Mines, Gold, of North Carolina, 5 



■=- — Russia, 183 



Mitchill, Dr. S. L. on anew Species of Raja, 290 

 Molte, Count de, his Liberality, 183 

 Morton, Dr. his Cabinet for sale, 400 

 Mosaic Geology, 157 

 Mountains of Himalayah, 384 

 Muriate of Lime, 194 



Needle, no diurnal variation of the, at the equator, 3B7 



Olivine, Prof. Walmstedt on, 378 



Olmsted, Prof, on the Gold Mines of North Carolina, 5 



Oohte Formation of Saratoga County, 16 



Optical structure of Minerals, 384 



OrtWte, 376 



Owen, Mr. his Plans of Education, &c. 161, 383 



Palestine, Prof. Hall on the Minerals of, 337 

 Paris, 202 



■ Linnaean Society of, 154 



Patents, 198 



Patten, Mr. his Air-Pump, Gazometer, and Balance-Beam, 92, o27 



Pebbles from Cape Horn, 48 



Perkins's Steam-Engine, 206 



Pestalozzian System, 163 



Philosophers, Greek and Roman, their Morality, 365 



Phiquepal, Mr. 161, 163 



Phosphate of Lime, 174 



Physiology of the Gyropodium coccineum, 56 



Pierce, Mr. James, on the Floridas, 119 



Pinite, 48 



Plants, Rarer, of Alabama, 74 Marine Fossil, 375 



Porter, Dr. J. Notice of a Rocking Stone, 27 



Potassium and Sodium, 387 



Prague, 184 



Prehnite, Prof. Walmstedt on, 378 



Prussia, Population oi^ 184 



Pyroligneous Acid, 201 



Pyrophorus of Tartrate of Lead, 207 



Pyrophysalite, 21 



Pyrotechny, Dr. Cutbush on, 173 



Quinby, Mr. A. B. on the Overshot Water-Wheel, 304 



High and Low-Pressure Boilers, 313 



the Spiral of Archimedes, 316 



Crank Motion, in Reply, 317 



Rain, in Paris, 194 



increase in the quantity of, 387 



Raja erinaceus, a new species of Fish, 290 



Rhubarb, Sulphate of, 91 



Robinson, Dr. S. his Catalogue of American Minerals, 396 



Rocking Stone in Savoy, Massachusetts, 27 



Rocks, moving, on the phenomena of. Rev. J. Adams, 13G 



■ J. Wood, Esq. 144 



—'—=='——' C. A. Lee, 239 



