1885.1 ^^^ 



Society at Cambridge ; tlie Eoyal Geological Society of Corn- 

 wall ; tbe Nova Scotian Institute; the Boston Society of 

 Natural History ; the Essex Institute ; tte Rhode Island 

 Society for the Encouragement of Domestic Industry ; the 

 American Journal of Science ; the Academy of Sciences, the 

 Meteorological Observatory and Prof. John S. Newberry of 

 New York ; the Brooklyn Library ; Mr. John B. Smith of 

 Brooklyn ; the Franklin Institute, the Historical Society of 

 Pennsylvania, the Pharmaceutical Association, the Mercantile 

 Library, the American Naturalist, Mr. Henry Phillips, Jr., and 

 the Misses Phillips of Philadelphia ; the American Journal of 

 Philology, Baltimore ; the United States National Museum; 

 the Virginia Historical Society; Mr. Jed. Ilotchkiss of Staun- 

 ton ; the Public Library of Cincinnati ; the Brookville Society 

 of Natural History ; Rev. Stephen D. Peet of Chicago ; the 

 State Historical Society of Iowa ; the California Academy of 

 Sciences ; and the Observatorio Nacional Argentino. 



Letters of envoy were received from La Society de Physique 

 et d'Histoire Naturelle de Geneve, Yorkshire Geological and 

 Polytechnic Society (Chevinedge, Halifax, England) ; Cam- 

 bridge Philosophical Society; Engineers' Club (Philadelphia); 

 Virginia Historical Society. 



On motion the latter Society was placed upon the exchange 

 list and ordered to receive the Society's Proceedings from No. 

 96. 



Letters of acknowledgment were received from La Societe 

 de Physique et d'Histoire Naturelle de Geneve (Trans. XVI. i.. 

 Proceedings 109-114) ; Academic Royale Danoise des Sciences 

 et des Lettres, Copenhagen (Trans. XVI. i., Proceedings 113, 

 114); Library of the University of Cambridge (116); Statis- 

 tical Society of London (116); U. S. Geological Survey (117, 

 118); U. S. Surgeon Generars Office (117, 118) ; the Smith- 

 sonian Institution (117, 118); Triibner & Co. (118); London 

 Zoological Society (Proceedings 112, 113, 114, 115, 116; Trans. 

 XVI., i.); Philosophical Society of West Chester (118); Kansas 

 State Historical Society (118); Leander McCormick Observa- 

 tory, University of Virginia (118, 119). 



PliOC. AMER. PHILOS. SOC. XXII. 120. 3C. PRINTED AUGUST 31, 1885. 



