Art. XVII. On the Comparative Quantity of Nutritious Matter which may be obtained from an Acre of Land when cultivated with Potatoes or Wheat, by Dr. Eli Ives, Professor of Materia Medica and Botany in Yale College 297 MISCELLANEOUS. Art. XVIII. Biographical Notice of the late Archibald Bruce, M. D. Professor of Materia Medica and Mineralogy in the Medical Institution of the State of New-York, and Queen's College, New-Jersey; and Member of various Learned Societies in America and Europe 299 INTELLIGENCE. Art. XIX. 1. Dr. J. W. Webster's Lectures 304 2. Dr. Webster's Cabinet 305 3. Supposed identity of Copal and Amber 306 4. The Necronite.--(A supposed new mineral.) _ibid._ 5. Preservation of dead Bodies 307 6. Matches kindling without fire 308 7. Cleaveland's Mineralogy _ibid._ 8. A new Alkali 309 9. Ignited Platinum Wire _ibid._ 10. Red Rain _ibid._ 11. Gnephalium 310 12. Augite _ibid._ 13. A New Vegetable Alkali _ibid._ 14. New Minerals _ibid._ 15. New Metal _ibid._ 16. Pure Alumine _ibid._ 17. Collections of American Minerals _ibid._ 18. C. S. Rafinesque, Esq. 311 19. Medical College of Ohio _ibid._ 20. Notes on Ohio _ibid._ 21. Discovery of American Tungsten and Tellurium 312 22. Mr. Sheldon's application of Chesnut Wood to the arts of Tanning and dying _ibid._ 23. Additional note concerning the Tungsten and Tellurium 316 THE _AMERICAN_ JOURNAL OF SCIENCE, &c. _GEOLOGY, MINERALOGY, TOPOGRAPHY, &c._ ART. I. _Hints on some of the Outlines of Geological Arrangement, with particular Reference to the System of Werner, in a letter to the Editor, from_ WILLIAM MACLURE, _Esq. dated Paris, 22d August, 1818_. INTRODUCTORY REMARKS.