112 THE NATURALISTS' DIRECTORY. [U. S. & CAN. 
American woods. Stereopticon and mic. preparations of 
woods. Send for circulars.* v 
2742 Hough, Walter, U.S. National Mus., Washington, D.C. 
Strat. Phys. Geol., Anth., Arch., Ethnol., Ethnog* 
2743 Houghton, Chas. A., West Medway, Mass. Orn., Tax. C. 
Ex* 
2744 Houser, Gilbert L., Instructor in Biol., State Univ. of la., 
Iowa City, la. Invert. Pa/ceo., Gen. BioL, Histol. C. 
Ex. 
2745 Houston, Edwin J., Prof. Physics, Franklin Inst., Prof. 
Physics and Physical Geog., Central High Sch., 1809 
Spring Garden St., Philadelphia, Pa. Phys. Geog., 
Physics, Elect., Meteo.* 
2746 Houston, George M., Harrison ville, Mo. Min., Mic. C. Ex.* 
2747 Hovey, C. H., East Pasadena, Calif. Floriculture, Pomology, 
Hort. C. Ex.* 
2748 Hovey, E. O., Ph.D , 239 Center St., Annex, New Haven, Ct. 
Geol., Min., Petrog. C. Ex.* 
2749 Hovey, Rev. Horace C., D.D., 45 Barnum Ave., Middletown, 
Ct. Geol. , Anth. C. Ex. crinoids and cave specimens. 
2750 Howard, Clifford, L.L.B., 928 T St., N.W., (P.O. Box 633), 
Washington, D.C. Anth.* 
2751 Howard, Curtis C., M.Sc., Prof. Chem., Starling Med. Coll., 
Columbus, Ohio. Chem., Phys., Mic. C. Ex. 
2752 Howard, E. L., Herndon, Va. Chem., Min* 
27*3 Howard, Harry T., 523 Saint Charles St., New Orleans, La. 
Photog., Mic., Anth. 
2754 Howard, L. A., Petersburg, Monroe Co., Mich. Orn., Ool. 
C. in Ool. 
2755 Howard, L. O., M.S., Ass't Ent., Deot. Agric., Washington, 
D.C. Econ. Ent., esp. Parasitic Hymenopt.* 
2756 Howard, Prof. Orson, A.M., Bellevue Hospital, Med. Coll., 
New York City. Spiders. C.? 
2757 Howard, Sophie E., M.D., Auburn, N.Y. Gen. BioL, Mic. 
2758 Howard, W. H., M S., B.Ph., Prof, of Phys. Sci., Adrian 
Coll., Adrian, Mich. Phys. Geol, Chem., Phys* 
2759 Howe, Dr. H. A., University Park, Colo. Math., Ast* 
2760 Howe, Henry M., A.M., L.B., 287 Marlborough St., Boston, 
p < Mass. Me'tall. C. Ex.* 
2761 Howe, Jas. Lewis, M.D., Ph.D., F.C.S., Scientist to the 
Polytechnic Soc. and Cur. Polytechnic Mus., Prof. Med. 
Chem. and Tox., Hospital Coll. of Med., Louisville, Ky. 
Chem* 
2762 Howe, Lucien, M.D., 87 West Huron St., Buffalo, N.Y. 
Mic. C. Ex.* 
2763 Howe, Marshall A., Ph.B., Instr., Crypt. Bot., Univ. of 
Calif., Berkeley, Calif. Crypt. Plants, Ferns, Mosses, Fungi 
Lichens. C. Ex.* 
2764 Howell, Edwiu E., A.M., F.G.S.A., 612 17th St., N.W., 
Washington, D.C. Geol., Min., Zool., Meteorites. C. Re- 
lief maps and modelling.* 
