1851.] 323 



ELECTION. 



Robert A. Caldcleugb, Esq., of Philadelphia, was elected a Mcmlcr 

 of the Academy. 



December 2d. 

 Vice-President Bridges in the Chair. 



Letters were read : 



From Dr. E. K. Kane, acknowledging the receipt of a copy of the 

 resolution of thanks to him, adopted at a late meeting of the Academy, 

 and stating his intention to make also a donation of a small collection of 

 plants from a high Northern latitude, (76 15'.) 



From the Royal Academy of Sciences of Stockholm, dated November, 

 1849, and October, 1850, acknowledging the receipt of several numbers 

 of the Proceedings and Journal of this Academy. 



From the same, of same dates, transmitting the Transactions of the 

 Academy, Parts 1 and 2 for 1848, and of the Bulletin for 1849, and also 

 a medallion in copper of the late Jacob Berzelius. 



From the Royal Academy of Sciences of Madrid, transmitting Part 1, 

 Vol. 1, third series of its Memoirs, and a Resume of its transactions for 

 the years 1848-49. Also inviting experimental essays on the subject 

 of Nitrification for a Concours, and announcing that prizes would be 

 awarded for the best essays. 



December 9th. 

 Vice-President Wetherill in the Chair. 



Communications were read from : 



Mrs. Emily Taylor, dated Philadelphia, December 6th, 1851, return- 

 ing acknowledgments for the Resolution adopted by the Academy, con- 

 ferring the right of endorsing tickets of admission to the Museum. 



And from Mrs. Rebecca Morton, dated Philadelphia, Dec. 8th, 1851, 

 returning thanks for copies of Dr. Meigs' Memoir of the late Dr. Morton, 

 presented to her by the Academy. 



Dr. David Dale Owen read a paper intended for publication in the 

 Journal, entitled '' Description of a new Mineral and a new Earth." 

 Referred to a Committee, consisting of Mr. Vaux, Dr. C. M. Wetherill, 

 and Dr. McEuen. 



Professor Horner read a history of some cases of Articular Inflamma- 

 tion of the Knee, treated successfully with Urate of Ammonia. Referred 

 to Dr. Leidy, Dr. Hallowell, and Dr. Rand. 



Professor Horner introduced to the Society Monseigneur Demers, 

 Bishop of Vancouver, who gave much interesting information respecting 

 the habits, language, and traditions of the Indian Tribes of Oregon, forty- 

 one of which, out of seventy-one, had been visited by him. He also of- 

 fered the hospitalities of the Mission to which he was attached, to such 



42 



