14 



ARKIV FÖR ZOOLOGI. BAND 12. N:0 13. 



or those of C. latrans viz. 74,4—78,2 %. The teeth of the 

 lower jaw of the Yaghan dog are also different. So has 

 for instance p^ of the Yaghan dog two posterior cusps as 

 in Jackals and Coyotes, while in Ps. lycoides and magellanicus 



Fig. 4. Palatal view of '"the skull of the 

 Yaghan dog. 



there is no such cusps, or at most a small rudiment of one 

 such only. 



From this it is quite clear that the Yaghan dog cannot 

 be regarded as a tamed Pseudalopex, nor as a domesticated 

 member of any other kind of South American Canidce, as 

 far as my knowledge goes. The extinct »Antarctic Wolf», 

 Dusicyon antarcticus Shaw, of the Falkland Islands does not 

 make any exception from this. As Pocock has pointed 



