618 



SCIENCE. 



[N. S. Vol. XV. No. 881. 



Herbert Holt, President of Montreal Light, 

 Heat & Power Co., Montreal, Canada. 



Charles Wallace Hunt, Stapleton, N. Y. 



Edward Lovering Ingram, Civil Engineering, 

 New York Navy Yard, New York City. 



J. P. Jefferson, Manufacturer, Warren, Pa. 



Albert Lincoln Johnson, Civil Engineer, 606 

 Century Bldg., St. Louis, Mo. 



Charles Willison Johnson, Curator of Museum, 

 Wagner Free Institute of Science, Philadelphia, 

 Pa. 



Frank Seward Johnson, M.D., 2521 Prairie Ave- 

 nue, Chicago, 111. 



Rt. Rev. John J. Keane, Archbisliop of Dubuque, 

 Dubuque, Iowa. 



Lindley Miller Keasbey, Professor of Economics 

 and Polities, Bryn Mawr College, Bryn Mawr, Pa. 



Emil E. Keller, P. 0. Box 452, Pittsburg, Pa. 



John Louis Kesler, Professor of Natural Sci- 

 ence, Baptist Female University, Raleigh, N. C. 



Francis Henry Knauflf, Telephone Engineer, 

 Charleston, S. C. 



Morris Knowles, Resident Engineer, Bureau of 

 Filtration, Pittsburg, Pa. 



Frederic A. Kummer, President of U. S. Wood 

 Preserving Co., 29 Broadway, New York City. 



George Tallman Ladd, Base Foundry & Machine 

 Co., Ft. Wayne, Ind. 



Henry Landes, State Geologist, University Sta- 

 tion, Seattle, Wash. 



B. Brentnall Lathbury, Consulting Engineer, 

 1619 Filbert Street, Philadelphia, Pa. 



John Francis LeBaron, Civil and Mining Engi- 

 neer, 206-8 Arcade, Cleveland, Ohio. 



Louis Julian LeConte, Civil Engineer, Oakland, 

 Cal. 



W. Lehnartz, 173 S. Union Street, Grand 

 Rapids, Mich. 



Joseph Leidy, Jr., M.D., 1319 Locust Street, 

 Philadelphia, Pa. 



Theodore A. Leisen, Civil Engineer, Wilming- 

 ton, Del. 



Howard W. Lewis, Banker, 1928 Spruce Street, 

 Philadelphia, Pa. 



C. McC. Lemley, Assistant Engineer, B. and 0. 

 R. R. Co., Philippi, W. Va. 



Felix Lengfeld, Ph.D., Consulting and Manufac- 

 turing Chemist, 202 Stockton Street, San Fran- 

 cisco, Cal. 



Thomas M. Lightfoot, Assistant Professor of 

 Physical Science, Central High School, Philadel- 

 phia, Pa. 



Russell C. Lowell, Teacher in Manual Training 

 High School, Providence, Rhode Island. 



Henry McAllister, Jr., Attorney-at-Law, Colo- 

 rado Springs, Colo. 



Hansford M. McCurdy, Teacher of Biology, 

 Manual Training High School, Kansas City, Mo. 



Curtis C. McDonnell, Assistant Chemist of Ex- 

 periment Station, Clemson College, S. C. 



W. W. McKeown, Jr., Mining Engineer, 160 

 Washington Street, Chicago, 111. 



Louis R. McLain, President of Florida Engi- 

 neering Co., St. Augustine, Fla. 



Andrew W. McLimont, Electrical Engineer, 

 Linares, Mexico. 



Hiram C. McNeil, Teacher of Chemistry and 

 Physics, Shurtleff College, Upper Alton, 111. 



Perry Robinson MacNeille, 155 William Street, 

 Orange, N. J. 



George W. McNulty, Civil Engineer, 258 Broad- 

 way, New York City. 



James Francis Magee, 114 N. 17th Street, Phila- 

 delphia, Pa. 



Carl E. Magnusson, Professor of Physics, Uni- 

 versity of New Mexico, Albuquerque, N. M. 



Albert K. Mansfield, 125 Lincoln Avenue, Salem, 

 Ohio. 



Marsden Manson, Commissioner of Public 

 Works, San Francisco, Cal. 



Marietta College Library, Marietta, Ohio. 



Horace M. Marshall, U. S. Engineers' Office, 

 Vicksburg, Miss. 



Wilbur Fisk Massey, Botanist and Horticul- 

 turist of Experiment Station, Raleigh, N. C. 



Albert Matthews, 145 Beacon Street, Boston, 

 Mass. 



Fred. Baldwin Maxwell, Ph.D., Teacher of 

 Biology, 308 Franklin Avenue, River Forest, Oak 

 Park, Illinois. 



Edwin D. Mellen, Manufacturer, 1590 Mass. 

 Avenue, Cambridge, Mass. 



Charles S. Millard, Engineer of Maintenance of 

 Way, Peoria and Pekin Railway, Peoria, 111. 



Fred. J. Miller, Editor of American Machinist, 

 34 Beech Street, East Orange, N. J. 



Gerrit S. Miller, U. S. National Museum, Wash- 

 ington, D. C. 



James Shannon Miller, Professor of Mathe- 

 matics, Emory & Henry College, Emory, Va. 



Andrew S. Mitchell, State Analyst, 220 Green- 

 bush Street, Milwaukee, Wis. 



Charles A. Mixer, Resident Engineer, Rumford 

 Falls Power Co., Rumford Falls, Maine. 



Wm. J. Moenkhaus, Bloomington, Indiana. 



Charles Mohr, M.D., Oak Lane, Philadelphia, 

 Pa. 



David Molitor, 125 Park Avenue, Fond du Lac, 

 Wis. 



