'"s m. 



^0 







ion of Common 



ng granules 

 Her motion- 

 iy- substance 



the Mon&k 

 '^ presenting 



m 



panied 

 of different 



• them 

 astly, 



with 



I 



some 



erably eq 



ual 



n 



investing 



d for ^^''' 



fivt 



d at a ^,t 





r 





77/^ BEGINNINGS OF LIFE, 



445 



Experiment c 



An infusion of beef with some mus 



cular fibres^ prepared at the same time, similarly ex- 

 posed, and also opened after nine weeks, was not found 

 to contain any living things, though there was an 



abundance of mere 



moving granules. 



Some of the 



muscular fibres had preserved their natural appearance, 

 whilst others had lost it, and had become completely 



granular. 



Experiment d. An infusion of cod-fish muscle, simi- 

 larly prepared and exposed, also proved quite sterile. 



Experiment e. A solution containing ten grains of 

 potash and ammonia alum, three grains of tartar emetic, 

 and half a grain of new cheese to an ounce of distilled 



water. 



The vacuum having been ascertained to be still 

 partly preserved, this flask was opened at the end of 

 the seventh week. The fluid was odourless, and its 

 reaction neutral. There was a considerable quantity 

 of dirty-looking deposit, and some oily matter on 

 the surface, though the flui d itself was tolerably 

 clear. 



posed of dark granules, together with mucoid flakes 

 also containing granules. JMixed with the moving gra- 

 nules were a considerable number of Bacteria — partly 

 of the ordinary shape, and partly of the monilated 

 variety — the movements of which were tolerably ex- 

 tensive. They travelled over small areas, and danced 

 around one another, in a manner quite different from 

 the mere granules with which they were intermixed. 



The deposit was, for the most part, com- 



