Plate XII 
a 
OLPFUJiy HOMME Del* 
Scaling harpoon heads typical of the successive culture strata in northern 
"Alaska Each type is found with minor variations even in a single 
site. A Head of recent type, with closed socket and iron blade, 
recovered from ruined house dating about 1700, at Wales, Alaska 
(Cat No IX F. 8730). B Earlier transitional type with open socket 
and drilled holes for lashing on the foreshaft. Wales Alaska (Cat. 
No IX F. 8075). C Alaskan Thule type preceding (B), with 
open socket and slotted holes for the lashing. Wales Alaska (Cat 
No IX F. 8t>50). D. Oldest known type, with multiple terminal 
barbs, flint blades inserted in forward section and open socket for 
foreshaft, in some cases with a hole drilled vertically- Little Diomede 
island, Alaska (Cat. No. IX. F. 8b87). 
