270 FIELD VOLE. 



weekly reports of the deputy-surveyor of the forest, 

 about the same number were destroyed, allowing 

 the same calculation for those eaten by vermin, &c. ; 

 in addition to which, it should be mentioned, that 

 these Mice were found to eat each other when their 

 food fell short in winter. Putting these circumstances 

 together, the total destruction of Mice in the two 

 forests in question would probably amount to motf 

 than two hundred thousand." 



