202 THE NATURALISTS' DIRECTORY. [IT. S. <fe CAN. 
4907 Seifert, Otto, Druggist, 1630 E. End Ave., Cor. 84th St., New 
York City. Ent., Lepid. C.* 
4908.Seiler Carl, M.D., 1204 Walnut St., Phila., Pa. Fellow A.A. 
A.S. Elect., Mic., Laryngology. C. 
4909 Seiss C. Few, 1338 Spring Garden St., Philadelphia, Pa. 
HerpetoL, Gen. Zool. Reptiles and batrachians for ex.* 
4910 Seiss, Ralph W., M.D., 49 N. 17th St., Philadelphia, Pa. 
Comp. Anat., Vert., Zool. C. Ex. 
4911 Selby, Aug. D., 1282 Hunter Ave., Columbus, Ohio. Flora 
of Franklin County, Ohio. Bot., Phcen. Plants, Fungi, 
Hort. C. Ex.* 
4912 Seltzer, Jno. A., Lebanon, Pa. Minerals* 
4913 Selwyn, Alfred R. C., C.M.G., LL.D., F.R.S., F.G.S. Can., 
Dir. Geol. Surv. Can., Mus. and Office, Sussex St., Ottawa, 
Can. Geol* 
4914 Sener, S. M.. 124 N. Prince St., Lancaster, Pa. Arch., Gen. 
Hist* 
4915 Sennett, George B., Ana. Museum Nat. Hist., New York 
City. Orn. C. ? 
4916 Sensenig, David M., Prof. State Normal School, West Ches- 
ter, Pa. Phcen. Bot., Math. C. Ex. 
4917 Service, John, 43 Twelfth St., Norwich, Ct. Bot., Arch., 
Lepid., Moll. C. Ex. 
4918 Setchell, W. A., Yale Univ., New Haven, Ct. Cryptogams, 
Algce, espec. Laminarice. C. Ex, 
4919 Setley, Cletus, 135 Second Ave., West Reading, Pa. Geol., 
Min., Arch., Photog. C.? 
4920 Sewall, Henry, Ph.D., M.D., Prof. Physiol., Med. Dept. 
Univ. Denver, Sec. State Board of Health, 23 18th Ave., 
Denver, Colo.* 
4921 Sewall, Joseph A., M.D., LL.D., Prof. Chem., Denver Univ., 
Denver, Colo.* 
4922 Seymour, A. B., Cryptogamic Herbarium, Cambridge, Mass. 
| Bot., Fungi. C. Ex.* 
4923 Seymour, F. H., Detroit, Mich. Numls. C. 
4924 Seymour, George W., Taylor's Falls, Chisago Co., Minn. 
Arch., 'Coins. C. Ex.* 
4925 Seymour, Minor L., Cur. of Mus., State Normal School, Chi- 
co, Calif. Mic., Zool. C. Ex.* 
4926 Shafer, J. A., Ph.G., Carnot, Pa. Bot., Materia Med., Hort. 
C. Ex.* 
4927 Shaler, N. S., Prof, of Geology, Harvard Univ., Cambridge, 
Mass. Geol., Palceo.* 
4928 Shallcross, John, 4510-14 Frankford, Ave., Philadelphia, Pa. 
Ent., Min., Con., Mic. C.* 
4929 Shallenberger, Oliver B., Rochester, Pa. Elect., Min., Crys- 
tall., Chem., Metall., Physics, Mic., Photog.* 
4930 Shallenberger, Thomas M., Antiquarian, Bradshaw, Neb. 
Arch., Min., Geol., Numis. Will make collections in any 
department for ex. in above.* 
4931 Shanks, Seth G., M.D.,-547 Clifton Ave., Albany, N. Y. Mic., 
Histol. C. Ex.* 
