TEMPER AND PASSIONS. 279 



When a tooth is so far decayed as to be useless, 

 and is a source of frequent pain, extraction is the 

 only cure. To endeavour to allay toothach by 

 violent applications is very pernicious, and the 

 ruin of the rest of the teeth is often caused in this 

 way. 



Questions. 



What kinds of accidents are we liable to from careless- 

 ness 1 ? 



What bad effect follows from confining ourselves to the 

 house T 



By what kind of light are the eyes injured ? 



Why is fire-light bad to read by ? 



Are shaded lamps proper to read or work by 1 



What kind of light is the best for a sitting room ? 



By what causes is the hearing rendered dull ? 



How is the sense of taste injured ? 



By what means is the touch kept perfect ? 



What is the way to get our hands warm, when benumbed 

 by cold 1 



By what means do we spoil our teeth ? 



Which is the best mode of keeping our teeth clean ? 



What is a bad habit, and should be carefully avoided? 



