46 



KNOWLEDGE. 



February, 1915. 



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..-.i*' 



Figure 32. 



The right half of the lower jaw of a Beaver, showing the molar teeth standing 

 high oat of their sockets, which are above that of the incisor. 



# 



Figure 3i. 

 The left half of the lower jaw of a Beaver for comparison with Figure 34. 



I 1..1 Kt j4. 



The left half of the lower jaw ot a Wombat, showing the molar teeth sunk very deeph- in their 

 sockets, which curve, while the first actually runs under that of the incisor. 



