U. S. & CAN.] THE NATURALISTS' DIRECTORY. 
Hort.; NIC., Geog. Dist., Anth., Arch., Orn., Moll, Radi- 
ates.* 
6140 Yawger, Howard E., Union Springs, Cayuga Co., N. Y. 
Geol., Min., Org. Chem., MetalL, Arch., Orn., Tax. C. Ex. 
6141 Yeates, William S., State Geologist, Atlanta, Ga. Min., 
Cry stall., Inorg. Chem., Geol.* 
6142 Yendell, Paul S., Winter St., Dorchester, Mass. Ast.* 
6143 Yoakum, Prof. Franklin I., M.D., Pres. Acad. Sci., Tyler, 
Smith Co., Tex. Gen. Nat. Hist. C. Ex.? 
6144 York, Miss Effie V., 1221 Franklin St., Oakland, Calif. M. 
Algaz, Mosses, Ferns. C. Ex.? 
6145 York, Jas., Jr., Saginaw, W. S. Mich. C. Woods. Ex. 
6146 York, Wm. F., Nashua, N. H. Geol., Min., Arch. C. Ex.* 
6147 Youmans, William Jay, M.D., care "Pop. Sci. Monthly," 
1 Bond St., New York City, N. Y. Chem., Physiol* 
6148 Young, Kev. Albert A., Cobden, Union Co., 111. GeoL, Mic., 
Tax. C. Ex.* 
6149 Young, A. H., Hanover Coll., Hanover, Ind. Bot., Geol. C. 
Ex.* 
6150 Young, Abram Van Eps, Prof, of Chem. in North Western 
Univ., Evanston, 111. Min., Chem., Phys* 
6151 Young, Chas. A., Ph.D., LL.D., Prof. Ast., Coll. N. J., 
Princeton, N. J. Physics, Elect, Photog., Ast.* 
6152 Young, C. A., 181 Plane St., Newark, N. J. Lepid., Orn. 
6153 Young, Douglas 13., Newport, N. Y. Bot., Ent., Lepid., 
Coleopt. C. Ex.* 
6154 Young, E. Bentley, M.Sc., 104 Appleton St., Boston, Mass. 
Bot., Min., Lithol., Chem., Phys. C.* 
6155 Young, H. A., Revere, Mass. Bot: spec. Mosses. C.? 
6156 Young, Henry H., Perris, San Diego Co., Calif. Entr 
Western Coleopt., Arch., Lepid., Coleopt. 
6157 Young, Leon, G., St. Albans, Vt. Min., Orn., OoL, Tax., 
Lepid., Coleopt. C. Stamps. Ex.* 
6158 Young, Rawlings, M.D., Corinth, Alcorn County, Miss. 
Orn., OoL C.? 
6159 Young, Sydney, D.Sc., F.C.S., Prof. Chem., Univ. Coll., 
Bristol. Chem. 
6160 Young, Silas C., Edenville, N. Y. Min. C. Ex. Orange 
Co., N. Y., and Sussex Co., N. J., Minerals for sale.* 
6161 Younglone, John E., Bowling Green, Warren Co., Ky. 
Arch. C.* 
6162 Youngs, Geo. R., C.E., Penn Yan, N. Y. Bot. C. 
6163 Yznaga, Jose M., Washington, D. C. Mic., Photog. 
6164 Zabriskie, Rev. J. L., Waverley Ave., Flatbush, L. I., N. 
Y. Hymenopt., Fungi. Mic., preparations of woods of 
N. A., and of Fungi for sale. C. Ex.* 
6165 Zahn, Otta J., 427 Hope S., Los Angeles, Calif. OoL C.* 
6166 Zell, Mrs. Lydia Diller, Librarian Linnaen Society, Lancas- 
ter, Pa. Phcen. and. Crypt. Bot* 
6167 Zeller, M., State Univ., Crawfordsville, Ind. Crinoids. C. 
6168 Zellweger, John, care Gundlach Optical Co., Rochester, 
N. Y. Mic* 
