PUTREFACTION AND INFECTION. 115 



forming little rounded heaps instead of circles ; thirdly, 

 a woolly, voluminous, white mould, in the middle of 

 which a zoned circle of the other mould sometimes 

 formed a little islet. 



All the tubes containing the turnip-infusion were 

 also turbid on the 31st. Nine of them were free from 

 mould. This, where it occurred, exactly resembled 



Fig. 10, 29th Oct., 10.30 A.M. 



Muddy. Green. Muddiness 



subsided as slime. 



small cocoons in shape. The beef-tubes were also all 

 turbid on the 31st, and seventeen of them were free 

 from mould. The mould upon the beef, moreover, was 

 much less luxuriant than that on the hay- and turnip- 

 infusions. The mould-developing power is obviously 

 greatest in the hay-, less in the turnip-, and least of all 

 in the beef-infusion. In every ease where the mould 



i2 



