U. S. & CAN.] THE NATURALISTS 1 DIRECTORY. 133 
3227 Lang, Herbert, Tacoma Ave., Tacoma, Wash. Metall.* 
3228 Langdon, Daniel W., Jr., B.A., Consulting Geol. of the 
Chpsapeake and Ohio R.R. Office, Cincinnati, Ohio. Invert. 
Palceo.. Eocene Tertiary. C. Ex.? 
3229 Languor, F. W., M.D., 65 W est 7tu Sfc - Cincinnati, Ohio. 
Zoo/., Gen Biol , Geoy. Dixt., Morph., Emb., Vert. Anat., 
Anth., Vert , Orn., IHstol. C.* 
3230 Laugdon, J. G., 14 Pembroke St., Boston, Mass. Min., 
Photog. C* 
3231 Laijge, Dietrich, Teacher of German, St. Paul High School, 
Smut Paul, Minn. Bot: Fungi. 
3232 Lan.-guth, J. G., 88 Madison St., Chicago, 111. Mic. 
32-33 Lan^ille, Kev. J. H., M.A., Kensington, Md. Om., Ool., Bot. 
U* 
3234 Laugley, Jno. W., Metall. and Electrical Eng., Case School 
of Sci., Cleveland, Ohio. Metall., Elect* 
3235 Langley, Samuel P., Sec. of the Smithsonian Inst., Wash- 
ington, D.C.* 
3236 Langlois, Kev. A. B., St. Martinsville P.O., La. Phaen. and 
Crypt. Plants, Ferns, Mosses, Lichens, Funqi. C.* 
3237 Lau^bhaw, John P., Lawrence, Mass. Member of Lawrence 
Aroha3ological Society. Takes Special interest in Prehis- 
toric, Mound Builders and Indian Rel?cs, Old or New 
Books on same, desires Casts of Kare Archaeological Spec., 
Old Almanacs, Books, Coins, Autographs, Minerals, 
Agates, and Curiosities of all kinds. Ex. spec, or casts. 
Solicits correspondents on above.* 
3238 LanneAu, John F., Prof. Physics and Appl. Math., Wake 
Forest Coll., Wake Forest, N.C. Physic*., Elect., Ast. 
3239 Laupliere, Alvin T., 1001-2 Tacoma BTd'g, Chicago, 111. 
Geol., Arch., Elect. C.* 
3240 Lanza, Gaeiano, Prof, of Theoretical and Applied Mechanics 
in charge Dept. of Mech. Engineering, Mass. Inst. Technol- 
ogy, Boston, Mass.* 
3241 La Pierre, Julian, M.D., 220 Central Ave,, Norwich, Conn. 
Bibliog., Anth. C.* 
3242 Lansou, Cornelius W., M.D., Prof. Zool., Univ. Lewisburg. 
Pa., Prin. Acad. Sci. and Arts, Ringoes, N. J. Zool., Biol. 
C. Ex. Fishes. 
3243 Larkin, Edijar L., Galesburg, 111. Bot., Ast. 
3244 Larson, C. Frithiof, M.I) , B.Sc., Iron Mountain, Mich. Bot., 
Vert. Palwo., Zool., Vert. Anat. C. Ex.* 
8245 Last, Louis, Ph.G., Auaiyt. and Dispensing Chem., 317 Reed 
St., Moberly, Mo. Chem., Mic.* 
3246 Latchford, Francis R., B.A., Ottawa, Ont., Can. Moll. C. 
Rare and beautiful Canadian Shells exchanged for L. and 
F. W. species from the South and West.* 
3247 Latham, Miss V. A. D.U.S., F.R.M.S., F.S.Sc. North 
Western Univ. Woman's Medical College, Chicago, 111,, 
and Devonshire House, Manchester, Eng. Director of the 
Micros. Laboratories of the College and Instructor in Path. 
