U. S. & CAN.] THE NATURALISTS' DIRECTORY. 49 
1171 Commons, Albert, 101 South Dupont St., Wilmington, Del. 
Phcen. Bot., Ferns, Mosses, Hepaticce, Lichens, Fungi. C.* 
1172 Comstock, Frank M., Ph.D., Case School of Applied Sci. r 
Cleveland, O. Bot., Geol, Min., Arch., Zool. C. Ex.* 
1173 Comstock, G. C., Dir. Washburn Observ., Madison, Wis. 
Phys., Meteo., Ast* 
1174 Comstock, J. Henry, Prof, of Ent. and Gen. Invert. Zool. r 
Cornell University, and non resident Prof, of Ent. in 
Leland Stanford Univ.; April to Dec., address, Ithaca, N. 
Y. ; from Jan to March, Palo Alto, Calif. Economic Ent.* 
1175 Comstock, Dr. Theo B., Pres. of the Univ. of Ariz., ard Dir. 
School of Mines, Tucson, Ariz. Desires ex. Min., Lithol., 
Pala&o. ; also esp. metallic ores, economic mins. and met- 
allurgic products.* 
1176 Comstock, T. Griswold, A.M., M.D., Ph.D., Master in Ob- 
stetrics (Vienna), 3401 Washington Avenue, St. Louis, Mo. 
Chem., Elect., Anat. C.* 
1177 Conant, Woodbury P., Wenham, Mass. Destructive distilla- 
tion of wood (espec. pine) and treatment of products. 
Also preservation of piles, lumber, etc. by creosoting. 
1178 Condict, G. Herbert, Elect. Eng., 4720 Green St., German- 
town, Phila., Pa. Elect* 
1179 Cone, James B.,640 Farmington Ave., Hartford, Ct. Min 
C. Ex.* 
1180 Congdon, Ernest A., Prof. Chem. in the Drexel Inst. of Art, 
Science and Industry, Philadelphia. Pa. Chem.. MetalL* 
Photocj., Gen. Biol* 
1181 Conklin, E. G., Ph.D., Prof. Biol., Ohio Wesleyan Univ., Del- 
aware, O. Bot., Zool., Gen. Biol., Morphol., Emb., Anat.^ 
Vert, and Invert, Osteol. C. Ex.* 
1182 Conklin, Wm. A., Ph.D., 187th St. and 10th Ave., New York 
N.Y., Mammals, Birds* 
1183 Conklin, W. J., M. D., Dayton. Ohio. Lepid. C.* 
1184 Conley, JohnD., Ph.D., Prof. Zool., State Univ., Laramie, 
Wyoming. Geol., Palceo., Min. Desires to ex. fossils. C 
(large and rare). Ex. 
1185 Conn, H. W., Ph.D., Prof. Biol., Wesleyan University, Mid- 
dletown, Ct. Zool., Bot., Mic., BacterioL Ex.* 
1186 Conrad, A. H. , Prof. Nat. Hist., Parsons College, Fairfield, 
la. Palceo., Geol. C. Desirable fossils of Devonian and 
Carboniferous for ex. 
1187 Conr^adi, Adolph, Bethlehem, Pa. Native and Foreign Lenid 
C. Ex. and for sale.* 
1188 Conser, Prof. H. N., New Berlin, Pa. Gen. Biol., Emb., ffis- 
tol. C. Ex. 
1189 Converse, J. H., M.D., M.D.S., Danville, 111. Orn., Gen. Mic* 
1190 'Cook, Albert J., Prof. Zool. and Ent., Agricultural College 
Mich. Ent* 
1191 Cook, Prof. Chas. S., 733 Hinman Ave., Evanston, III., Prof, 
of Physics, Northwestern Univ. Phys., Elect ' Mic ' 
Photog., Meteo., Ast., Ili(>li<></. 
