1904.] Alien, New Forms of the Mountain Goat (Oreamnos}. 2 I 



region above m 2 , 73; nasals, 96 x 27; length of palate, (imperfect); 

 upper toothrow, 74. 



The difference in size between the Montana and British 

 Columbia specimens is striking; the Cascade specimens are 

 intermediate in size between these two forms, but differ from 

 -either in the markedly greater relative breadth of the skull. 



