1866.] 209 [Blackwell. 



New Haven, April 2d, 1866, and the American Pharmaceuti- 

 cal Association, Philadelphia, March 1st, 1866. 



A letter requesting the supply of deficiencies was received 

 from the Royal Society of Edinburgh, November 1st, 1865. 



A letter establishing correspondence was received from the 

 Maine Historical Society, March 20th, 1866. 



A letter requesting exchanges was received from the Mu- 

 seum of Comparative Zoology at Cambridge, March 27th, 

 1866. On motion, the request was referred to the Publica- 

 tion Committee, with power to take order. 



Donations for the Library were received from the Economi- 

 cal Society, Konigsberg ; Physical and Geological Societies, 

 Berlin; Royal Saxon Society ; Geological Institute, Vienna ; 

 Societies at Gottingen, Wiesbaden, Frankfurt, St. Gallen, 

 and Lausanne ; Frederick Muller, at Amsterdam; the Impe- 

 rial Observatory at Paris; the Royal Institution of Great 

 Britain and Ireland ; the Geographical, Chemical, and Zool- 

 ogical Societies, and Society of Arts, at London ; the Royal 

 Observatory, Greenwich ; Royal Society, Edinburgh ; Royal 

 Irish Academy; Quarterly Journal of Science, Dublin; 

 Royal Society of Victoria, at Melbourne ; the Essex Insti- 

 tute and Boston Society, New Hampshire ; Public Library 

 at New Bedford ; American Oriental Society, Bureau of 

 Mines, New York ; Franklin Institute, Mercantile Library 

 Company, and American Pharmaceutical Society, at Phila- 

 delphia ; Library Associations at Cincinnati and San Fran- 

 cisco, and the Coast Survey Office at Washington. 



The Committee on Mr, Blackwell's memoir, entitled " The 

 Hydrology of the St. Lawrence," made their report, which 

 was adopted, and the memoir ordered to be printed in the 

 Transactions. 



A paper was offered for publication in the Proceedings, 

 entitled "Sophocles," by Ch. W. Zaremba, M.D., St. Joseph, 

 Michigan, which, on motion, was referred to the Secretaries 

 with power to act. 



A map Avas offered for publication in the Transactions, en- 

 titled " A map to illustrate five topographical types of earth- 

 surface between Cincinnati and the sea," by J. P. Lesley, 



