conducted by Benjamin Silliman

“ This is plainly impossible, unless every article should be very short and imperfect. All that the Public are entitled to expect is, that in the progress of the Journal, the various subjects mentioned may occupy such an extent as our communications and resources shall permit. ”

“ The Editor will not hold himself responsible for the sentiments and opinions advanced by his correspondents : he will consider it as an allowed liberty to make slight verbal alterations, where errors may be presumed to have arisen from inadvertency. ”

“ XII. Notice of Eaton's Index to the Geology of the Northern States, &c. 69 Art. XIII. Notice of M. Brongniart on Organized Remains. 71 BOTANY. Art. XIV. Observations on a species of Limosella, by Professor E. Ives. 74 Art. XV. Notice of Professor Bigelow's Memoir on the Floral Calendar of the United States, &c. 76 Art. XVI. Journal of the Progress of Vegetation, &c. by C. S. Rafinesque, Esq. 77 ZOOLOGY. Art. XVII. Description of a new Species of Marten, by C. S. Rafinesque, Esq. 82 Art. XVIII. Natural History of the Copper-Head Snake, by the same. 84 PHYSICS AND CHEMISTRY. Art. ”

“ Elias Cornelius. 317 Art. II. On the Origin of Prairies.By Mr. R. W. Wells. 331 Art. III. Sketch of the Mineralogy and Geology of the Vicinity of Williams' College, Williamstown, Mass. By Professor Dewey, of Williams' College, in a letter to the Editor. 337 Art. IV. On the Tourmalines and other Minerals found at Chesterfield and Goshen, Massachusetts, by Col. George Gibbs. 346 Art. V. Observations on the Minerals connected with the Gneiss range of Litchfield county, by Mr. ”