July 12, 1901.] 



SCIENCE. 



61 



Tracy E. Hazen, Director of Museum and Botanist, 

 The Fairbanks Museum, St. Jobnsbury, Vt. 



Harry E. Heath, Chief Engineer Eddy Elec. Mfg. 

 Co., Windsor, Conn. 



Junius Henderson, 1933 13th Street, Boulder, Colo. 



Conrad E. Hesse, Meteorology, U. S. Weather 

 Bureau, 807 Mass. Avenue N. E., Washington, D. C] 



John A. Higginson, 260 Clarendon Street, Boston, 

 Mass. 



John L. Hildretb, 14 Garden Street, Cambridge, 

 Mass. 



Franklin W. Hooper, Curator of Brooklyn Insti- 

 tute, Brooklyn, N. Y. 



Wilson S. Howell, Secy. Asso. Edison Illuminating 

 Companies, 14 Jay Street, New York, N. Y. 



Geo. W. Hunsicker, Chemist, 141 North 8th Street, 

 Allentown, Pa. 



D. B. Huntley, Mining Engineer, De Lamar, 

 Idaho. 



Professor Thomas M. Iden, Prof, of Chemistry and 

 Physics, State Normal School, Emporia, Kansas. 



Dr. Geo. F. Jelly, Physician, 69 Newbury Street 

 Boston, Mass. 



Dr. Walter P. Jenney, Consulting Geologist and 

 Mining Engineer, Kuntsford Hotel, Salt Lake City, 

 Utah. 



Thomas J. Johnston, Lawyer, Q6 Broadway, New 

 York City. 



Professor Clement E. Jones, Prof. Mech. Engineer- 

 ing, W. Va. University, Morgantown, W. Va.. 



Francis Juat, M.D., Physician, Aberdeen, N. C. 



Julius Kahn, Chemist, 100 West 80th Street, New 

 York City. 



Pierre 0. Keilholtz, Consulting Engineer, Conti- 

 nental Trust Building, Baltimore, Md. 



Walter S. Kelley, Mining Engineer, The New Elk- 

 horn Mining Co., Ltd., Leadville, Colo. 



Dr. Arthur E. Kennelly, Electrical Engineer, 

 Crozer Building, Philadelphia, Pa. 



James M. Kent, Instructor Steam and Elec, Man- 

 • ual Training High School, 2726 Holmes Street, 

 Kansas City, Mo. 



Oscar C. Kenyon, Teacher of Physics, High School, 

 Syracuse, N. Y. 



Walter M. Kern, Supt. City Schools, David City, 

 Neb. 



Edwin B. Kimball, Mining Engineer, Oroville, 

 Cal. 



Arthur Kirk, Engineering and Economics, 910 

 Duquesne Way, Pittsburg, Pa. 



Frank Klepetko, Manager Eeduction Works, Ana- 

 conda Copper Mining Co., Butte, Montana. 



Francis H. Knox, Electrical Engineer, Spartan- 

 burg, S. C 



Henry H. Knox, Mining Engineer, 110 East 23d 

 Street, New York City. 



Professor Charles H. Kretz, Asst. Prof. Mech. En- 

 gineering, State University, Baton Eouge, La. 



Dr. Thos. S. Latimer, Physician, 211 West Monu- 

 ment Street, Baltimore, Md. 



Paul M. Lincoln, Electrical Engineer, care Niagara 

 Falls Power Co., Niagara Falls, N. Y. 



Anthony F. Lucas, Mining Engineer, Beaumont, 

 Texas. 



Jacob L. Ludlow, 434 Summit Street, Winston, 

 N. C. 



Chester W. Lyman, International Paper Co., 30 

 Broad Street, New York City. 



James H. McClelland, M.D., Anatomy and Physi- 

 ology, 5th and Wilkins Avenues, Pittsburg, Pa. 



James E. Macfarlaue, President Acad. Science and 

 Art of Pittsburg, 434 Diamond Street, Pittsburg, 

 Pa. 



Louis J. Magee, Electrical Engineer, Grosse Quer 

 Alle 1, Berlin, Germany. 



Louis B. Marks, 687 Broadway, New York City. 



Dr. Frank W. Marlow, Physician, 200 Highland 

 Street, Syracuse, N. Y. 



Harry N. Marvin, Inventor of Marvin Electric 

 Drill, 841 Broadway, New York, N. Y. 



Eodolph Matthevs's, 128 North Main Street, Wichita, 

 Kansas. 



George C Maynard, 1407 15th St., N. W. Wash- 

 ington, D. C. 



Oliver P. Medsger, Botany, Jacobs Creek, West- 

 moreland Co., Penna. 



Dr. Charles F. Menninger, Physician and Surgeon, 

 1251 Topeka Avenue, Topeka, Kansas. 



Harriet L. Merrow, E. I. Col. Agr.and Mech. Arts, 

 Kingston, E. I. 



Francis T. Miles, M.D., Practicing Physician, 514 

 Cathedral Street, Baltimore, Md. 



Henry H. Miller, Mining and Metallurgical Engi- 

 neer and Chemist, care American Copper Mining Co., 

 Somerville, N. J. 



Herbert S. Miller, Electrical Engineer, 1025 East 

 Jersey Street, Elizabeth, N. J. 



Professor Wm. S. Miller, University of Wisconsin, 

 Madison, Wis. 



Louis Mohr, Mechanical Engineer, 32 Illinois Street, 

 Chicago, 111. 



Professor Joseph E. Monroe, Prof. Physics and 

 Chemistiy, State Normal School, Dillon, Montana. 



Charles J. Moore, Mining Engineer, P. O. Box 548, 

 Cripple Creek, Colo. 



Philip North Moore, Geologist and Mining Engi- 

 neer, 121 Laclede Building, St. Louis, Mo. 



