TEETH. 



tooth ( 



the carnassial 



909 

 :3 



m. 1), which is functionally analogous to tition, are m. 2 in the upper jaw, m. 2 and >. 3 

 nassial above, is also, as in the dog, the in the lower jaw ; p. I in the upper jaw, p. 1 



Fig. 582. 



Deciduous and permanent teeth in the Dog (Canis). 



first of the true molar series, and the homo- 

 type of the little tubercular tooth (m. 1) above. 

 And the homologies of the permanent teeth 

 p. 4 above and m. 1 below, with those so 



and p. 2 in the lower jaw ; thus illustrating the 

 rule enuntiated above, that, when the molar 

 series falls short of the typical number it is 

 from the two extremes of such series that the 



Fig. 583. 



3H 



Deciduous and permanent teeth in the Lion (Felis). 



symbolised in the dog (fig. 582.), teach us 

 that the teeth which are wanting, in order to 

 equal the number of those in the canine den- 



teeth are taken, and that so much of the 

 series as is retained is thus preserved unbroken. 

 In the great extinct sabre-toothed tiger (Ma- 



