Lessons on Teeth. 



109 



dren to arrange them as they should be, placing them in a 

 semicircle, thus : 



bi 



i <***'**'* 



'* bl bi 



m 

 m 



FIG. 30. TEETH. 



Such busy-work as this helps to fix knowledge of teeth, 

 their names position, etc., on the child's mind: A sample 

 set may be glued to the inside of a box and be kept for 

 future lessons. 



