ALLEN: DOtiS llF I'HK AMKKK AN AHOUK^INKS. 



4.")!) 



yet the general type seems to be the same. Hardly distinguishable 

 from the Maine specimens in any way is a skull from Peel River, 

 Yukon, (U. S. N. M. 0,219) collected about 1S60 by Kennicott and 

 representing probably the connnon Indian Dog of that region. 



Of seven lower jaws from Maine shell-heaps, all but one lack the 

 first premolar, and the same tooth is lacking in a ramus from Madison- 

 \'ille. It seems to be missing in the greater portion of lower jaws of 

 this dog. The following measurements show the lengths of different 

 parts of the tooth-row taken at the alveolar borders, because the 

 teeth themselves are frequently lost. 



