46 SOCIETY OF NATURALISTS. 



*Le\vis, H. Carvill, A.m. Geology and Mineralogy. 



Professor of Mineralogy, Academy of Natural Sciences of 

 Philadelphia, and Lecturer on Geology and Palceontology 

 at Haverford College, Haverford, Penn. 

 Acade?ny of Natural Sciences^ Philadelphia^ Penn. 

 *LiBBEY, William, Jr., A.M., Sc.D. Histology. 



Professor of Physical Geography, Princeton College, and 

 Vice-Director of the E. M. Museum of Geology and 

 Archaeology. 

 Pri?iccto?i.i JV.y. 

 *LocKiNGTON, W. N. Zoology. 



1 104 Walnut street., Philadelphia.^ Penn. 

 *Macloskie, George, D.Sc, LL.D. Biology. 



Professor of Biology, Princeton College. 

 Princeton., N.J. 

 *Marcou, John B. Geology. 



Assistant Geologist, U.S. Geological Survey. 

 U.S. National Mtiseiim., Washington., D.C. 

 *Marshall, John P., A.M. Mineralogy and Geology. 



Professor of Mineralogy and Geology, Tufts College. 

 College Hill., Mass. 

 *Martin, H. Newell, A.M., M.D., D.Sc, F.R.S. Physiology. 

 Professor of Biology, Johns Hopkins University. 

 Johns Hopkins University., Baltimore., Md. 

 Mason, Otis T., A.M., Ph.D. Ethnology. 



Curator of the Department of Ethnology, U.S. National 



Museum. 

 Smithsonian Institjition, Washingto7i.^ D. C. 

 *McGee, W J Geology. 



Geologist, U.S. Geological Surve3^ 

 U.S. Geological Survey., Washington., D.C. 

 McMuRRicH, J. Playfair, M.A., Ph.D. Animal Morphology. 

 Instructor in Osteology and Mammalian Anatomy, Johns 



Hopkins University. 

 Johns Hopkins University ., Haltimore., Md. 

 *Meeiian, Thomas. Botany. 



Botanist to the Pennsylvania State Board of Agriculture, 

 Vice-President, Academy of Natural Sciences, Philadel- 

 phia, 

 Gcrmantown., Pe?i?i. 



