U. S & CAN.] THE NATURALISTS' DIRECTORY. 37 
870 Buttolph, Alfred, 21 Seneca St., Cleveland, Ohio. Care of 
H. R. Spencer Optical Co. Mic , Ast.f 
871 Button, FredL., 969 Broadway, Oakland, Calif. Con., J-foM. 
C. Ex.* 
872 Butts, Edward, C. E., Kansas City, Mo. Arch. C. 
873 Butz. Geo. C., State Coll., Centre 60., Pa. Bot. t Hort., 
Ent.* 
874 Buxton, Wm. W., Lapidary, Milo Centre, Yates Co., N.Y. 
Palwo., Geol. C. Ex. L. and F. W. and Marine Shells, 
Crystals and Fossils. Wishes Indian Relics.* 
875 Byerly, Wm. E., Prof. Math., Harvard Univ., Cambridge, 
Mass.* 
876 Byers, Wra. W., 635 Cherry St., Terre Haute, Ind. Phys., 
Mic. C.* 
877 Byrkit, J. W., Indianapolis, Ind. Moll. C. Ex.* 
878 Byrnes, Eugene A., A.B., LL.M., Examiner of MetalL 
and Chemist U.S. Patent Office, Washington, D.C. Meteo., 
Electro-Chem.* 
879 Cabell, James Alston, C.E., M.E., B.S., Richmond, Va. 
Diatoms, Geol. Min., Chem., spec. Fossils, Ores, Minerals, 
of Va. and W. Va. C.* 
880 Caffrey, G. W., Bethlehem, Pa. Con, C. Ex.* 
881 Cahoon, Carrie A., Pleasant Lake, Mass. Geol., Min. C. 
882 Cain, Wm., Prof. Math, and Eng., Univ. of N. C., Chapel 
Hill, N. C. 
883 Cajori, Florian, Colorado Springs, Colo. Ast. 
884 Caldwell, G. C., Ithaca, N. Y. Chem* 
885 Caldwell, Prof. Johu W., Tulane Univ., New Orleans, La., 
Chem., G>L 
886 Caldwell, Wm. H., Instructor Agric. Coll., Asst. Agric. 
Exper Station, State Coll., Centre Co., Pa. Agric. spec., 
Animal Husbandry and Dairying. 
887 Calef, Horace W., 327 Produce Exchange, New York, N.Y. 
Mic. C. Ex.* 
888 Calkins, GaryN., S. B., Institute of Technology, Boston, 
Mass. Bot: Alyw, Desmids, Diatoms, Mic., Geol., Gen. 
Biol, Anth., Crustacea.* 
889 Callahan, Thos. F., C.E., 708 East 5th St. and City Hall, 
Kansas City, Mo., Photog., Geol., Ent. C. Ex.* 
890 Calvert, B. T., Connersville, Ind. Cow., Rep. C. Ex. 
Land, F. W. and Marine Shells; also Snakes of Indiana 
and Ohio. 
891 Calvert, Philip P., Acad. Nat. Sci., Philadelphia, Pa., Odon- 
ata of the world. C. Ex.* 
892 Calvin, Samuel, State Geologist, Prof. Geol. and Struct. 
Zool., State Univ. of Iowa, Iowa City, la. Palceo., Biol. 
C. Ex. for invertebrate fossils.* 
893 Cameron, A., Prin. Yarmouth Acad., Yarmouth, N.S., Can- 
ada. Ast* 
894 Camp, David N., New Britain, Ct. Geol., Org. Chem. C.* 
895 Camp, Dr. J. E., Brooklyn, 111. Min., Arch. C. Ex. 
