conducted by Benjamin Silliman

“ B. L. Oliver on priority of medical use of the Prussic Acid 182 Cases illustrating the medical effects of the Prussic Acid 187 Dr. F. Magendie on Absorption 288 Professor E. D. Smith on Calculous Affections (posthumous) 300 MECHANICS AND ARTS, CHEMISTRY AND PHYSICS. Upon the fusion of various bodies by Hare's Blowpipe — from the Annals of Chemistry, .&;c. with remarks by the Editor 87 —————— new mode of forming water 91 Professor Green on instantaneous crystalization 93 Mr. S. Morey on Mineral Waters, &c. ”

“ Dr. John Locke on the manufacture of Copperas in Vermont 326 Remarks on some points of modern Chemical theory, with a notice of Professor Gorham's Elements of Chemistry 330 Miscellaneous chemical notices 341 Liability of barns to be struck by lightning 345 Jacob Perkins, Esq. on the compressibility of water 347 Notice of Mr. Perkins' invention of engraving on steel 353 Tests for Arsenic 354 AGRICULTURE. Dr. Eli Ives on spring pasture 355 INTELLIGENCE AND MISCELLANIES. I. Domestic. 1. Archæologia Americana, notice of 357 2. American Geological Society 360 3. Remarks on the study of Geology. 4. ”

“ Egypt. 27. Temple of Jupiter Ammon. 28. Comforts of travelling in Finland. 378 29. Monument of Pultova. 30. Biography of Linneus 31. Jurisprudence in Switzerland. 379 32. Education of the Poor. 33. Medicine. ”