^-//^. 



THE BEGINNINGS 



5 



r 



the 



Possib 



"or 





^ay agj,. means 



* of a treacl- ^ ^^■^^''^ desiccation. I have found, for instance, that 

 hat certain desiccation for half-an-hour in a room at the tempera- 



Sloth 



and; 



^5 



the influe org^^^isms with which I have experimented, including 



t 



nfluences it Amoeba, Monads 



necessarilyl 

 ■, having no, 

 them, and i 



laked 



P 



prcsumpt 



Vorticellae, and other Ciliated Infusoria. 



And as a result of his more recent experiments, 



i 



Dr. Burdon Sanderson ^ has definitely come to the con- 

 elusion, not only that ' the germinal particles of micro- 

 zymes are rendered inactive by thorough drying without 

 the apphcation of heat,' but also that ' fully-formed 

 ts, m refereoc: _g^^^^^^-^ ^^.^ deprived of their power of further develop- 



r property bf ^^^^ by thorough desiccation.' The amount of desic- 



led to the rei cation induced being merely that occasioned by keeping 



Bacteria. I' them for two or three days in an uncovered condition 



to prove 01 exposed to a temperature of I04°F, which is, of course, 



erty by 



:e so 

 J to 



diffic'J 

 drop 



I 



vhich thej occurs with amazing facility 

 mpossible 

 from thos 



to 



Certain other evidence also seems to 



most 



consi 



deratioi^ 



that these are the legitimate descendants of the dried Bacteria which were 

 sown, because we cannot be sure that the dried mass may not have 

 ^ I acted as a mere dead ferment, which by its motor-decay determined a de 



a so^^^^^^j) ^^^^ production of Bacteria in the test-liquid. 



into 



tendency 



to 



-\ve can 



not 



sa 



bree' 



fciy 



ai 



^ Thirteenth Report of the Medical Officer of the Privy Council, p. 6i. 



