88 Prof. J. Le Conte on the Freezing of Vegetables. 
never was frozen, and then theories are framed to account for the 
esumed fact. ee 
Impressed with this fundamental idea, all attempts which have 
en 
of each of these causes to account for the facts. hii 
. ‘The experiments of J. Hunter, Schcepfl’, Bierkander, Pietet 
and Maurice, Schubler and Neuffer Hermstadt, Nau. Gceppett 
and others, have shown, that the interior of the trunks of large 
trees possesses, during winter, a temperature several degrees high 
er than that of the surrounding air. But, M. De Candolle and 
* Physiologie Végétale, to: 
ag i » tome 3, p. 1101, et seq. j 
+V Am de Se Also Carpenter's General and Comparati ; 
Physiology. 2nd ed. Lond., 1841. p, 417, eee. 2 
