82 EXAMINATION OF HORSES AS TO SOUNDNESS 



what rounded at their posterior margins. The 

 infundibula of the central teeth are becoming 

 shallow, and in some cases this is very marked, 

 the tables showing a certain amount of wear. 

 The tables of the lateral incisors are quite 

 formed, and their infundibula are also getting 

 somewhat shallow, with well-defined margins. 



Six Years. — The corner incisors at this age 

 are firmly set in the jaws, and their edges begin 

 to look uneven. The tooth (corner incisor) has 

 a somewhat square appearance, and the round- 

 ness of the posterior margin has all but dis- 

 appeared. The table of the corner teeth is not 

 yet quite fully formed, the infundibula not being 

 surrounded by a level surface. 



Six Years Off, — At this age the table of the 

 corner incisor is very fairly developed. The 

 tushes are well set up. 



Seven Years Off. — At this age the corner 

 incisors show a considerable amount of wear, 

 and the infundibula of the lateral incisors are 



