U. S. & CAN.] THE NATURALISTS' DIRECTORY. 61 
1470 Denison, Julian F., Manufacturing Electrician, 87 Lake Place r 
New Haven, Ct. Phys., Elect* 
1471 Dennis, David W., Prof. Biol. in Earlham College Richmond, 
Ind. Invert., Palceo., GeoL, Min. C. Ex. 
1472 Dennis, L. M., Cornell Univ., Ithaca, N.Y. Inorg. Chem., 
Gas and Spectrum Analysis.* 
1473 Denny, H. G., 72 Pearl St., Boston, Mass. Bibliog., PhiloL* 
1474 Den slow, Rev. H. M., Seneca Falls, N.Y. Bot: N. A. Or- 
chids. C. Ex. 
1475 Densmore, H. D., Prof. Bot., Beloit College, Beloit, Wis. 
1476 Denton, A. A., Sterling, Kansas. Collector and grower of 
varieties of Sorghum for sugar .manufacture. Buy or ex. 
seeds of new varieties.* 
1477 Denton, Edw. S., West Point, N.Y. Bot., GeoL, Min., Elect. 
C.* 
1478 Denton, R. Winsford, Wellesley, Mass. Lepid. C* 
1479 Denton, S. W., Wellesley, Mass. Cur. of the Brewster Mus. 
in Cambridge, Mass. Orn., Tax., OoL, Ent., Con., (Uni- 
onidce,) Crypt. Bot., Photog., GeoL, Mm., Geog. Dut., Arch., 
Eth. Large collections of bird skins, eggs, shells, fossils 
and insects from New Zealand, Tasmania, Australia, New 
Guinea and America for sale or to exchange for specimens 
desired. Correspondence solicited. C. Ex.* 
1480 Denton, Wm. D., Wellesley, Mass. Orn., Ent. C* 
1481 De Puy, Hiram, M.D., DD.S., 72 Wylie Ave., Pittsburgh, Pa. 
Mic., Arch., Moll., Comp. Anat. of Teeth, Indian Relics. C. 
Ex.* 
1482 Dercum, Francis X., M.D., Ph.D., 810 N. Broad St., Phila- 
delphia, Pa. Fishes* 
1483 Derousse, Louis T., Camden, N.J. Agric., Mic., Ent.* 
1484 Desloge, Jno. M., M.E., Bonne Terre, Mo. GeoL, Metall. 
Elect., Photog. Ex. Would like to ex. notes on Mining, 
Concentration, and Smelting. 
1485 Desper, Ernest W., S.B., Instructor in Inorg. Chem., Wor- 
cester Polytechnic Inst., Worcester, Mass. 
1486 Desrochers, Rev. P., Prof., Joliette, Que., Can. Bot., Ent.* 
1487 Detraz, E. R., Vevay, Ind. Phys.* 
1488 Detwiller, J. W., M.D., 322 S. Main St., Bethlehem, Pa. 
Min., Orn., OoL, Lepid., Beptiles of Columbia, S. A. C. Ex. 
1489 Deveny, Miss Mary M., B.S., 790 Case Ave., Cleveland, Ohio. 
Chem., Phys.? 
1490 Devereaux, W. L., Clyde, Wayne Co., N.Y. Econ. Ent. C. 
in Coleopt. and Lepid. Ex.* 
1491 Dewart, F. W., Missouri Botanical Gardens, St. Louis, Mo. 
Bot. C. 
1492 Dewees. Thos. J., Palmira, N.J. Orn., OoL 
1493 Dewey, A. H., 42 Monroe Ave., Rochester, N.Y. Min., GeoL, 
Arch., C. Ex.* 
1494 Dewey, Frederic P., 621 F St., N. W., Washington, D.C. 
GeoL (economic), Min., Inorg. Chem., Meteo.* 
