Darton, N. H.
—The Relations of the Traps of the Newark System in the New Jersey Region. 82 pp., 1 map, 4 pl.—Bull. U. S. G. S.
—On Fossils in the Lafayette Formation in Virginia. 3 pp.—Am. Geol., March, 1892.
Derby, O. A.
—On Nepheline Rocks in Brazil. 15 pp., Ill.—Quart. Jour. Geol. Soc., 1891.
Douglas, James.
—Biographical Sketch of Thomas Sterry Hunt. 11 pp.—Trans. Am. Inst. Min. Engin.
Eyerman, John.
—Notes on Geology and Mineralogy. 4 pp.—Proc. Acad. Nat. Sci., Phila., 1889.
—The Mineralogy of Pennsylvania, Part I. 54 pp.
—Bibliography of North American Vertebrate Paleontology for the year 1889. 4 pp.—Am. Geol., 1890.
—Bibliography of North American Vertebrate Paleontology for the year 1890. 8 pp.—Am. Geol., 1891.
—On the Mineralogy of the French Creek Mines in Pennsylvania. 4 pp.—N. Y. Acad. Sci., 1889.
—A Catalogue of the Paleontological Publications of Joseph Leidy, M.D., LL.D. 10 pp.—Am. Geol., Nov. 1891.
—Bibliography of North American Vertebrate Paleontology for the year 1891. 8 pp.—Am. Geol., April, 1892.
Felix, Johannes.
—Untersuchungen ueber fossile Hölzer. 12 pp., 1 pl.—Abdruck a. d. Zeitschr. Deutschen geolog. Gesell., 1887.
—Beiträge zur Kenntniss der Gattung Protosphyraena Leidy. 24 pp., 3 pl.—Aus der Zeitschr. Deutschen geolog. Gesell., 1890.
—Ueber die tektonischen Verhältnisseder Republik Mexiko. 20 pp., 2 pl.—Aus der Zeitschr. Deutschen geolog. Gesell., 1892.