JUNE 7, 1901. ] 
Farquhar, Miss Helen, Teacher of Geometry, Algebra 
and Physics, Moravian Seminary, Bethlehem, 
Pa. 
Frost, George H., Editor of Engineering News, 220 
Broadway, New York City. 
Galbraith, Prof. John, School of Practical Science, 
Toronto, Canada. 
Graham, James C., Chemist, Phillips Academy, An- 
dover, Mass. 
Granyille, Dr. Wm. A., Instructor in Mathematics, 
Yale University, 7; Elm St., New Haven, 
Conn. 
Grimes, Prof. James 8., 122 Wesley Ave., Evanston, 
Tl. 
Gold, Rey. Dr. James Douglas, Covington, Miami 
Co., Ohio. 
Hall, Robert W., Biology, 2 Hillhouse Ave., New 
Haven, Conn. 
Halsted, William Stewart, 1201 Eutaw Place, Balti- 
more, Md. 
Hamaker, Prof. John I., Professor of Geology and 
Biology, Trinity College, Durham, N. C. 
Harrison, Dr. Robert Henry, Practising Physician, 
Columbus, Colorado Co., Texas. 
Henrich, Carl, Mining Engineer, Care of Union Cop- 
per Mining Co., Gold Hill, N. C. 
Herr, Hiero B., Civil and Mining Engineer, 1246 
Marquette Building, Chicago, Ill. 
Herschberg, Hon. Michael H., Judge of Supreme 
Court, State of New York, Newburgh, N. Y. 
Hill, Ebenezer, Treasurer, Norwalk Iron Works, 
South Norwalk, Conn. 
Hillkowitz, Dr. Wm., Physician, 704 Race St., Cin- 
cinnati, Ohio. 
Holmes, Frederic Harper, Instructor in Physics, 
Geography and Mathematics, State Normal 
School, Hyannis, Mass. : 
Hoobler, Bert R., Botanist and Zoologist, Wabash 
College, Crawfordsville, Ind. 
Hooker, Donald R., Chemist, 436 Orange St., New 
Haven, Conn. 
Hooper, Alcaeus, 710 Merchant’s Bank, Baltimore, 
Md. 
Hotchkiss, Henry S., Geologist, 55 Hillhouse Ave., 
New Haven, Conn. 
Howland, Howard N., Lake Forest, Ill. 
Keller, Edward, Ph.D., Box 724, Baltimore, Md. 
Kelly, William, Mining Engineer, Gen. Mgr. Penn. 
Tron Mining Co., Vulean, Mich. 
Kendall, Hugh F., Mining Engineer, Care of Pitts- 
burg & Lake Angeline Iron Co., Ishpeming, 
Mich. 
Kindle, Dr. Edward M., Geologist, 109 Elm St., 
New Haven, Conn. 
SCIENCE. 
903 
Kops, Julian de B., Civil Engineer, Savannah, Ga. 
La Fetra, Dr. Linnaeus E., Physician, 58 West 58th 
St., New York City. 
La Rue, Wm. G., Mining, North Freedom, Sauk 
Co., Wis. 
Lauder, George, 7403 Penn Ave., Pittsburg, Pa. 
Lockwood, Cornelius U., Teacher of Science, P. O. 
Box 15, Middle Hope, Orange Co., N. Y. 
Macbeth, Geo. A., 717 Amberson Ave., Pittsburg, 
Pa. 
Macdonald, Benjamin J., 296 Grand St., Newburgh, 
Ia We 
Marble, Milton M., Instructor in Physics, Hillhouse 
High School, New Haven, Conn. 
Marvin, Walter T., Philosophy and Psychology, 39 
Knox St., Cleveland, Ohio. 
McKelvy, Dr. Wm. H., President Board of Hduca- 
tion, 420 6th Ave., Pittsburg, Pa. 
Morton, James F., Andover, N. H. 
Negley, Henry H., Botanist, 600 N. Negley Ave., 
Pittsburg, Pa. 
Ness, Prof. Helge, Botanist, A. & M. College, College 
Station, Texas. 
Nicola, Frank F., Engineering, Cor. Wood & 6th 
Aves., Pittsburg, Pa. 
Palmer, Dr. Charles 8., Professor of Chemistry, Uni- 
versity of Colorado, 1224 Pine St., Boulder, 
Colo. 
Perkins, Albert S., Teacher of Chemistry, 75 Milton 
Ave., Hyde Park, Mass. 
Platt, Dr. Walter B., Physician, 802 Cathedral St., 
Baltimore, Md. 
Porter, Henry K., Trustee of Carnegie Institute, 541 
Wood St., Pittsburg, Pa. 
Rice, John A., Mining Engineer, Bland, Bernalille 
Co., New Mexico. 
Richards, Alfred N., 45 West 60th St., New York 
City. : 
Richards, Prof. Charles R., Professor of Mechanical 
Engineering, Uniy. of Nebraska, Lincoln, Nebr. 
Roe, Edward Drake, Jr., Associate Professor of Math- 
ematies, Syracuse Univ., 105 Anna St., Syra- 
cuse, N. Y. 
Schweinitz, E. A. de, M.D., U.S. Dept. Agriculture, 
Washington, D. C. 
Scott, William, Attorney-at-Law, 
Pittsburg, Pa. 
Sedgwick, Prof. Wm. T., Mass. Inst. Technology, 
Boston, Mass. 
Shaw, Wilson A., Cashier Merchants’ and Manufac- 
turers’ National Bank, Norwood Ave., cor. 
Forbes Ave., Pittsburg, Pa. 
450 4th Ave., 
