KX PI.ANATION OF PLATE I. X X . 

 Sinkw-Backkd Bows ok Eskimo, Akctic and Southekn Typks. 



lil>(iii this plate are represented, first, a sectiou of the Arctic bow to show the 

 method in which sliort strands at the angles of the how are, administered in order to 

 relieve the strain from the wood. 



First figure shows section of Arctic how 1!»70, U, S. N. M., from Mackenzie region, 

 collected by B. R. Ross. 



The other figure (15), showing back and side, is a bow of the southern type coming 

 from the Yukon Delta and exhibits therefore some of the Arctic characteristics, such 

 as the splint along the grip and the precautious against splitting. 



Cat. No. 33867, U. S. N. M. CoUectert l)y E. W. Nelson on tins dtiltn. oC tlie Yukon 

 Biver. 



