CONTENTS. 



Page 

 MINERALOGY AND GEOLOGY. 



Art. I. Remarks on the Geology and Mineralogy of a 

 section of Massachusetts, on Connecticut 

 river, with a part of New-Hampshire and 

 Vermont, by Edward Hitchcock, A.M. Prin- 

 cipal of Deerfield Academy 106 



Art. II. On the Prairies and Barrens of the West, by 



Caleb Atwater, Esq 116 



Art. III. Account of the Coal Mines in the vicinity of 

 Richmond, Virginia, by Mr. John G rammer, 

 Jun 125 



Art IV. Sketch of the Geology and Mineralogy of a 

 part of the State of Indiana, by Mr. W. B. 

 Stilson 131 



Art. V. New localities of Agate, Chalcedony, Chahasie, 



Stilbite, Analcime, Titanium, Prehnite, &c. 134 



Art. VI. Account of the Strata perforated by, and of 

 the Minerals found in, the great adit to the 

 Southampton Lead Mine, by Mr. Amos Eaton, 

 Lecturer on Geology, Botany, &c. . . . 136 



Art VII. On the Peat of Dutchess County, by the Rev. 



F. C. Schaeffer 139 



Art. VIII. Notices of Geology in the West-Indies, by 



Dr. Nugent 140 



Art. IX. Discovery of Native Crystallized Carbonate of 

 Magnesia on Staten- Island, with a Notice of 

 its Geology, by James Pierce, Esq. . . . 142 



Art. X, On a curious substance found with the native 

 Nitre of Kentucky and of Africa, by Samuel 

 Brown, M.D 146 



BOTANY. 



Art XI. Description of species of Sponges observed on 

 the shores of Long-Island, by C. S. Rafi- 



nesque, Esq. 149 



A 



