CONTENTS. 



III. Natural History. 



Page 



1. Effects of the Sulphurets of 

 Arsenic, &c. on the Animal 

 System ...... 198 



2. Decomposition of corrosive Sub- 

 limate by Vegetable Bodies ib. 



3. Poisoning by Acetate of Mor- 

 phia, and Recovery . . ib. 



4. Adulteration of Bread by Sul- 



phate of Copper .... ib. 



5. Rosacic Acid in Human Urine 199 



6. Leech Bites ib. 



7. On the preparation of Food 



from Bones 200 



8. Process for preserving Milk for 

 any length of Time . . . 203 



9. Theory of Phrenology . . ib. 



10. Phosphorescence of the Sea . ib. 



11. Wild Pigeons in North America ib. 



12. Changes in Animals in South 

 America 204 



13. Natural History of the Mole 205 



14. On the Red Snow of the Arctic 



Regions 206 



15. On the Nemazoaires of M. Gail- 



Ion 207 



Page 



16. Gathering of Medicinal Roots 208 



17. Drying of Plants .... 208 



18. Myrrh 209 



19. On the different Genera and 



Species confounded with Cin- 

 chona 210 



20. On the Duration of the Germi- 

 native Power of the Seeds of 

 Plants . . . . . .211 



21. Influence of Chemical Solutions 



on Plants ... .212 



22. Terrestrial Magnetism . . ib. 



23. Destruction of the Caves in 



Franconia . . . . .213 



24. Storms in the Department of 

 theLoiret 214 



25. Peculiar Phenomena of Hu- 

 midity 215 



26. Meteorology ..... ib. 



27. Decomposition of Rocks . . 216 



28. Swedish Iron ib. 



29. Commerce of the Sandwich 



Isles, in 1828 .... ib. 



30. Fortifications attributed to the 

 Indians in North America . 217 



Meteorological Table for June, July, and August 



218 



