11 . CONTENTS. 



PlfC 



7. Mammoth's Tooth, from St. Francis River 239 



8. Shells south of Lake Erie ibid. 



9. Minerals of the Blue Ridge, &c ibid. 



10. Sulphat of Barytes, SoUthington, Con 240 



11. Scintillating; Limestone, from Vermont.., 241 



12. Beryl, in Haddam, &c 242 



13. Limpid Gj'psum, near Cayuga Lake 243 



14. Amianthus in the anthracite of Rhode Island. . . . Hid. 



15. Red Pyroxene Augite, nei>r Baltimore 244 



BOTANY. 



Art. VI. A List of Plants found in the neighbourhood 

 of Connasarga River, (Cherokee Country) 

 where Springplace is situated ; made by Mrs. 

 Gambold, at the request of the Rev. Elias 

 Cornelius 245 



Art. VII. Description of a new species of AscJepias. 

 By Dr. Eli Ives, Professor, &c. in the Medi- 

 cal Institution of Yale College 252 



Art. VIII. Description of a New Genus of American 

 Grass. Diplocea Barbata, by C. S. Rafin- 

 esqiie, Esq ibid. 



Art. IX. Floral Calendar, &c 254 



ZOOLOGY. 



Art. X. Notes on Herpetology, by Thomas Say, of Phi- 

 ladelphia 256 



PHYSICS AND CHEMISTRY. 



Art. XI. Outline of a Theory of Meteors. By Wm. G. 

 Reynolds, M.D. Middletown Point, New- 

 Jersey 266 



Art. XII. Observations upon the prevailing Currents of 

 Air in the State of Ohio and the Regions of 

 the West, by Caleb Atwater, Esq. of Circle- 



