99 



50. At seven years off, the corner teeth, without 

 showing age, exhibit further evidence of wear. The 

 coloured engraving to which the reader must refer, 

 exhibits those alterations which have now taken 

 place. The original sketch was made from the 

 mouth of a horse in the possession of the author's 

 father, and having been corroborated by the inspec- 

 tion of numerous others, it is confidently put forward 

 as characteristic of the age. I cannot here forbear 

 from acknowledging the personal kindness and pro- 

 fessional attention bestowed upon me by Mr. Percival, 

 who, on being made aware that I was engaged upon 

 a work illustrative of the horse's teeth, not only 

 allowed me to inspect the mouths of the animals 

 under his charge, but honoured me by accompanying 



H 2 



