THE STORY OF DIGESTION 37 



milk. To giVe a child under the age specified any 

 foods containing starch is therefore to supply it with 

 material which is not merely indigestible, but may 

 be regarded as being the cause of a large amount of 

 the infant mortality due to erroneous feeding. 



THE TEETH. The importance of attending to the 



care of the teeth and of preventing tooth decay by 



^ daily attention in the way of brushing the teeth and 



Fig. 7. TEETH OF THE FIRST SET 

 Showing the second teeth in course of development. 



cleansing the mouth, scarcely requires to be incul- 

 cated here. At the same time, the duty of preserv- 

 ing the teeth by all means in our power is one the 

 importance of which should be early impressed on 

 the minds of the young by way of avoiding tooth 

 decay and tooth degeneration which are only too 



