EEPORT ON THE OPERATIONS OF EXCHANGES. 



97 



New York : 



Academy of Medicine 2 



American Chemical Society 10 



American Ethnographical Society. 2 



American Ethnological Society G 



American Geographical Society 104 



American Inslitute 5 



American Institute of Architects. .. 2 

 American lustitiite of Christian 



Philosoi)hy 2 



American Metrological Society 6 



American Philological Association. 2 

 American Society of Civil Engi- 

 neers 2 



Anthropological Institute 1 



Astor Library 42 



Columbia College 7 



Columbia College Observatory 2 



Commissioners of Emigration 2 



Corporation of the City 2 



Coopt-r Institute 1 



Engineering auil Mining Journal.. 8 



Halls, Journal of Health 1 



Health Department 2 



Historical Society of Now York 1 



Lenox Library 2 



Mayor of the city 3 



Med ical Journal and Library 2 



Medical Kecorder 3 



Mercautile Library Association 2 



Metropolitan Museum of Arts 1 



Museum of Natural History 25 



New York Academy of Sciences 132 



New York Haudels Zeitung 2 



New York Herald 5 



New York Historical Society 8 



New York Literary and Philosoph- 

 ical Society 2 



New York Medical Journal 9 



New York Medical Record 4 



New York Times 12 



New York Tribune 3 



Observatory, Central Park 10 



Popular Science Monthly 1 



Presbyterian Review 2 



Private Observatory of L. M.Ruth- 

 erford 2 



Public Health Association 4 



School of Mines 8 



Scieutitic American 2 



United States Sanitary Commission. 9 



University of New York 8 



Phelps: 



Red House Observatory 1 



Poughkeepsie : 



Society of Natural Sciences 1 



H. Mis. 26 7 



Vassar College 3 



Vassar College Observatory 1 



Riverdale : 

 Private Observatory of W. Meiklo- 



ham 1 



Rochester : 



Warner Observatory 1 



Schenectady: 



Union College 6 



Tarry town : 

 Private Observatory of Chas H. 



Rockwell 1 



Troy: 



Rensselaer Polytechnic Institute.. 3 



Scientific Society 2 



William Proudfit Observatory 1 



Utica: 



State Lunatic Asylum 1 



West Point: 



United States Military Academy . 11 



West Point Observatory 1 



Willets Point: 



Field Observatory 1 



OHIO. 



Ashtabula : 



Anthropological Society 8 



Cincinnati : 



Academy of Fine Arts 1 



Astronomical Society 1 



Cincinnati Enquirer 1 



Cincinnati University 3 



Corporation of the city 1 



Historical and Philosoph'l Society. 2 



Mechanics' Institute 2 



Mercautile Library 1 



Observatory 24 



Public Library 9 



Society of Natural History 22 



Cleveland : 



Academy of Natural Sciences 2 



Board of Health 2 



Kirtland Society 1 



Columbus: 



Geological Survey of Ohio 2 



Horticultural Society 10 



Private Observatory 1 



State Board of Agriculture 38 



State Libraiy 2 



Gambier : 



Kenyon College 1 



Hudson : 



Hudson Observatory ..„ 1 



Linwood: 



Private Observatory 1 



