TEETH. 



909 



tooth (m. I), which is functionally analogous to tition, arc m. 2 in the upper jaw, m. 2 and m. 3 

 the carnassial above, is also, as in the dog, the in the lower jaw ; p. \ in the upper jaw, /;. 1 



Fig. 582. 



7772 



Deciduous and permanent teeth in the. Dog (Canis). 



first of the true molar series, and the homo- and p. 2 in the lower jaw ; thus illustrating the 



type of the little tubercular tooth (m. 1) above, rule enuntiated above, that, when the molar 



And the homologies of the permanent teeth series falls short of the typical number it is 



p. 4 above and m. 1 below, with those so from the two extremes of such series that the 



Fig. 583. 



Deciduous and permanent teeth in the Lion (Felis). 



symbolised in the dog (Jig. 582.), teach us teeth are taken, and that so much of the 

 that the teeth which are wanting, in order to series as is retained is thus preserved unbroken, 

 equal the number of those in the canine den- In the great extinct sabre-toothed tiger (Ma- 



