84 [October 



A communication was presented from Dr. E,. W. Gibbes, of Colum- 

 bia, South Carolina, entitled "Monograph of the Fossil SqualidtE of the 

 United States, continued," which was referred to the Committee on 

 the former portion of the memoir. 



Mr. Cassin read a paper describing a new Tanager from the Rio 

 Negro, {Tancii^ra nigro-aurita,) which was referred to a Committee 

 consisting of Drs. Wilson, Gambel and Bridges. 



On leave granted, the Committee to whom was referred Mr. Henry 

 C. Lea's catalogue of Tertiary Fossils of the U. S., reported in favour 

 of publication in the Proceedings. 



October 10th, 1848. 



Vice President Morton in the Chair. 



A communication was read from Prof. Walter R. Johnson, Secretary 

 of the American Association for the advancement of Science, dated 

 Philadelphia, September 25th, 1848, returning the acknowledgements 

 of that body for " the liberal and handsome manner in which the 

 numerous and splendid collections of the Academy were offered for 

 the inspection of the members." 



A letter was read from Francis S. Holmes, Esq., of Charleston, S. C, 

 dated October 2d, 1848, acknowledging the receipt of his notice of 

 election as a Correspondent. 



Also a letter from Mr. George B. Allinson, dated October 3d, 1848, 

 acompanying his donation of minerals, this evening announced. 



October 17M, 1848. 



Mr. Vaux in the Chair. 



Letters were read : — 



From the Secretary of the Lyceum of Natural History of New York, 

 dated October lOth, 1848, acknowledging the receipt of Nos, 1 and 2, 

 New Series of Journal of the Academy : — 



From Dr. Bennet Dowler, dated New Orleans, October 3d, 1848, 

 and from Dr. R. M. S. Jackson, dated Blairsville, Pennsylvania, Oc- 

 tober 7th, 1848, severally acknowledging the receipt of their notices 

 of election as Correspondents: — 



From John A. Grecx, dated New York, October 15, 1848, announc- 

 ing that he had forwarded for this Society recent Nos. of the Annals of 

 the Royal Agricultural Society of Lyons. 



October 2Uh, 1848. 



Dr. Bridges in the Chair. 



A letter was read from Mr. B. M. Norman, of New Orleans, dated 

 October 6th, 1848, announcing the late decease of Dr. William M. 



