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Manual Concepts.
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Masks.
Dall, W. H. Report of the Bureau of Ethnology, p. 73. 1881–82.
Metates.
Holmes, W. H. Report of the United States National Museum, 1900, p. 179. California. 1900.
Dixon, R. B. Bulletin of the American Museum of Natural History, vol. 17, pt. 3, p. 138. Maidu. 1905.
Du Bois, C. G. Publications of the University of California, vol. 8, no. 3, p. 185. Luiseño. 1908.
Mica.