U. S. & CAN.] THE NATURALISTS' DIRECTORY. 59 1 
1418 Dawson, Chas. F., M.D., Dept. Agric., Washington, D.C. 
Zool., Gen. Biol., MorphoL* 
1419 Dawson, Chas. W., Kansas City, Mo. Palceo., Gen. Sci. 
1420 Dawson, George M., C.M.G., LL.D., F.R.S., Asst. Director 
Geol. Survey of Canada, Ottawa, Can. Geol., esp. Western 
Geol., Eth* 
1421 Dawson, Sir J. William, C.M. G., LL.D., F.R.S , Prin.McGill 
Coll., Montreal, Can. Geol., Palceo* 
1422 Dawson, William, Spiceland, Henry Co., Ind. Ast., Meteo.f 
1423 Day, David F., 69 Cottage St., Buffalo, N.Y. Hot. C. Ex.* 
1424 Day, David T., U.S. Geol. Survey, Washington, D.C. Org. 
and Inorg. Chem. C. of minerals. Ex.* 
1425 Day, L. T.', M.D., Westport, Ct. Vert. Palceo., Dipt. C.? 
1426 Day, Mary A., Librarian Herbarium of Harvard Univ., Cam- 
bridge, Mass.* 
1427 Day, Mary C., San Luis Obispo, Calif. Ferns, Con., Min., 
Crystall C. Ex.* 
1428 Day, Theodore, Dy berry, Wayne Co , Pa. Bot., Veg. 
Palceo., Meteo., Ent. C.* 
1429 Day, William B., Ph.G., 3034 Groveland Ave., Chicago, 111. 
BotiPhoen. and Crypt. Plants, Ferns, Mosses, Fungi, Lichens, 
Algce, Desmids, Diatoms; Mic., Veg. Ei&tol. C. Ex.-* 
1430 Day, Wm. C., Ph.D., Prof. Chem., Swarthmore Coll., Swarth- 
more, Pa. 
1431 Dean, Rev. Artemas, D.D., Muncy, Lycoming Co., Pa. Min., 
Arch., Palceo., Zool., Moll., Algce. C. Ex. 
1432 Dean, Basbford, Ph.D., Instructor in Biol., Columbia Coll., 
New York, N.Y.* 
1433 Dean, D. V., M.D., Grand Ave. and Olive St., St. Louis, Mo. 
Late Prof. Histol., Pathol. Anat. and Bacteriol., Director 
Biolog. Laboratory, Beaumont Hospital Medical College. 
Bot., Palceo.. Mic., Emb., Arch., Ent., Chem.* 
1434 Dean, Edwin A., New London, N.H. GeoL, Min. C. Ex. 
Printing done in exchange for minerals.* 
1435 Dean, Geo. W., Box 92, Fall River, Mass. Elect., Ast.* 
1436 Dean, Geo. W., Kent, Portage Co., Ohio. Hort., Palceo., 
Min., Arch., Moll. C. Ex. shells only. 
1437 Dean, John. Entomologist; Chem. and Micros. Analyzer of 
Silk Fabrics, Silk Culturist, 160 7th St., Brooklyn, N.Y. 
Mic., Silk Culture. Ent. C. Ex. Wishes to purchase or 
exchange empty Silk Cocoons of every wild species from all 
parts of the world.* 
1488 Deane, Ruthven, 61 Wabash Ave., Chicago, 111. On.* 
1439 Deane, Walter, Brewster St., Cambridge, Mass. Phcen. Bot., 
Vascular Cryptogams. Desires especially phanerogams and 
vascular cryptogams from the region of the Gray Manual, 
and carices from No. America. C. Ex.* 
1440 Dearing, Wm. S., Escondido, San Diego Co., Calif. Bot., 
Coleopt., Mic., Ent* 
1441 Dearness, John, P.S.I., London, Ont., Can. Hot: Phcen. and 
Crypt. Plants, Feins, Mosses, Fungi, Lichens, Algce, Des- 
mids, Diatoms., Mic., Gen. Biol. C.* 
