IV CONTENTS. 



XVIII. Caricography • by Prof. C. Dewey, - - - - 140 

 XIX. Observations on Combustion, and the powers concerned 



in that process ; by Samuel Morey, - - - 146 



XX. Life of Linnosus; by A. L. A. Fee, - _ - - I5i 



XXI. Geological Observations upon Alabama, Georgia and 



Florida; by Charles U. Shejpard, - - - - 162 



XXII. Miscellaneous Notices respecting Cholera, - - 174 



miscellanies — foreign and domestic. 



1. Death of Scarpa, - - - -- - .- 184 



2. Death of Oriani, 186 



3. Experiments and Observations on the Torpedo, - - 187 



4. Moynton prizes, --_____. 189 



5. 6. Medals founded by Lalande — Natural philosophy, - 190 



7. Astronomy, - - - - - - - - -191 



PHYSICS. 



8. New property of elementary electromotors, - - - 193 



9. 10. Magnetic experiments — Phenomenon presented by the 



breaking of a Prince Rupert's drop, - - - - 194 



PHYSICAL GEOGRAPHY. 



11. Spouting fountain of mineral water, - - - - 194 



12. Descent in diving bells, ------- 196 



13. 14, 15. The Georgics — Epidemics in Paris — Permanence of 



letters written upon a metallic surface after its fusion, - 197 



meteorology. 



16. Use of the barometer at sea, --.--_ 195 



MINERALOGY. 



17. Marine shells in the coal formation, - - - - 199 



18. Notices of some of the volcanos and volcanic phenomena of 



Hawaii, (Owyhee,) and other islands in that group, - 199 



19. On the tendency of iron to preserve copper exposed to sea 



water, 203 



20. Prize offered by the Imperial Academy of Sciences of St. 



Petersburg, -.----._ 205 



21. Dr. Young's Elements of Geometry, &c. - - - . 2O6 



22. On the Cashmere-Angora Shawl Goat, - - _ _ 2O8 



23. 24. Meteorological Journal — Transactions of the Literary 



and Historical Society of Quebec, - - - - 211 



