44,4 



Ann-als of the Carnegie Museum. 



The posterior nares are most remarkably variable, especially a. to 

 „ir s aoe, which ranges from a .arrow lancc-shaped to a wrde U- 



their shape, which ranges 



Fig. I. 



Fig. 2 . 



F.os . a„d 2 Palate ,i.ws of skulls of two guanacos uUe„ from the same ta»d 

 « Cap. Fa^weather. Patagonia, showing remarkable individual var,a.,„n m denta, 



and cranial characters. 



