1S48.] 73 



July nth, 1848. 

 Dr. Bridges in the Chair. 



Letters were read from : — 



Dr. Theodore Cantor, of the Bengal Medical Service, dated Fort 

 William, January 8th, 1848, presenting copies of his publications on 

 subjects of Natural History in India. 



From Prof. A. D. Bache, Superintendant of United States Coast 

 Survey, dated Washington, June 15th, 1848, accompanying a donation 

 from the Treasury Department of Maps of Edgartown, Black Rock, 

 and Bridgeport Harbors. 



From Dr. Joseph Leidy, Chairman of the Curators of this Institu- 

 tion, dated London, May 30th, 1848, announcing numerous donations 

 to the Society, from various European Societies, distinguished na- 

 turalists and other sources, and among them a valuable series of casts 

 of fossils from the Sivalik Hills, to be presented by the Hon. East India 

 Company. 



From Dr. Thomas Horsfield, Curator of the East India Company's 

 Museum, dated East India House, June 22d, 1848, announcing that he 

 had shipped for the Academy, the collection of casts of India fossils, 

 (referred to in Dr. Leidy's letter,) together w^ith a cast of the cranium 

 of Sivatherium giganteum, from the original in the British Museum, 

 presented by himself; also several numbers of his splendid work on the 

 plants of Java, &c. 



And a letter from the Secretary of the Court of Directors of the 

 Hon. East India Company, dated June 8th, 1848, announcing the pre- 

 sentation to the Society, of the collection of casts of fossils above 

 referred to, and enclosing a list of the same. 



A letter was also read from the Secretary of the Geological Society 

 of London, dated June 1st, 1848, acknowledging the receipt of a copy 

 of No. 1, Vol. 1, New Series, of the Journal of the Academy, and of 

 several numbers of its Proceedings. 



July 25M, 1848. 

 Dr. Bridges in the Chair. 



Communications were read from the Recording and Corresponding 

 Secretaries, resigning their respective offices, the latter in consequence 

 of his removal from Philadelphia. The resignations were accepted, 

 and the following resolutions unanimously adopted : 



Resolved, That the thanks of this Society be, and they are hereby 

 tendered, to Prof. Walter R, Johnson, for his iaithful discharge of the 

 duties of Corresponding Secretary, during the several years that he has 

 been the incumbent of that office. 



PROCEEn. ACAD. NAT. SCI. OF I'lIII.ADELPHIA. — VOL. IV, NO. IV. 11 



