85 



the appearance of the more recent lateral tooth when 

 the colt is fairly four years off. 



One or more of the tushes may also be well up : 

 the whole may have made their appearance ; but 

 more frequently only the two originating from the 

 lower jaw are through the gum. No dependence, 

 however, can be placed on the presence or absence 

 of the tushes, which repeated proof has shown to 

 be irregular in their development : nor is the state of 

 the mouth during the fourth year such as justifies 

 an off-hand opinion being pronounced ; for though 

 during that period the growth of the teeth is gene- 

 rally well marked, nevertheless exceptions more fre- 

 quently happen than between the second and third 

 years. An instance illustrative of this fact occurred 

 at the Veterinary College, at St. Pancras, during 

 November, 1844. To that Institution was brought 

 a dun colt, which the professors, one and all, pro- 

 nounced to be " rising three." Mr. Robb, a gentle- 

 man of great talent, and then a pupil at the school, 

 having looked at the animal's mouth, pronounced it 



