PLATE XIII

a. Celt of pale, gray-green jade with yellow-brown mot-
tling. It shows two shallow grooves on one face and one on
the other. Used as an adze ora skin-scraper. From Port
Clarence, Alaska.

6. Celt of brilliant, translucent, grass-green jade, homo-
geneous in texture, inserted in the end of a section of bone and
used asa skin-scraper. From Point Hope, Alaska.

c. Celt of yellow-green, mottled jade, which in use was
inserted in the end of a section of bone and used as an adze.
Brought to Nome from the Siberian coast.