teeth in the lower jaw ; the two front teeth are understood 

 to be cut at ages varying from two to three years, and the 

 teeth each side the middle ones from three and a half to 

 four years. Between four and a half and five years 

 introduces the corner pair and the male tusks. The horse 

 is known as aged at eight, when the marks in the corner 

 nippers are effaced. They are worn out at six in the two 

 centre teeth, and at seven in the next pair. 



Horses have been known to live for thirty and forty 

 years, but, from over-exertion and ill-usage frequently die, 

 or are slaughtered, before they reach ten. 



