CONTENTS. V 



Page. 

 6, 7, 8. Heat produced by the compression of gas — The seat 



of taste — Currents in the ocean, - _ - 180 



9. Sargasso Weeds, - - - - - - - 181 



10, 11. Arrangement of Rocks — Iron manufactured, and coal 



consumed in Wales, _ _ - _ - 182 



12. Importance of the discovery of the curing of Herrings, 183 



CHEMISTRY. 



1, Quantity of carbonic acid in the atmosphere, - - 183 



2, On the mutual action of iodic acid and morphine, - 184 



3, 4. Preparation of Crystallized Iodic acid — On fuming nitric 



acid, --------- 185 



5, 6, 7. On the decomposition of Water — Decomposition of 



Carbonic acid — On crystallizable Acetic acid, - 186 



8, 9. Asparagin — Decomposition of metallic salts, - - 187 



10. The Black Sea, - - 188 



11, 12. Charring of wood at low temperatures — Limits to va- 



porization, ------- 189 



13. Composition of gunpowder, ------ 190 



14. Purple powder of Cassius, - - - - - - 192 



15. 16. Arsenic in sea salt — On chloride of silver, - - 193 

 17,18,19,20. Preparation of bromine and its hydrate — Hy- 

 drate of bromine — New process for obtaining Lithia — 



On powdering phosphorus. - - - - - 194 

 21, 22, 23. Preparation of sugar from starch — Sulphate'of pot- 

 ash and copper — On improvement in black writing ink, 195 



MEDICAL CHEMISTRY. 



1. Tincture of iodine, - - - - - - - 19S 



ADDITIONAL SELECTIONS BY MR. C. U. SHEPARD. 



1, 2. Pinguite, a new argillaceous mineral — Prunnerite, - 197 

 3, 4. New analysis of Brewsterite — Polarizing rocks, - 198 



5. Nitrous atmosphere of Tirhoot, _ _ - . 199 



APPENDIX. 



An account of a large Electro-Magnetic apparatus, made for the 

 Laboratory of Yale College, under the direction of Messrs. 

 Henry and Ten Eyck, of Albany, 201 



NUMBER II. 



Art. I. Remarks on the supposed tides of the North American 



Lakes ; by Major Henry Whiting, - - 205 



II. A Notice of the Salt Springs of Moutiers, in the Ta- 

 rentaise, (Alps,) and of a peculiRr method of evapo- 

 ration ; extracted from the Travels of R. Bakewell, 

 Esq. : Vol. II. p. 220 : London, - - - 219 



