Plate 13
a. Wooden mortar and pestle collected among the Ojibway. Length of pestle about 37½ inches. Reproduced from Fourteenth Annual Report Bureau of Ethnology, part 1, p. 257.
b. Mortar and pestle collected among the Delaware by Dr. E. Palmer and acquired by the National Museum November 11, 1868. Length of pestle 33½ inches. Diameter of mortar 7½ inches, height 15 inches. (U. S. N. M. 6900.)
c. Birch-bark dish, type used extensively by the Ojibway and other northern tribes. Reproduced from Nineteenth Annual Report Bureau of American Ethnology, part 2, Pl. LXXIX.