xvi CONTENTS. 



CHAPTER XXXIII. 



Examination of the Mouth for Age : 



Duration of life of horses — Means of ascertaining a horse's age — Parts 

 of a tooth — Different kinds of teeth — Form of the teeth— Structure 

 of the teeth — Changes undergone by the teeth with age — Dates of 

 teething — Causes which may hasten or retard the appearance of the 

 permanent teeth — Dates from which horses are aged — Teeth which 

 retain' the mark and central enamel beyond the ordinary time — 

 Irregularity in the respective size of the upper and lower jaw — 

 Irregularities in the teeth — Bishoping — Illustrations of different ages 737 



