U. S. & CAN.] THE NATURALISTS' DIRECTORY. 147 
3557 Marshall, D. M., M.D., Forestport, Oneida Co., N.Y. On., 
Tax. C.* 
5558 Marshall, Herman W., Box 554, Brockton, Mass. Ent. C. 
Ex.* 
3559 Marshall, John P., Prof. Min. and Geol., Tufts Coll., College 
Hill, Mass. Dir. of Baruurn Mus. of Nat. Hist. Ex. 
3560 Marshall, Mary A., 83 Grove St., New Haven, Conn. Sot., 
Zool. C.* 
3561 Marshall, William B., New York State Museum, Albany, 
N.Y. Zool., Moll* 
3562 Marshall, Wm. Stanley, Ph.D., 40 Prospect Ave., Milwaukee, 
Wis. Invert. Anat. 
3563 Marsters, Vernon F., Church St., Cornwallis, Kings Co., 
N.S., Can. Palceo., Geol., Min. C. Ex.? 
.3564 Marston, George T., Memb. Am. Assoc. of Conchologists. 
Quincy, 111. Specialties: Wisconsin Mollusks, Genera 
tiphcerium and Pisidium.* 
3565 Marten, John, Champaign, III. Dipt. 
3566 Martens, Jas. Wm., Jr., Mohegan, Westchester Co., N.Y. 
Bot: Phcen. Plants, Ferns. C. Ex.* 
3567 Martin, Daniel S., Prof. Geol., Rutgers Female Coll., 236 
West 4th St., New York, N.Y. Invert, and Veg. Palceo., 
Mm., Gen. Biol., Arch. C.* 
356-i Martin, E. S., Wilmington, N.C. Ast. 
3569 Martin, Henry Newell, M.A., D.Sc., M.D., F.R.S.. Prof. 
Johns Hopkins Univ., Baltimore, Md. Gen. Biol., Physiol. 
3570 Martin, Lillie J., Teacher of Sci., Girls' High School, San 
Francisco, Calif. Chem., Bot* 
3571 Martin, Mrs. Martha E. J., 67 West 96th St., New York, 
N.Y. Orn* 
3572 Martin, T. C., Ed, " The Electrical Engineer," 203 Broad- 
way, N.Y. Elect., Bibliog* 
3573 Martin, William J., Prof. Davidson Coll., Mecklenberg Co., 
N.C. Chem* 
3574 Martine, Chas. A., Georgetown, Colo. Min., Inorg. Chem., 
Metall* 
3575 Martz, Rev. Geo. J., Lebanon, Pa. Ast., Meteo. 
3576 Marvin, Chas. F., Mech. Eng., Prof. Meteo., U.S. Weather 
Bureau, Washington, D.C.* 
3577 Marvin, D. S., Watertowu, N.Y. Min., Fossils. C. Ex.* 
3578 Marvin, F. O., Prof. Civil Eng., Univ. of Kansas, Lawrence, 
Kansas. Invert. Palceo., Applied Physics, Chem.> Math., 
Ast* 
3579 Marvin, J. B., M.D., 903 4th Ave., Louisville, Ky. Chem., 
Mic.* 
3580 Marx, George, M.D., Dept. Agric., or 924 Mass. Ave., Wash- 
ington, D. C. Arach. C. Ex.* 
3581 Masius, Alfred G., Dept. Agric., Washington, D. C. Bot.f 
3582 Mason, Benj. F., M.D., San Leandro, Alameda Co., Calif. 
Palceo., Geol, Min., Lith. C. Ex.* 
