EXPLANATION OF PLATE XX. 



Carvings on Rocks, and Stone Implements from the Northwest Coast. 



From photographs by the author. 



Fig. 76. Ancient Tlingit Sculptures. Carved on the rocks on the beach near 

 Fort Wrangell, Alaska. The figure represents the orca or whale- 

 killer. 



Fig. 77. Ancient Tlingit Sculptures. Representing several human faces and 

 conventional designs. 



Fig. 79. Primitive Stone Implements, a is a scraper for removing the inner in- 

 tegument or bark from the trunk of the pine tree for food ; 6 is a small 

 stone hammer; c, a heavy stone sledge; d, an adze, of which e is a side 

 view; /, a variety of stone adze blades (see Plate XXIII): g, a type of 

 adze, showing method of hafting; h, a scraper used in the process of 

 tanning hides. Haida Indians, Dixon Entrance. Collected by James 

 G. Swan. 



