THE 
BY 
DR. J. Gr. KURR, 
PROFESSOR OF NATURAL HISTORY TO THE POLYTECHNIC 
INSTITUTION OF STUTTGART. 
WITH 
COLOURED ILLUSTRATIONS OE THE MOST IMPORTANT MINERALS, 
ROCKS, AND PETRIFACTIONS, 
EDINBURGH: 
EDMQNSTON AND DOUGLAS, 88 PRINCES STREET. 
. 1859 , 
