SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 92, NO. 1, PL. 14 



Marginal Fossa 



Left to riKlit; Orang, male. U.S.N.M. no. 49,85^; midadolescent, Eskimo, Nunivak, 



U.S.N.M. no. 339,235. 



