72 

 temporary incisors, and the fifth molars are in perfect 

 apposition ; indeed the smooth surfaces of these last 

 are the best evidence that the animal is two years 

 old, for he cannot then be far below that age. The 

 incisors having been for some time employed, but 

 still being to be retained for some months, have an 

 aspect of wear and strength conjoined. The two-year 

 old mouth, therefore, by those who cannot distinguish 

 the milk from the horse teeth, (none of the latter 

 being present to help the judgment by the contrast 

 they exhibit) is likely to be mistaken for that of a 

 five-year old ; especially if the colt chances to be 

 somewhat fully developed. A regular horseman, 

 however, would not require the aid of the mouth 

 to discover the animal was still in its colthood. 



42. At three years old, the centre horse teeth are 

 well up, and are distinguished by their size, shape, 

 and colour. The appearance which the mouth will 

 exhibit, the coloured engraving represents. The 

 original drawing is in the possession of the Jockey 

 Club, for whom it was made. It has, however, 

 been repeatedly tested, in order to place its correct- 

 ness beyond doubt. Both colts and fillies have been 



