—Ores, Minerals and Geology of Montgomery County, Pennsylvania, with map.—Hist. of Mont. Co.
—Artesian Wells in the Lowest Trias at Norristown. 7 pp.—Proc. Am. Phil. Soc., May 1, 1891.
Carpenter, Commander A., R. N.
—Soundings Recently Taken off Barren Island Narcondam, Pl.—Records Geol. Sur. Ind., Vol. XX, Part 1, 1887.
Clarke, F. W.
—The Meteoric Collection in the U. S. Nat. Mus. A Catalogue of Meteorites Represented. Nov. 1, 1886. 13 pp. Ill., 1 pl.
—Some Nickel Ores from Oregon, Ill. 7 pp.—Am. Jour. Sci., June, 1888.
—Tschemak's Theory of the Chlorite group and its Alternative. 10 pp.—Am. Jour. Sci., March, 1892.
—On Nephrite and Jadeite. 15 pp. 1 pl. Proc. U. S. Nat. Mus. XI, 1888.
—Studies in the Mica Group. 6 pp.—Am. Jour. Sci., Aug., 1889.