THE IV EASEL KIND. 



21 



moment to all who are interested in the question oi the 

 comparative good and harm eftected by the animals and 

 birds commonly kno\Yn as vermin. With respect to the 



causes of the outbreak, the Committee report that ^'the 

 increase in the number of voles to the dimensions of a 

 plague was attributed by all witnesses to one of two reasons, 

 or to a combination of both.'' The first is the character of 



