Jnilu.sn.tl.ilCoLill. 



SIX ADULT MALE ARAPAHOE INDL^N SKULLS 

 N°=]2, 667, 774,892,1760,1832. 



N'o 17 D Norraa verticalis based on alveoio-condylean plane 

 Conditions same as JIo 17. A 



