no THE JOURNAL OF GEOLOGY. 



— Recent Researches into the Origin and Age of the Highlands of Scotland 

 and the West of Ireland. 19 pp. 



— Royal Institute of Great Britain, 1889. 



—The Canons of the Far West.— Ibid., April 6, 1883. 4 pp. 



— Rock-Weathering, as illustrated in Edinburgh Churchyards. 15 pp., i pi. — 

 Proc. Royal Soc'y, Edinburgh, Vol. X., April 19, 1880. 



— The Ancient Glaciers of the Rocky Mountains. 7 pp. — Am. Nat. Jan. 1881. 



— The Ice Age in Britain. — Science Lectures for the People. 17 pp. 



— The Old Man of Hoy. 6 pp., i pi. — Report Brit. Assoc, 187 1. 



— On the Old Red Sandstone of the South of Scotland. 12 pp., i pi. — Quar- 

 terly Journal Geol. Soc'y, Aug. i860. 



— On the Geology of Strath, Skye, (with descriptions of some Fossils from 

 Skye, by T. Wright, M.D., F.R.S.E.) 36 pp., i pi. 



— The History of Volcanic Action in the Area of the British Isles. 119 pp. — 

 Quarterly Journal of the Geological Society of London, Vol. XLVIII, 1892. 



— On the Supposed Pre-Cambrian Rocks of St. David's. 66 pp., 3 pi. — 

 Quarterly Journal of the Geological Society, Aug. 1883. 



— On the Tertiary Volcanic Rocks of the British Islands. 31 pp., i pi. 



— The Geological Origin of the Present Scenery of Scotland. 21 pp. 111. — ■ 

 The Journal of Travel and Natural History. 



— On the Age of the Altered Limestone of Strath, Skye. — 13 pp. 111. — Quart. 

 - Journal Geol. Soc'y, 1888. 



- — Address of the President of the Geological Society of London, Feb. 20, 

 1891. 126 pp. 



— The Origin of Coral Reefs. 13 pp. 111. — Proc. Royal Physical Soc'y. Vol. 

 VIII, p.; 1884. 



— The " Pitchstone " of Eskdale, a retrospect and comparison of Geological 

 Methods. Ibid, Vol V, 1880. 

 Genth, F. a. 



— Ueber Nordamerikanische Tellur-und Wismuth-Mineralien. 14 pp. — Jour- 

 nal fiir Praktische Chemie, 1874. 



— Ueber Lansfordit, Nesquehonit und Pseudomorphosen von Nesquehonit nach 

 Lansfordit. (F. A. Genth und S. L. Penfield). 18 pp., i pi. — Zeit. fiir 

 Krystallographie, 1890. 



— Contributions to Mineralogy. 18 pp., i pi. Read before Am. Phil. Soc'y, 

 Oct. 2, 1885. 



— do. 21 pp. Read before Am. Phil. Soc'y, March 18, 1887. 



— Investigation of Iron Ores and Limestones from Blair and Huntingdon 

 counties, Pa. 26 pp. — Read before the Am. Phil. Soc'y, Feb. 6, 1874. 



— Contributions to Mineralogy. 6 pp. — Am. Jour. Sci., Sept. 1889; 4 pp. 

 Jan., 1890. 



— do. with Crystallographic notes by S. L. Penfield. 9 pp. — Am. Jour. Sci., 

 Sept., 1890; 10 pp. May, 1891; 6 pp. March, 1892. 



— On American Tellurium and Bismuth Minerals. 9 pp. — Am. Phil. Soc'y, 

 Aug. 21, 1874. 



— On Herderite. 7 pp. Read before Am. Phil. Soc'y, Oct. 17, 1884. 



— On Lansfordite, Nesquehonite, a New Mineral and Pseudomorphs of 

 Nesquehonite after Lansfordite. 17 pp., i pi. — Am. Jour. Sci., Feb., 1890. 



— The Minerals of North Carolina. — Bulletin 74, U. S. G. S. 120 pp. 



— The Minerals and Mineral Localities of North Carolina. 122 pp. — Geol. of 

 ..North Carolma, Vol. II, 1881. 



— First Annual Report of Dr. F. A. Genth, Chemist of the Pennsylvania Board 

 of Agriculture. 32 pp., 1878. 



— Second Preliminary Report on the Mineralogy of Pennsylvania, with 

 Analyses of Mineral Spring Waters. 38 pp. 



— Ueber einige Tellur-und Vanad-Mineralien. 13 pp. — Zeit. fiir Krystal- 

 lographie, etc., 1877. 



— On the Equivalent of Cerium bv the late Dr. Charles Wolf. 10 pp. — Am. 

 Jour. Sci., May, 1868. 



