112 THE FLOATING-MATTER OF THE AIE. 



remained clear, with here and there a speck of mould on 

 1 he surface. Of the beef, six were cloudy and one thickly 

 muddy, while spots of mould had formed on the majority 

 of the remaining tuhes. Fifteen hours subsequent to this 

 observation, viz. on the morning of the 27th of October, 

 all the tubes containing hay-infusion were smitten, 

 though in dififerent degrees, some of them being much 



Fig. 7, 26th Oct,, noon. 



o®ooboo©oo 



bOOO#000000 



' eoooQ oaooo 



0000 1000)00 

 lOOOOOO^OO ' 



^oooo«oo«© 



Q#000®00# 



0000(D®00@0 

 ^O©®©0Q®O®© 



Clear. Mould. Cloudy. Muddy. 



more turbid than others. Of the turnip-tubes, three 

 only remained unsmitten, and two of these had mould 

 upon their surfaces. Only one of the thirty-five beef- 

 infusions remained intact. A change of occupancy, 

 moreover, had occurred in the tube which first gave 

 way. Its muddiness remained grey for a day and a 

 half, then it changed to bright yellow- green, and 



