Miscellaneous Bibliography. 313 
TV. MISCELLANEOUS BIBLIOGRAPHY. 
o 
the great battles which have occurred in Europe during the past 
century, making a total of 137 cases. The author thinks that if 
these facts are insufficient to convince, it would be vain to expect 
to,do so with a greater number of cases. 
o this argument it may be replied that throughout the region 
co 
ap influence in the production of rain. : 
. the simplest mode of making the comparison may 
_ ing: Determine for alZ the battles occurring within 
be the follow- 
a particular 
“oad ne preceding a battle and the ok regio 
xt following it: rmine for the same 
owing it; and then dete hen no battle has 
tw 
e former interval should be found sensibly less 
sete some influence in accelerating the fall of ram. 
facts collected by Mr. Powers are not digested in any such manner ; 
