74 SOCIETY OF NATURALISTS. 



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 Museum., Albany., N. T. 

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



Geologist, U.S. Geological Survey. 



1S03 Arch street., Philadelphia., Penn. 

 *Heilprin, Angelo. Palteontology 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., Penti. 

 *Henshaw, Samuel. Zoology. 



Assistant, Boston Society of Natural History. 



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

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



Professor of Geology and Mineralogy, Dartmouth College. 



Hanover., N^.H. 

 Hitchcock, Romyn. Fresh Water Algae. 



Acting Curator, U.S. National Museum. 



S?nithsonian Institution^ Washingtoji., D. C. 

 ♦Holder, J. B., M.D. Zoology. 



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



American Museum., Central Park., N. 7~. 

 Howell, William H., B.A., Ph.D. Physiology. 



Associate in Biology, Johns Hopkins University. 



Joh?is Hopkins University., Baltimore, M.D. 

 Hunt, T. Sterry, A.M., LL.D. Mineralogy and Geology. 



Mo7itreal., Canada. 

 *Hyatt, Alpiieus, S.B. Palaeontology and Zoology. 



Curator of the Boston Society of Natural History, and Pro- 

 fessor of Zoology and Palaeontology at the Massachusetts 

 Institute of Technology. 



Post 071 Society of Natural History., Boston, Mass. 



