rh 



358 



THE BEGINNINGS OF LIFE. 



filaments, constituted the reticulated pellicle which was 

 seen on the surface. The Leptothr'ix fibres were partly 

 plain, and partly segmented- they presented — except 

 in respect of their length — an appearance almost pre- 



FiG. 24. 



Bacteria, Vibriones, and Leptothrix filaments met with in a Turnip Infusion 



which had been only five days in vacuo. ( X 800.) 



I 



cisely similar to the Vlbrlones. The long filaments 

 seemed^ in fact^ to be only developed forms of the shorter 

 rod-like bodies. 



'Experiment 3. A closed flask containing an infusion 

 of turnip ^5 was opened seventeen days after it had been 

 hermetically sealed. 



The fluid never exhibited any distinct turbidity, and 

 vlO pellicle formed on the surface • there was^ however, 

 an irregular covering of the bottom of the flask by fine 

 granular matter, with here and there a small patch of 

 filamentous-looking substance. No bad odour, was 

 perceived when the flask was opened. 



1 See note 2, p. 357. ' 



1 S 

 4 



.d a very 



{#"'■ 



\mt 4 



was 



turnip 



etically se^ 

 ■ The solution 



covered by 

 On microscc 



to contai 



ray active '5>a 



i ns also made 



■ iisiial transparei 

 , Jtions this uni 



^kmimtK ( 

 ' fecribed herea 



I 





