GEOPHILUS. 215 



vonidae and Tetraonidae. Although for the present 

 we have placed the first three under the same ge- 

 neric head, yet from their distinct geographical distri- 

 bution, and the difference observed in the bill of 

 the first, it is more than probable that a further di- 

 vision will be required. 



The first we have to describe is the 



