744 



EXAMINATION FOE AGE. 



shorter with age; although we sometimes find them very long, 

 and even with their rearmost edge sharp, in old horses. I cannot 



j.'ig. i^7._A series of transverse sections of the lower right incisors 



of a five-year-old horse. 



A, narrow from front to rear. H, oval, c, rounded, d, triangular. 



E, elongated from front to rear. {From Gouhaii.\ and Barrier.) 



satisfactorily explain how it is that these teeth usually wear down 

 so fast j unless the friction of the tongue is the cause in question. 



