105 

 upper corner incisor is pendant, or exhibits that 

 species of notch, which was alluded to in the 

 previous paragraph, it is at the eighth year well 

 shown, and the table has undergone considerable 

 alteration. There is now on the shell tooth, a 

 full table, the infundibula of which, if not oblite- 

 rated, is always of lessened size, well marked out, 

 and on all sides surrounded by a broad and a flat- 

 tened surface. The other teeth have also changed 

 their figures. The tables of the centre nippers have 

 taken on a decided angular shape, and those of the 

 lateral display no dubious tendency to assume that 

 form. The infundibula may be obliterated, but 

 more generally those in the lateral and corner teeth 

 are retained, or if now absent, the circle of enamel 

 will, on inspection, show that the cavity is only 

 filled up by crusta petrosa, not absolutely worn out. 

 The following wood-cuts exhibit the changes which 

 the tables undergo ; -and as the eighth year is an 

 important one, inasmuch as the horse which has 

 attained it is called " aged," a double set is here 

 introduced, to show the diiference of figure which 

 these parts may present. In those tables, it will be 

 seen the infundibulum has gone from a central 



