170 THE NATURALISTS' DIRECTORY. [U. S. & CAN. 
4124 Orban, Rev. A., D.D., A.M., Librarian, Catholic Univ., 
Washington, D. C. Palceo., Geol, Min., Anth., Ent. C. 
Ex.* 
4125 Orcutt, Charles R., San Diego, Calif. Ed. " West Am. 
Scientist" and "The Great Southwest." Gen. ScL, 
Bot., Moll. Plants, Seeds, Shells, etc., from So. and L. 
Calif., furnished or collected to order. C. Ex. for books, 
etc. Correspondence solicited.* 
4126 Ordway, Mrs. E. W., S. B., Newcomb Coll., Tulane Univ., 
New Orleans, La. Chem.* 
4127 Ordway,] John M., Tulane Univ., New Orleans, La. Chem., 
Biol* 
4128 Orndorff, W. R., A.B., Ph.D., Ass't Prof. Chem., Cornell 
Univ., Ithaca, N. Y. Chem.* 
4129 Orne, John, Cambridge, Mass. Ast., Phys., Bot,, Ent. C.* 
4130 Orr, Henry B., A.B., Ph.D., Tulaue Univ., New Orleans, La. 
Smb., Vert., BioL* 
4131 Orton, Prof. Edward, Prof. Geol., State Univ., Columbus, 
Ohio. Palceo: Invert, and Veg., Strat. and Phys. Geol. C.* 
4132 Orton, John G.. M.D., Binghamton, N. Y. Palceo., Min., 
Mic. C. Ex.* 
4133 Osband, L. A., A.M., Prof. Physiol. and Bot., State Normal 
School, Ypsilanti, Mich. Bot.* 
4134 Osborn, Mrs. Ada M., Waterville, Oneida Co., N. Y. Palceo., 
Moll. C.* 
4135 Osborn, A. O., Waterville, Oneida Co., N. Y. Strat. Geol, 
Devonian and Lower Helderberg.* 
4136 Osborn, B. F., A.M., Rippey, Greene Co., la. Palceo., Geol, 
Herpetol. C. Ex. 
4137 Osborn, Chas. E.. 1421 Fairmont Ave., Philadelphia, Pa. 
Corals, Con., Indian Relics. C. Ex. Dealer. 
4138 Osborn, Francis A., 43 Milk St., Boston, Mass. Bot., Mic* 
4139 Osborn, Prof. Henry Fairfield, Sc.D., (Princeton) Da Costa 
Prof, of Biol., Columbia Coll., Cur. of Dept. of Mammalian 
Pals30., American Museum of Nat. Hist., New York, N. Y. 
(Address Museum). Vert. Zool, Mammalian Palceo.* 
4140 Osborn, Henry Leslie, Ph.D., (Johns Hopkins Univ.), Ham- 
line, Minn. Palceo., Einb., Vert.* 
4141 Osborn, Herbert, M.Sc., Prof. Ent. and Zool., and Entomolo- 
gist, Expr. Station, Iowa Agric. Coll., Special Agt. Div. 
Eat., U. S. Dept. Agric., Ames, la. Ent. C. Ex. De- 
sires Hemiptera and Mallophaga. Will give determina- 
tions in these orders and purchase desiderata.* 
4142 Osborn, Prof. H. S., LL.D., Oxford, Ohio. Min., Chem. 
4143 Osborn, Lucian M., LL.D., Prof. Phys. Sci., Colgate Univ., 
Hamilton, N. Y. 
4144 Osborne, John W., 216 Delaware Ave., N. E., Washington, 
D. C. Chem., Photog., Meteo.* 
4145 Osgood, F. Story, Box 517, Newburyport, Mass. Min., Arch. 
C. 
