Plate I.— Imlpemknts of the Chase, Natives op Northwestern Alaska. 



1. Holil<>r for tlirowing spears, one-third size. 



2. Suow speclacli's, natural size. 

 ;{. Section of 2 tlirouf;!! A B. 



4. .Spear-head of ivory for deer, natural size. 



.'). Arrow-bead of ivory pronged for birds, natural size. 



0. Spear-head of chipped flint, natural size. 



7. Arrow-head of chipped flint. 



8. Blnnt arrow-head of ivory or bone for birds, natural size, 

 y. Spear-head of poliohed jade; very rare. 



lU. Seal spear with detachable ivory head, one-sixth size. 

 U. Bird spear with prongs of ivory, one- sixth size. 



