488 



[Sept. 20, 



A fine photograph of the great ehn tree on the " Dundas 

 Estate," north-east corner of Broad and Walnut streets, said to 

 be the oldest tree in the city, was presented by Miss Emily 

 Phillips, 



The Committees on Codex Poinsett and on Centennial Cele- 

 bration reported progress, and were continued indefinitely. 



The decease of the following members was announced to 

 the Society : 



Miss Maria Mitchell, b. Aug. 1, 1818, d. June 28, 1889, 

 Poughkeepsie, N. Y. 



M. Louis G, DeKoninck, Liege, Belgium. 

 . Eev. Theodore Dwight Woolsey, b. Oct. 31, 1801, d. July 

 1, 1889, President of Yale College, New Haven, Conn. 



Prof. Ehas Loom is, b. 1811, d. Aug. 15, 1889, New Haven, 

 Conn. 



Prof. Osborn presented for the Transactions a paper on the 

 *' Evolution of the Ungulate Foot," which was referred to a 

 committee to be appointed by the President, to examine and 

 report upon. The President subsequently appointed Messrs, 

 Brinton, Phillips and Horn as such Committee. 



Mr. Phillips stated that the Physa heterostropha, whose re- 

 appearance he had mentioned to the Society on April 5, 1889, 

 had disappeared in the first week of June, at about the same 

 period as last year. 



Pending nomination No. 1181 was read. 



And the Society was adjourned by the ju'esiding member. 



/Stated Meeting/, September 20, 1SS9. 



Present, 2 members. 



Dr. Horn in the Chair. 



The following correspondence was submitted : A letter 

 from the Canadian Institute, Toronto, Canada, dated Sept. 5, 

 1889, accepting the Society's invitation to an International 

 Congress for the purpose of forming a universal language. 



