PROCEEDINGS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Vol. I. SEPTEMBER, 1841. No. 6. 



STATED MEETING, September 7, 1841. 



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Vice President Morton in the Chair. 



DONATIONS TO CABINET. 



To the Mineralogical Cabinet. Carbonate Lead, Washington 

 mine, Davidson county, N. Carolina ; Tetredymite, or Tel- 

 luric Bismuth Glance, Scharnowitz, Hungary ; and Tita- 

 niferous Iron. Received by the Curators in exchange. 



Anthracite interstratified with charcoal, from Beaver 

 Meadow, Pennsylvania. Slate with sulphate of lime, 

 Bear-gap. Mineral charcoal with interspersed anthracite, 

 from Beaver, Luzerne County. Stigmaria ficoides, Bear- 

 gap. Anthracitized fossil wood, Nesquehoning. Slate, 

 from bottom of slope No. 5, Beaver Meadow. From Pro- 

 fessor Johnson. 



To the Cabinet of Shells, Cypraa Tigris, C. Arabica, C. his- 

 trio, C. Lynx, Turbinella cornigera, Strombus lentigin- 

 osus, S. auris Dianas, S. pugilis, S. gibberulus, Pterocera 

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