416 INDEX. 



gulav impression in sand stone, 155 — of ores of iron and mang'anese in Ver- 

 mont, 249 — of a mineralized tree, 251 — of magnetic effects produced by 

 the Calorimotor, 357-^of mineral localities, 402 — of two quarries of stone 

 in Lower Canada, 406 

 Nuttall, Thomas, Mr. his remarks on the minerals of Patterson and Sparta, 

 New-Jersey, 239 — his catalogue of plants from East Florida, 286 



O. 



Obituary of Prof. Tisher, 367 



Ocean, natural history of, 128 



Oil stone of LakeMemphremagog, 406 



Olmstead, Denison, Prof, his discriptive catalogue of minerals, 257 



Optical trap, 200 



Orangeries, 190 



Ordinaire, J. J. his method of teaching Latin, 182 



Ore, iron, 20— lead, 21 



Orientals, their style, 181 



Original letters of Doctor Franklin, 157 



Orr, Isaac, Mr. on infinites, 326 



Outline of the mineralogy and geology of Malbay, 205 



P. 



Padua, 177 



Paris, Linnean Society of, 382 — Tract Society of, 383 — conservatory of arts 



and trades of, 383 

 Parke's Chemical Catechism, new edition of, 398 

 Pavia, 177 

 Pereival, James G. Doctor, his notice of the locality of sulphate of barytes, 



in Berlin, 42 

 Petersburg!!, St. libraries of, 177 

 Physiology, 185 

 Pierce, James, Mr. on Uie geology and mineralogy of the Highlands, 26 — 



catalogue of his minerals, 265 

 Plants, catalogue of, 286 

 Poems; geological, 272 

 Polypes, a group of, 46 

 Porcelain, enamel for, 189 



Porter, J . Doctor, list of his minerals from Plainfield, 270 

 Porter, T. D. Doctor, his specimens of Zircon, 271 

 Pressure of the atmosphere, 174 

 Prices of some minerals in London, 169 

 Printing press for the blind, 385 

 Pyroligneous acid, 188 

 Pyroxene, analysis of, 115 and 344 



Q- 



Quartz, a soft crystal of, 394 



R. 



Relation of a case of suspended animation by drowning, 125 



Remarkable diamond, 175 



Remarks on the prints of human feet in liraesto&e, 223 — on the minerals of 



