Scientific and General Memoranda. 381 



ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. 

 Officers for the Year 1832, elected 27th Dec. 1831. 



President, William McClure. 



Vice Presidents, George Ord, William Hembel. 



Corresponding Secretary, S. G. Morton, M. D. 



Recording Secretary, T. McEuen, M. D. 



Treasurer, G. W. Carpenter. 



Librarian, C. Pickering, M. D. 



Curators, 3. P. Wetlierill, T. McEuen, M. D., S. G. Morton, M. D., 

 C. A. Poulson. 



Auditors, C. Hedelius, W. Morris, Jr., P. B. Goddard. 



Publication Committee, S. G. Morton, M. D., C. Pickering, M. D., T. 

 McEuen, M. D„ C. A. Poulson. 



AMERICAN PHILOSOPHICAL SOCIETY. 

 Officers for the Year 1632, elected January 6, 1832 

 President, P. S. Duponceau. 



Vice Presidents, N. Chapman, J. Hopkinson, Geo. Ord. 

 Secretaries, F. Bache, C. C. Biddle, J. Kane, W. H. Keating 

 Counsellors, W. Rawle, W. Hembel, R. Hare, M. D., C. D. Meigs, M. D., 

 Mease. 



Curators, J. P. Wetherill, R. Griffith, J. Lea. 

 Treasurer, J. Vaughan. 



SCIENTIFIC AND GENERAL MEMORANDA. 



Limestone Caves in Schoharie, State of New York. — Some of 

 those extensive and irregular cavities, which are so conspicuous 

 in the carboniferous limestone of the United States, and of a few 

 of which — situated in the Helderberg hills, near Albany — de- 

 scriptions have been given, have been lately explored in the con- 

 tinuation of the same chain, near the village of Schoharie. Mr. 

 John Gebhard, with some enterprising mineralogical friends, 

 visited, in September last, one of those interesting natural phe- 

 nomena. Mr. Hubbard was let down one, a perpendicular fissure, 

 about ten feet long, and six feet broad, a distance of about seven- 

 ty-five feet, where the descent declined to the south, and where 

 he awaited the arrival of Mr. Branch. They followed this new 

 direction at an angle of about sixty degrees, for about fifty-five 

 feet, when the descent became again perpendicular, for fifteen 

 feet. Overcoming this, and resuming the preceding direction for 



