BUREAU OF AMERICAN ETHNOLOGY BULLETIN 184 PLATE 8 
d 
a, “Kachina” figure of Mexican onyx (calcium carbonate or “cave marble”). Height 24% 
inches. (USNM 133770.) 6, Human or “‘kachina” figure of calcite. Height 3% inches. 
(USNM 133804.) c, Grooved ax of sillimanite (aluminum silicate). Length, 4% inches; 
width, 2'4 inches (maximum); thickness, 13 inches (maximum). (USNM 133765.) 
d, Natural formation of fine-grained sandstone. Height, 3%4 inches. (USNM 176386.) 
C 
