LÖNNBERG, ON SOME MAMMALS FROM THE ARGENTINE CHACO. 17 



123,6 mm. and the difference thus about 11 or 12 mm. From 

 this may be concluded that tbe condylobasal length of the 

 specimen from the Chaco Austral must be at least 11 or 12 



Fig. 5. Frontal view of skull of Cerdocyon thous fronto n. subsp. 



mm. longer tban the first measurement in the table above, 

 or at least 151,6 to 152,5 mm. 



The result of this is that the »Crabeater» of the Chaco 

 Austral has a longer, and especially much broader, skull 



Arhiv för zoologi. Bd 12. N:o 10. 2 



