Mineralogy and Geology. ' 7 
bject. Carefully prepared statistical tables follow, showing the an- 
nual production both in quantities and values for all countries where ‘it 
has been possibl cure accurate information. The work bears 
methodised, conflicting statements have been explained or set aside and 
the maze of local terms for values, quantities and qualities has been 
ach mine in the United States is taken up under its appropriate 
head and described as completely as the materials which could be col- 
or candor and sincerity which must command respect even where it 
v os pinion. His 
Introduction, upon the false and fraudulent schemes by which the pub- 
lic are deceived or swindled and the whole subject of mining brought 
Oe tees will meet with universal approbation. 
veins. The dat . 
Particularly full and valuable. It is not possible in a short notice to 
review the contents of Mr. Whitney’s able volume with such detail as 
'o make them fully known. It is a book to be studied and will be on 
the table of every person who, from whatever motive, may desire to 
know our resources in metallic. wealth. 
A general summary at the close of the volume is given, accompanied 
by a tabular statement of the estimated amount and value of metals 
