230 THE NATURALISTS' DIRECTORY. [U. S. & CAN. 
5582 Tryon, Mary E., Lockport, N. Y. Bot., Ferns, Con., Geol., 
jtfin., Eni. C. Ex.? 
5588 Tscharner, l John B., Oakawville, Washington Co., 111. 
Arch., Indian Relics. C. Ex.? 
5584 Tubbs, Nelson, Rochester, N. Y. Ast. 
5585 Tuck, Geo. H.. Box 94, Chicopee, Hampden Co., Mass. 
Orn., Tax., Photog. C. 
5586 Tucker, Gilbert M., Albany, N. Y. Lexicog* 
5587 Tucker, Prof. Greenleaf R., Boston City Hospital, Boston, 
Mass. Chem., Bacterial.* 
5588 Tucker, H. H., Holbrook, Mass. Bot: Phwn. and Crypt. 
Plants, Algce. C. Ex.* 
5589 Tucker, J. F., Univ. of the City of New York, N. Y. Arch., 
Eth., EthnoL? 
5590 Tucker, Willis G., M.D., Ph.D., F.C.S., Prof. Inorg. and 
Analyt. Chem. and Toxicol., Albany Med. Coll., Prof. 
Chem., Albany Coll. of Pharmacy, Albany. N. Y. Chem.* 
5591 Tuckerman, Alfred, Ph D., Scientific Bibliographies, 342 
West 57th St., New York, N. Y.* 
5592 Tuckermau, Frederick, Amherst, Mass. Histol. of Vert. 
5593 Tuckerman, L. B., M.D., 293 Central Ave., Cleveland, Ohio. 
Mic* 
5594 Tunison, Chas., 48 W. 97th St., New York, N. Y. Coleopt. 
C. Desires to ex. with Collectors in the South and West. 
Will buy desirable Curculiouidae. Would like lists of 
Coleopt. for sale.* 
5595 Turmbull, Gurdon, 970 Asylum Ave., Hartford, Ct. Orn. 
5596 Turner, Henry H., Gundlach Optical Co., Rochester, N. Y. 
Ast., Mic* 
5597 Turner. Henry W. , Ass't Geol., U. S. Geol. Surv., Washing- 
ton, D. C. Gen. Geol. 
5598 Tuttle, Albert H.. Prof. Biol., Univ. of Va., Albemarle 
Co., Va. Mic., Gen. Binl, Histol. 
5599 Tuttle, Franklin E., State Coll., Centre Co., Pa. Min., 
Chem* 
5600 Tweed ale, C. B., M.D., Salem, Washtenaw Co., Mich. 
Palceo., Geol., Anth., Arch.. Orn., Ent. C. Ex. 
5601 Tweeddale, Col. W., Civil and Hydraulic Engineer, Topeka, 
Kansas. Water Powers and Purification of City Water 
Supplies a specialty. Geol.. Chem.* 
5602 Twitchell, Herbert E , M.D.. 24 S. B. St., Hamilton, Butler 
Co., Ohio. Anth., Arch., Eth.. Ethnog. C. Ex,* 
6603 Tyler, John M., Prof. Biol., Amherst Coll., Amherst, Mass. 
Zool, Bot. Ex. Con. and Marine Invert. 
5604 Tyrrell, J. B., M.A.. B.Sc , F.G.S., Geol. Surv. of Can., Otta- 
wa, Ont., Can. ~ Strat. Geol., Palceo., Photog.* 
5605 Tyson. James, M.D., 1506 Spruce St.. Philadelphia, Pa. 
Pathol. Anat., HistoL and Clinical Medicine.* 
6606 Udden, J. A., A.M., Prof. Aueustana Coll., Rock Island, 111. 
Eonian deposits. Devonian fossils for exchange.* 
5607 Uehlirig, Edward A., Mech. Ens:., 1112 North 24th St., Bir- 
mingham, Ala. Met. C. Ex.* 
