146 THE NATURALISTS' DIRECTORY. [U. S. & 
3534 Marcou, Jules, 42 Garden St., Cambridge, Mass, (and at 
Salins, Jura, France). 
3535 Marcy, Henry O., A.M., M.D., LL.D., 180 Commonwealth 
Ave., Boston, Mass. Emb. of Vert., Osteol., Gen. BioL, 
Bacterial.* 
3536 Marcy, Oliver, Prof. Nat. Hist., Northwestern Univ., Evans- 
ville, Cook Co., 111. Geol., Zool 
3537 Mariner, Prof. Geo. A., M.D., 81 S. Clark St., Chicago, 111. 
Analyt. and Consulting Chem. C. of Mins.* 
3538 Marion, George L., M.D., Elgin, 111. Mic., Bacteriol. C.* 
3539 Mark, Edw. L. Ph.D., Hersey Prof . of Anat., Harvard Univ., 
Asst. Mus. Comp. Zool., Cambridge, Mass. Zool, Emb., 
Worms.* 
3540 Markoe, Francis H., M.D., Columbia Coll., New York, N.Y. 
Surgery.* 
3541 Markoe, George F. H., A.M., Ph.G., Analytical and Consult- 
ing Chemist, Prof. Theoretical and Practical Pharm., 
Mass. Coll. Pharmacy, 27 Central St., Boston, Mass. 
Pharm* 
3542 Marks, Louis B., M.M.E., Washington, Pa. Chem., Phys., 
Elect. 
3543 Marks, B,., Dodgeville, Iowa Co., Wis. Geol., Min. C. ? 
3544 Marlatt, C. L., M.S., Asst. Ent., U.S. Dept. Agric., Washing- 
ton, D.C. Hymen., Econ. Ent. Ex. Hymen, of all families 
for Tenthredinidae.* 
3545 Marlatt, Fred. A., Asst. Ent., Kansas Expr. Station, Man- 
hattan, Kansas. Hort., Mic., Photog., Orn. C. Ex.* 
3546 Marret, W. H., Brunswick, Me. Min., Palceo. C.? 
3547 Marsh, C. Dwight, Prof. Biol., Ripon Coll., Ripon, Wis. 
Entomostraca. C. Ex. Desires Coleopt. and Entomos- 
traca.* 
3548 Marsh, Charles H., Chamber of Commerce, San Diego, 
Calif. Ooi., Orn,, Tax., Mammals. C. Southern Calif, 
skins and eggs for sale. Do not ex. Price-list sent on ap- 
plication.* 
3549 Marsh, Dr. Chas. W., 435 Fifth Ave., New York, N.Y. Min., 
Chem., Metall., Physics, Meteo., Elect* 
3550 Marsh, Fred S., Ph.G., 18 East 2nd St., Jamestown, N.Y. 
Bot., Mic., Photog. C. Ex.* 
3551 Marsh, O. C., Prof. Yale Coll., New Haven, Ct. Palceo., 
Comp. Anat. 
3552 Marsh, Philip, Aledo, 111. Con., Orn., Ool., Bot. C. Ex. 
L. and F. W. Shells; Unionidse and Helicidse esp. desired. 
3553 Marsh, Wm. A., Box 131, Aledo, Mercer Co., 111. Bot., 
Palceo., Min., Geog. Dist., Arch., Moll., Corns, Woods. Ex. 
3554 Marsh, Wm. D., Box 274, Amherst, Mass. Min., Ent., speci- 
alty, Ot-n., Ool. C. Ex. 
3555 Marshall, Alfred, 115 Liberty St., New York, N.Y. Mic., 
Photog., Orn., Ool., Tax. C. Ex.* 
3556 Marshall, Prof. D. H., M.A., F.R.S.E. Queen's Univ., King- 
ston, Ont., Can. Physics.* 
