REVIEWS. 
195 
DIAMONDS AND PRECIOUS STONES.* 
T HOUGH not a very profound treatise, this is an excellent popular ac- 
count of the subject on which it treats. Further, it is very profusely 
illustrated, which lends a charm to what might otherwise be considered 
rather dull reading. The only chapter which we do not see the reason ot 
in a treatise expressly on mineralogy is the first one, which deals more with 
* “ Diamonds and Precious Stones : a Popular Account of Gems, from 
the French of Louis Dienlafait.” Illustrated by 126 engravings on wood. 
London : Blackie and Son, 1874. 
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