THE BEGINNINGS OF LIFE. 475 



exposed to 370 F, and 293 F, and even in others 

 which have been heated to 295-3O7F for four hours. 

 Of these experiments none have, perhaps, yielded more 

 striking results than No. b. Here active Protamceb<e 

 and ciliated Monads were taken from an hermetically 

 sealed flask which, eight weeks previously, had been 

 exposed to a temperature of 27o -275F; and these 

 very organisms were killed by the same temperature 

 (i40F) as that which has been found to prove fatal to 

 all other Monads and Protam<eh<e. 



It seems scarcely possible to present experimental 

 evidence which could speak more plainly in favour of 

 the occurrence of Archebiosis. 



