114 



THE FLOATING-MATTEE OF THE AIE. 



than others. They had heen all at first alikidf in colour. 

 Out of the thirty tubes four only were free from mould. 

 Three of these were adjacent to each other, the fourth 

 at a distant portion of the tray. 



The Penidllium was exquisitely beautiful. Its 

 prevalent form was a circular patch made up of alternate 

 zones of light and deep green. In some cases the liquid 



Fig. 9. 2nh Oct., 6.30 p.m. 



oooo©o 



'••##••0 



Mndd3\ 



Cloudy. 



o o o 



Slime. Slime and mould. Clear. 



was covered by a single large patch ; in others there 

 were three or four patches, each made up of its dif- 

 ferently coloured zones. Eeticulated patterns also 

 occurred. Three kinds of Penicillium seemed strug- 

 gling for existence, namely: — that just described; a 

 second kind, of the same consistency and colour, but 



