254 [March, 1843. 



Description of the Skeleton of the extinct Gigantic Sloth, 

 Mylodon robustus, Owen. By Richard Owen, F.R S., 

 &c. 4to. London, 1842. From the Author. 



Several Charts on a large scale, illustrating the Boundary 

 of the United States and the Republic of Texas, from 

 the mouth of the River Sabine to the Red River, as 

 surveyed and marked conjointly by the Commissioners 

 of the two Governments in the years 1840 and 1841. 

 From Major J. ~D. Graham, U.S. Topographical Engineer. 



VERBAL COMMUNICATIONS. 



Prof. Rogers addressed the Society in relation to the 

 recent Earthquakes, and stated a number of interesting 

 facts connected with this subject, which in due time he 

 proposes to commit to publication. 



BUSINESS BY SPECIAL RESOLUTION. 



Professor Rogers, from the Committee appointed at the 

 last meeting to address a series of inquiries to Messrs. 

 Audubon and Harris, respecting the geology of the western 

 country, on leave granted, submitted a Report embracing 

 seventeen queries. 



The Report was adopted, and ordered to be placed on 

 file. 



