. Bulletin - United States National Museum. Science. Fig. 18.—Arrow-smoothing STONE FROM SpUK these simple stones is shown in figure 18, Cat. No. 231859, ; Spur Ranch, Luna, New Mexico.) POTTEBY-WORKING STONES. Circular or oblong flattish stones of convenient size for grasping in the palm and fingers of the hand are used by the Pima-Papago- Maricopa group, the Mohave, Yumas,Diegue- nos, Kawia, and other southern California pottery-making tribes. These stones are either selected bowlders, stones picked up from ancient sites, or stones probably worked to form by the present tribe


. Bulletin - United States National Museum. Science. Fig. 18.—Arrow-smoothing STONE FROM SpUK these simple stones is shown in figure 18, Cat. No. 231859, ; Spur Ranch, Luna, New Mexico.) POTTEBY-WORKING STONES. Circular or oblong flattish stones of convenient size for grasping in the palm and fingers of the hand are used by the Pima-Papago- Maricopa group, the Mohave, Yumas,Diegue- nos, Kawia, and other southern California pottery-making tribes. These stones are either selected bowlders, stones picked up from ancient sites, or stones probably worked to form by the present tribes. In all cases the stone having the proper contour would be selected for the purpose, and as many neatly dressed stones of the type of the small grinding stone, which is circular or of pillow shape, are to be secured from the inmiediate neighborhood of ruins in this region, they have been taken to the camps of the Indians and employed in pottery making. Russell says that the Pima "use a flat circular stone about 4 inches in ;^ The implements required by the Indian potters of the Southwest- ern border are paddles of wood or stone, and an anvil stone, or bumper, which is held within the vessel in process of coiling, and between the stone and the paddle the coils are pressed down^ the clay is thinned or regulated in thickness, while at equal rate the vessel is expanded and reduced to the form desired. By this means, in the hands of an expert potter, vessels of remarkable thinness can be produced. A smoothing stone which may pos- sibly be a pottery-working tool is oval in shape and finally worked from very hard grit stone. (Fig. 19; Cat. No. 231881, ; length, 5^ inches; width, 4 inches; thickness, 1 j^ inches; Spur Ranch, Luna, New Mexico.) A finely finished specimen of purple quartz ite was found at the Stoclrton Ranch on San Francisco River near the mouth of the Blue. The edges of the implement are pecked to give a roughened surface to w Fig. 19. -Sm


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience