CONTENTS. 



VU 



20. Mutual action of Iodic Acid 

 and Morphia ib. 



21. On crystallized Acetic Acid 423 



22. Pollen of Cedar ib. 



23. Production of Formic Acid 424 



24. On a new Acid contained in 



the Urine of Herbivorous 

 Animals ib. 



25. On the Decomposition of 



Urea and Uric Acid, at 

 high Temperatures ....... 426 



26. Bromide of Carbon 429 



27. Anhydrous Subcarbonate of 

 Ammonia 430 



28. Manufacture of Bicarbonate 



of Soda ib. 



29. Separation of Strontia from 

 Baryta 431 



30. Sulphate of Potash and 

 Copper «i. 



31. Preparation of Ciiuiabarin 



the humid way ib. 



32. Action of Platina on Silver. 432 



III.— Natural History. 



Page 



1. Proportion between the Ner- 



vous System and other parts 432 



2. Sense of Touch ib. 



3. Paralysis of one half the 

 Body without loss of Motion ib. 



4. Spontaneous Combustion of 

 both Hands 433 



5. Use of Belladona in cases 



of Frontal Neuralgia ..... 434 



6. Communication of Hydro- 

 phobia 435 



7. On the Developement and 



Growth of Cantharides. . . . 436 



8. Effect of Light on Plants . . 437 



P«go 



9. On the size of the Pear and 

 other Fruits ib. 



10. On the Structure of the 

 Cellular Tissue of the Pith 

 and Bark of the Cereus 

 Peruvianus, and the Exist- 

 ence therein of Prismatic 

 Crystals of Oxalate of Lime 438 



11. Russian Diamond Mines... 439 



12. On the Nature of Earths 

 which, without cultivation 

 or manure, are more or less 

 favourable to the Nourish- 

 ment and Growth of Plants 440 



