98 SOCIETY OF NATURALISTS. 



Gregory, Emily L., Ph.D. Botany. 



Associate in Botany, Bryn Mawr College. 



J3ryn Mawr^ Penn. 

 Hague, Arnold. Geology and Petrography. 



Geologist, U.S. Geological Survey. 

 Geological Survey^ Washington^ D. C. 

 *Hall, James, M.S., A.M., M.D., LL.D. 



Geology, Palaeontology. 



State Geologist of New York, Director of the State Museum 

 of Natural History. 



State Museutyi^ Albany^ N. T. 

 Hare, Hobart, M.D. Physiology. 



Demonstrator of Experimental Therapeutics, University of 

 Pennsylvania. 



117 South T-wenty-second street^ Philadelphia^ Penn. 

 *Hayden, F. v., M.D., LL.D. Geology. 



Geologist, U.S. Geological Sui-vey. 



1803 Arch street^ Philadelphia^ Penn. 

 *Heilprin, Angelo. Palaiontology and Geology. 



Professor of Invertebrate Palaeontology at, and Curator-in- 

 charge of, the Academy of Natural Sciences of Phila- 

 delphia, and Professor of Geology at the Wagner Free 

 Institute of Science. 



Academy of Natural Sciences., Philadelphia., Penn. 

 *Henshaw, Samuel. Zoology. 



Assistant, Boston Society of Natural History. 



Boston Society of Natural History., Boston., Mass. 

 *HiLL, Frank A. Geology. 



Assistant Geologist, State Survey of Pennsylvania. 



907 Walnut street., Philadelphia., Penn. 

 *HiTCHCocK, C. H., Ph.D. Geology. 



Professor of Geology and Mineralogy, Dartmouth College. 



Hanover., N.H. 

 Hitchcock, Romyn. Fresh Water Algse. 



Acting Curator, U.S. National Museum. 



Smithsonian Institution, Washington., D. C. 

 ♦Holder, J. B., M.D. Zoology. 



Curator of Invertebrate Zoology, Am. Museum Nat. History. 



American JMusczan, Cejitral Park., N.T. 



