PROCEEDINGS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Vol. I. DECEMBER, 1S41. No. 9. 



STATED MEETING, November 7, 1S41. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



Two species of Fossil Scufellse, from the lower cretaceous 

 deposits west of Charleston, S. Carolina, viz : S. Carolinen- 

 sis and S. macroptera. From Dr. Ravenel. 



Productus in Limestone, (being a fragment of the celebrated 

 rock containing the impressions of two human feet, now 

 in the possession of Dr. Owen, of New Harmony, Indiana ;) 

 section of a Fossil Palm tree ; and argillaceous limestone 

 with vegetable impressions, from Posey county, Indiana. 

 All presented by Win. Augustus Twigg, Esq. 



Iron ore, from the Pilot knob, Missouri. From the same. 



Cytherea chione. Helix pisana, H. vermiculata, Unio picto- 

 rum, Natica nullepunctata, a Cardita and a Melanopsis ; 



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