16 



List of Papers published by Dr. Wadsworth during 



the Year. 



1. The Fortieth Parallel Rocks. Proc. Bost. Soc. Nat., 1883, 

 XXII. 412-432. 



2. On the Evidence that the Earth's Interior is Solid. American 

 Naturalist, 1884, XVIII. 587-594, 678-686, 767-773. 



3. Lithology of some Cordilleran Volcanoes. Ibid., pp. 526-528. 



4. Methods of Instruction in Mineralogy. Pop. Sci. Monthly, 

 1884, XXIV. 754-759. 



5. Descriptive Catalogue of One Hundred Thin Sections of Ameri- 

 can and Foreign Rocks, for the Use of Students of Microscopical 

 Lithology. 20 pp. 



6. Notes on the Rocks and Ore Deposits in the Vicinity of Notre 

 Dame Bay, Newfoundland. Am. Jour. Sci., 1884, (3), XXVIII. 

 94-104. 



7. A Microscopic Study of some South Wales Rocks. Trans. 

 Am. Inst. Mining Engineers, 1883, XI. 499-501. 



8. The Theories of Ore Deposits. The Nation, Feb. 7, 1884. 



9. The Lateral Secretion Theory of Ore Deposits. Eng. and 

 Mining Journal, 1884, XXXVII. 364, 365. 



10. Resume of the " Mineral Resources of the United States." 

 Science, 1883, II. 413, 414. 



11. The Maine Building Stones. Ibid., pp. 771, 772. 



12. The Olivine Rocks of North Carolina. Ibid., III. 486, 487.. 



13. The Relation of the " Keweenawan Series" to the "Eastern 

 Sandstone." Ibid., p. 553. 



14. Parallel Development of Personal Names and of Natural His- 

 tory Nomenclature. Ibid., IV. 109, 110. 



15. Some United States Geologists and the Propylite Question. 

 Ibid., p. 111. 



