53 

 pushed forward to make room for their growth. This 

 gives the little animal somewhat the appearance of 

 being parrot-mouthed, as will be observed by re- 

 ferring to the coloured plate of nine months. Then 

 the palate is low in its position, and the bars appear 

 almost on a level with the tables of the upper teeth, 

 and may even descend beyond them. The lower jaw, 

 also, if felt, will be found to be quite round ; and the 

 face, if observed at that part under which the molar 

 teeth are situated, will seem full, or the cheek will 

 look a little blown out. These last signs, more or 

 less, remain till the process of dentition is completed. 



29. The indications of age are no less deserving 

 of notice. The edges of the lower jaw become 

 sharp, and ultimately retracted ; the cheeks grow flat ; 

 the membrane of the mouth loses its vascularity, and 

 puts on a dull yellowish colour; the gums look hard, 

 and the front of the jaw becomes narrower, while 

 at the same time it inclines more backward, causing 

 the teeth to project horizontally. The inclination 

 which age gives to the teeth, will be easily perceived 

 by comparing the coloured engravings with each 

 other ; and the peculiarity of the upper and lower 



