516 PROCEEDINGS OP THE ACADEMY OF 



a stream of mercury. He also exhibited the original experiment made by Dr. 

 Hare several years since, when Dr. Rogers was his assistant, and explained 

 the difference between them as consisting in the one light being formed by 

 a self-sustaining battery, and the other by a battery transient in its effects. 



Dr. Leidy read a letter from Mr. Robert D. Owen, of New Harmony, 

 announcing the death, on the 13th inst., of Dr. David Dale Owen, late 

 a Correspondent of the Academy. 



On motion of Dr. Rogers, the Secretary was directed to communicate 

 to the immediate relatives of Dr. Owen the regret of the Academy at 

 its loss. 



On motion of Dr. Rand, the thanks of the Academy were presented 

 to Messrs. Van Amburg & Co. for donations to the Museum, and the 

 privilege of giving orders of admission to the Museum on public days 

 was granted to the same. 



Nov. 22d 



Special Meeting. 



Mr. Lea, President, in the Chair. 



The President announced the decease of our respected Vise-Presi- 

 dent, Major Le Conte, on the 21st inst., and stated the object of the 

 meeting to be to express the sense of the Academy at its loss. After 

 a short review of the character and labors of Major Le Conte, by Dr. 

 Fisher, Dr. Elwyn, Mr. Foulke and Mr. Lea, Dr. Fisher offered the 

 following resolutions, which were unanimously adopted : 



Resolved, That the Academy has heard with the deepest regret of the death 

 of our late esteemed Vice-President, Maj. John Le Conte, who has for so many 

 years adorned the ranks of the students of Natural Science in America, and 

 who at the time of his decease was one of the oldest naturalists in our country. 



Resolved, That Mr. John Cassin be requested to prepare a biographical notice 

 of Maj. Le Conte. 



Resolved, That the Secretary be instructed to send to the family of our de- 

 ceased Vice-President a copy of these resolutions, and that they be published 

 in the daily journals of this city. 



Resolved, That the members of the Academy will meet at the Hall of the 

 Academy at 10 o'clock, A. M., on Saturday the 24th inst., to proceed from 

 thence to attend the funeral of the deceased. 



Nov. 27th. 

 Vice-President Bridges in the Chair. 



Thirty members present. 



The following papers were, on report of their respective Committees, 

 ordered to be published in the Proceedings : 



[Nov. 



