BY THE SAME AUTHOR. 



PRINCIPLES of GEOLOG-Y ; or, the MODERN CHANGES of 

 the EAETH and its INHABITANTS, as illustrative of Geology. 9th Edition. 

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ELEMENTS of GEOLOGY ; or, the ANCIENT CHANGES of 

 the EABTH and its INHABITANTS, as illustrated by its Geological Monuments. 

 6th Edition, revised. Woodcuts. 8vo. \In preparation. 



A FIRST and SECOND VISIT to NORTH AMERICA, 



CANADA, NOVA SCOTIA, &c. : with GEOLOGICAL OBSERVATIONS. 2nd 

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