September, 1846.] 99 



Stated Meeting, September 22, 1846. 

 Vice President Wetherill in the Chair. 



DONATIONS TO MUSEUM. 



Specimens of Unio bullatus, U. quadrulus, U. plicatus, U. 

 globulus, U. lugubris, Say, U. Nashvillianus, U. parvus, 

 Anadonta subglobosa, Paludina vivipara, and P. integra; 

 from Lake Concordia, and Ouichita river, Louisiana ; also 

 Limonites from the Natchez Bluffs. Presented by Dr. 

 Dickeson. 



Letters were read : 



From the Secretary of the Royal Society of Agriculture, &c, 

 of Lyons, dated 20th June, 1846, presenting to the Academy 

 eight volumes of its Annals, and requesting in exchange the 

 publications of this Society. 



From the agent of the Lyons Society, dated New York, 

 September, 1846, announcing that the volumes referred to 

 had been received by him, and awaited the order of the 

 Academy. 



From Dr. Charles Huffnagle, of Calcutta, addressed to Dr. 

 Morton, announcing that he had transmitted for deposit in 

 the Academy, a large number of specimens of Natural His- 

 tory from India. 



From Mr. C. P. Wickersham, dated Kennett Square, 

 Chester county, Pennsylvania, September 15, 1846, addressed 

 to the Curators, offering to present to the Academy a large 

 slab of sandstone, from the Portland quarries, near Middle- 

 town, Connecticut, containing impressions supposed to be of 

 the kind called Ornithoidichnites. 



