1886.] 



On the Multiplication of Micro-organisms. 



529 



Mar. 8/86. 



Standing 

 16 days in 

 incubator 

 at 35° C. 



15,460 



• 1 



Feb. 27/86. 



Standing 

 8 days in 

 incubator 

 at 35° C. 



<M © 

 CD 1> 

 O fH 



1 



Mar. 8/86. 



Standing 

 16 days 



ditto 

 (plugged 

 flask), 

 at 20° C. 





15,897 



Feb. 27/86. 

 Standing 

 7 days in 



flask plugged 



wool, in 

 diffused 

 light at 

 20° C. 



* 



14,161 



Feb. 27/86. 



Standing 

 7 days in 

 darkness at 

 20° C. 





17,555 



Feb. 27/86. 



Standing 



diffused 

 light at 

 20° C. 





8,017 



Feb. 20/86. 



Standing a 

 night in the 

 incubator, 

 35° C. 



665,280 





Feb. 20/86. 



Standing 

 through a 

 frosty 

 night. 



18,155 



15,646 



Feb. 19/86. 



Day of 

 collection. 



15,800 



20,600 



Description. 



Thames at Hampton, 

 collected Feb. 19, 

 1886 





Lea at Chingford. . . . 



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