110 PROCEEDINGS OF THE CHICAGO MEETING 



Hares, C. J., the Ohio Oil Co., Casper, Wyo. December, 1920. 



Harris, Gilbert D., Cornell University, Ithaca, N. Y. December, 1903. 



Harrison, John Burchmore, Georgetown, British Guiana. June, 1902. 



Haktnagel, Chris A., Education Building, Albany, N. Y. December, 1913. 



Hastings, John B., 4209 Council St., Los Angeles, Calif. May, 1889. 

 *Haworth, Erasmus, University of Kansas, Lavprence, Kans. 



Hayes, Albert O., Geological Survey of Canada, Ottawa, Canada. Dec, 1919. 



Heald, K. C, U. S. Geological Survey, Washington, D. C. December, 1920. 



Hennen, Ray Y., 1701 Benedum-Trees Bldg., Pittsburgh, Pa. December, 1914. 



Hershey, Oscar H., Crocker Building, San Francisco, Calif. December, 1909. 



Hewett, Donnel F., U. S. Geological Survey, Washington, D. C. Dec, 1916. 



HicE, Richard R., Beaver, Pa. December, 1903. 



Hill, J. M., U. S. Geological Survey, Washington, D. C. December, 1920. 

 *HiLL, Robert T., 612 American Exchange Bldg., Dallas, Texas. 



Hills, Richard C, Denver, Colo. August, 1894. 



Hinds, Henry, Sinclair Oil and Gas Company, Tulsa, Okla. December, 1912. 



Hintze, Ferdinand Friis, .580 Corona St., Denver, Colo. December, 1917. 



Hobbs, William H., Universitj' of Michigan, Ann Arbor, Mich. August, 1891. 

 *Holbrook, Le-\^, p. O. Box 536, New York, N. Y. 



Holden, Roy J., Virginia Polytechnic Institute, Blacksburg, Va. Dec, 1914. 



Holland, William Jacob, Carnegie Museum, Pittsburgh, Pa. December, 1910. 



HoLLiCK, Arthur, N. Y. Botanical Garden, New Yoi'k, N. Y. August, 1898. 



Hopkins, O. B., U. S. Geological Survey, Washington, D. C. December, 1919. 



Hopkins, Thomas C, Syracuse University, Syracuse, N. Y. December, 1894. 



HoTCHKiss, William Otis, State Geological Survey, Madison, Wis. Dec, 1911. 

 *Hovey, Edmund Otis, American Museum of Natural History, New York, N. Y. 



Howe, Ernest, Litchfield, Conn. December, 1903. 



Hubbard, George D., Oberlin College, Oberlin, Ohio. December, 1914. 



Hudson, George H., Plattsburg Normal School, Plattsburg, N. Y. Dec, 1917. 



Hunt, Walter F., University of Michigan, Ann Arbor, Mich. December, 1914. 



Huntington, Ellsworth, Hopkins Hall, Yale LTniversity, New Haven, Conn. 

 December, 1906. 



HussAKOF, Louis, American Museum of Natural History, New York, N. Y. 

 December, 1910. 



Hyde, J. E., Western Reserve University, Cleveland, Ohio. December, 1916. 



Jackson, A. Wendell, 9 Desbrosses St., New York, N. Y. December, 1888. 



Jackson, Robert T., Peterborough, N. H. August, 1894. 



Jaggar, Thomas Augustus, Jr., Hawaiian Volcano Observatory, Territory of 

 Hawaii, U. S. A. December, 1906. 



Jefferson, Mark S. W., Michigan State Normal College, Ypsilanti, Mich. De- 

 cember, 1904. 



Jeffrey, Edward C, Harvard University, Cambridge, Mass. December, 1914. 



Johannsen, Albert, University of Chicago, Chicago, 111. December, 1908. 



Johnson, B. L., U. S. Geological Survey, Washington, D. C. December, 1919. 



Johnson, Douglas Wilson, Columbia University, New York, N. Y. Dec, 1906. 



Johnson, Roswell H., 306 State Hall, LTniversity of Pittsburgh, Pittsburgh, 

 Pa. December, 1918. 



Johnston, William Alfred, Geological Survey, Ottawa, Canada. Dec, 1916. 



Katz, Frank James, U. S. Geological Survey, Washington, D. C. Dec, 1912. 



