360 
HORSE AND MULE PROJECTS 
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Fic. 268 —Teeth indicate age. Ten views of lower front teeth are shown for years 1 
to 10, down each column. The first two central permanent teeth areup at 3, twomore at 4, all 
up at 5. At 6 years, cups leveled on center teeth; at 7, cups leveled on intermediate teeth; 
at 8, all six are leveled and corners are becoming oval. More wear is shown at 9 and more 
at 10. -Compare shapes and positions of central enamels. (Gay’s Productive Horse 
Husbandry.)