geologist, 





Assistant Geologist, 



of the Survey of Great Britain. 



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LONDON : 



PRINTED BY GEORGE E. EYRE AND WILLIAM SPOTTISWOODE 



PRINTERS TO THE QUEEN'S MOST EXCELLENT MAJESTY. 



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FOR HER MAJESTY'S STATIONERY OFFICE. 



1858. 



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2' 





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