164 J. Wyman on living organisms in heated water. 
others did. Similar experiments with beans and with several 
other kinds of seeds ended in a similar manner. 
devise a sufficiently rigorous method of experimentation.t We 
believe the alleged difficulty can be met, and shal] endeavor to 
kinds of eryptogams ordinarily concerned in fermentation, and 
on the efficacy of which the preservation of canned meats au . 
other articles depends. As regards moulds the following expe’ | 
Es say 
Spores in the series which has been steamed will germinate, 
while all others will. 
¢ u 
to 120° C. (248° F.), may still germinate, but are so altered # 
140° C. (84° F.) that they do not germinate.§ In another 
and later statement he presents the matter quite differently. 
“The spores of Oidium,” he says, “preserve their vegetative | 
faculty in the soft part of the bread, (/a mie du pain) the te = | 
* Ann. des Sc. Nat., t. xvi, 1861, p. 81. se 
ijn Sone xvi, 1861, p. 81. Pages 
'§ Ann. de Chim. et de Phys., ame serie, t. xxiv, 1848, p. 254. 
