62 



MICROBES, FERMENTS, AND MOULDS. 



of soda, which neutralizes the acidity of the saliva. 

 It is, above all, essential that the feeding-bottle, all 

 the utensils employed for the infant, and the infant 

 itself, should be kept perfectly clean; and, unfortu- 

 nately, this condition is too rarely fulfilled, especially 



Fig. 34. O'idium albicans, or Saccharomyces mycoderma : d, much-branched myce- 

 lium ; g, chaplet or torula of spores, giving birth at/, k to the mycelium. 



among the working classes in towns, and districts in 

 which children are usually put out to nurse. The 

 feeding-bottle in use in such cases generally smells 

 so sour as to be offensive to every one who is not 



