ALLEN: DOGS OF THE AMERICAN ABORIGINES. 



459 



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. 6,219) collected about 1860 by Kennicott and 

 representing probably the common Indian Dog of that region. 



Cruiiial Measuremeuls 



Alveolus of i' to occipital condyle . 



Median length of nasals 



Alveolus of i^ to median edge of 



palate 



Alveolus of i^ to anterior edge of 



orbit 



Alveolus of i^ to m- 



" " canine to ni- 



" " pi to w2 



" pUo m2 



Alveoli m^ and ni^ 



Lengt h oi p^ 



Width of occipital condyles 



" " palate at ni^ 



" across supraorbital 



processes 



Zygomatic width 



.2§ 



^ . 

 o a, 



170 

 56 



85 



74 



86 



72.5 



60 



52 



18.2 



19 



31 



59 



50 

 102 



■a 

 a 



172 

 62 



90 



77.5 



90 



75 



62.5 



56 



18 



37.5 



57 



51 



98 



o 

 •5 



O &H 



163 



57 



87 



74 



87 

 72 



55 



20.8 



18.6 



34 



61 



47 

 104 





177 



88 



81 

 96 

 79 



62.5 



19 



20.5 



40 



66.5 



49 

 101 



c oo' 



163 

 57 



86 



74 



86 



71 



59 



52 



17 



17.5 



36 



54 



46 

 92 



^ CO 



c . 



•: § 



cs . 



169 

 57 



90 



77 



90 



74 



60 



52 



17 



18.5 



34 



60 



57 

 104 





N 





74 

 64 

 55 

 16.3 



38 

 62 



Cl 



o 



03 





192 ± 



93 



86 



20.8 



40 



68 



60 



168 



70 ± 



83 



70 



56 

 19.8 

 19.7 

 37 



55 



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- 

 ville. 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. 



