PREFA CE. 



• d 



vu 



Hi that Bacteria are killed by a temperature of i4o''E 



similar 



' . "'^ ^ Work 

 nit to the 



>i-eover, wi 



*^ enormous im^ viously exposed for some time to a temperature of 

 ^t f^lt compelled ^la^'F. The latter fact has been admitted by almost 



even Spallanzani and 



■ 



dependent issu' Pasteur — and the inference from it must be quite 



although the flasks and their contents have been pre- 



'^ ^ little morecf, ^^^ experimenters 



including 



vritten and prk <^t)vious to those who accept this or any lower tem- 

 perature as the thermal limit of organic life. In experi- 



results, they would have to 



tended 



Lt the logical COL 

 cpted doctrines I 



ments yielding positive 



more 



and the '( ^^P^^^y multiplying brood must have been evolved de 



'^gy 



Forces/ were wl 



novo within the previously superheated flasks. So that^ 

 even if nothing more could be said, the positive results 



^^ ^P . ; which can almost invariably be obtained in experiments 



ins a review of: 



conducted with this temperature^ should suffice, in the 



which was^ ^ present state of science, to show that living matter may 



arise de novo — more especially when such a conclusion is 

 also supported by the utter break-down of the opposing 



I pleasur 



of reat: 



jj-k under the - Panspermic hypothesis. 



much 



pre 



) 



g 



Jifficulti^^ Mante 



be adduced j since numerous similarly successful results 

 have been obtained by Pasteur himself, by Pouchet, 



Wy 



Cantoni, Oehl^ and others 



although the closed flasks and their contents had been 

 subiected to the influence of still more destructive tem- 



. hitherto ifll 

 ive solution; 



• oWi^ot'"'^ peratures, ranging from 2i3°F to rather over 300° F. 



^ ^ alffios*^ ^ Several of such experiments are now recorded for the 



. • of ^'^^^ ^^^^ '^vccit ; and their results cannot be reasonably ex- 



cr^o^ J for'^' plained except on the supposition that the living things 



be P^? r^S' obtained from the closed flasks had been developed 



T ''^ oii^'''' ■^^'^"^ newly-evolved living matter. 



• the ni*' ' i» . b a 



1 



3 



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