IDAHO, UTAH. A. Adobe soil, Salt Lake City, Utah. Analysis by L. G. Eakins, record No. 996. B. Lava soil, near Shoshone Falls, Idaho. Described by Russell in Bull. 199. Analysis by W. F. Hillebrand, record No. 1950. NEW MEXICO, ARIZONA. A. Adobe soil, Santa Fe, New Mexico. B. Adobe soil, Fort Wingate, New Mexico. D. Clay, about 1 mile from C. Analyses C, D, by E. T. Allen, record Nos. 1945, 1959. NEVADA. A. Grayish clay from Upper Lahontan lake beds, Humboldt River bridge, Mill City. B. Grayish clay, Lower Lahontan beds, same locality. Analyses by T. M. Chatard, record Nos. 32, 33. C. Adobe soil, Humboldt. Analysis by L. G. Eakins, record No. 981. D. Halloysite, pale greenish, Lucia mining district, Elko County. Analysis by George Steiger, record No. 1472. CALIFORNIA, WASHINGTON, HAWAIIAN ISLANDS. A. Sandy clay, Owens Lake, California. B. Blue clay, Owens Lake, California. Analyses by T. M. Chatard, C. Clay from foot of Rickey Hill, Kittle Falls, Stevens County, D. Typical wheat soil, plateau south of Krupp, Washington. E. Residuary soil from basalt, Hausen Creek, Kittitas County, |