194 [July, 1842. 



STATED MEETING, July 19, 1842. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



A specimen of Infusorial Earth, from a stratum varying from 

 12 to 15 feet in thickness, found in the hills near Richmond, 

 Virginia. This material lies between the Eocene and Meio- 

 cene Tertiary strata ; and spreads over an area of several 

 miles. Presented by Professor Wm. B. Rogers of Virginia. 



DONATIONS TO LIBRARY. 



Continuation of the Copper plates of Haldeman's Limniades; 

 Lymnasa plates, Nos. 12 to 15. Presented by the Author. 



Histoire Naturelle de ITsle de Cuba. Par M. Ramond de la 

 Sagra. Liv. 30th and 31st. Presented by J. Price Weth- 

 erill, J. S. Phillips, S. G. Morton, M. D., A. L. Elwyn, M. D., 

 W. S. Vaux, J. A. Clay, and Geo. C. Leib, M. D. 



WRITTEN COMMUNICATIONS. 



The Chairman read two letters from M. Henry Galiotti, 

 dated Brussels, Dec. 27, 1840, and Feb. 24, 1842, tendering 

 his services in adding to the collections of the Society in the 

 different departments of Natural History ; and soliciting ex- 

 changes from the Academy, and from the members indivi- 

 dually ; and also announcing that he had forwarded for the 

 Society several of his works. 



By permission of the Academy, Professor H. D. Rogers, 

 from the committee appointed in May last to draft a series of 



