U. S. & CAN.] THE NATURALISTS' DIRECTORY. Ill 
2719 Horgan, Stephen J., 339 Cambridge St., Worcester, Mass. 
Hort., Elect., Photog., Orn.* 
2720 Horn, August, M.D., Lect. Dermato)., Balto. Univ. School of 
. Med., 697 Mulberry St., Baltimore, Md. Mic., ZooL, Emb., 
Vert. Anat. C.* 
2721 Horn, E. H., Box 51, Blairsville, Pa. Geog. Dist., Moll., 
t- Radiates. C. Ex.? 
2722 Horn, George H., M.D., 874 North 4th St., Philadelphia, Pa. 
Coleopt.ofU.S. C* 
2723 Horn, H. B., M.D., Atchison, Kan.* 
2724 Hornaday, William T., Erie County Bank Building, Buffalo, 
N.Y. Mam* 
2725 Hornbeck, E. A., National City, San Diego Co., Calif. 
Palceo., GeoL, Mm., CrystalL, Arch., Moll: Shells and 
Corals. C. Ex.* 
2726 Home, A. R., D.D., Ed. "Nat. Educator," Allentown, Pa. 
Bot., GeoL, Min., Chem., Phys., Meteo. C. Ex.* 
2727 Home, Wm. Dodge, Ph.B., New Brunswick, N.J. Chem* 
2728 Horner, Mrs. Charlotte N.S., Georgetown, Mass. Flower- 
ing Plants, Ferns, etc. C. Ex. or" sell.* 
2729 Horsford, F. H., Charlotte, Vt. Sot., Hort.* 
2730 Horton, William, Perkinsville, Winsor Co., Vt. Ool. C.? 
2731 Hortter, J. Weiss, M.D., Ph.D., Boom 8, Acad. of Sci., San 
Francisco, Calif. Crypt. Plants, Ferns, Mosses, Fungi, 
Lichens, Algw, Diatoms, Vert., Invert, and Veg. Palceo. 
Strat. and Phys. GeoL, Min., CrystalL, LithoL, Photog., 
Bibliog., ZooL, Arch., Eth., Vert., Orn., Ichth., Articulates,. 
Lepid., Coleopt., Crustacea, Mollusks, Radiates, bponges. 
C. Ex.* 
2732 Hoskin, Henry G., Beloit, Colo. Orn., Ool., Tax. C. Ex.* 
2733 Hoskins, William, La Grange, Cook Co., 111. Min., Analyt. 
Chem., Mic. C. Ex.* 
2734 Hosmer, A. W., Landscape Photog., Concord, Mass. Bot., 
Photog. C. Ex. 
2735 Hosterman, Wm. P., A.M., Penn. Hall, Pa. Principal Bot. 
Spring Mills Acad.? 
2736 Hos tetter, A. B., Amateur Bot., Mt. Carroll, 111. Graminew, 
Arch* 
2737 Hotchkiss, Jed., Geol. and Consulting Mining Eng., ** The 
Oaks," 346 East Beverly St., Staunton, Augusta Co., Va. 
GeoL, Meteo., Physics, Arch., Bibliog., Eth., Ethnog. C.* 
2738 Hotsenpiller, Marie, Ballard, 111. Orn., Ool., C. Ex.* 
2739 Hough, G. W., Prof. Ast., North Western Univ., and Dir. 
Dearborn Observ., Evanston, 111. Meteo., Ast.* 
2740 Hough, Prof. Jacob Brenneman, M.D., Waynesville, War- 
ren Co., Ohio. Bot. of Aquatic Plants, Chem., Phys., 
Mic. W ants lining water plants for Aquariculture and 
gratis distribution. Lists furnished. Ex. 
2741 Hough, Romeyn Beck, B. A., Lowville, N.Y. On., Bot. 
Dendrol. C. Publisher of " American Woods ;" a publica- 
tion in book form of beautifully prepared specimens of 
