256 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
SMITHSONITE, 
From Marion County, Arkansas. Bright yellow variety, known locally as ‘‘turkey- 
fat ore.’’ Analysis by H. N. Stokes. 
TENGERITE. 
From Baringer Hill, Llano County, Texas. Received from W. E. Hidden. Ap- 
proximate analysis, on insufficient material, by W. F. Hillebrand. 
Magnesia, alkalies, etc., undetermined. 
BASTNASITE. 
Associated with the tysonite of Cheyenne Mountain, near Pikes Peak, Colorado. 
Sp. gr. 5.12 at 27° Analyzed by W. F. Hillebrand and described by him in 
Bull. 167. 
Deposited from the waters of Owens Lake, California. Analyses by T. M. Chatard. 
Described by Chatard in Bull. 60. Five samples analyzed, as follows: 
A. The best material. Sp. gr., 2.1473 at 21.7°. 
B. Crude urao. 
C. Urao deposited upon a grass root. 
D. From a small lagoon. 
E. From a vat dug on the beach of Owens Lake. 
2 Includes 0.10 ThO2. 
