iv CONTENTS. 



struum in which they crystallise. IS. Compound for 

 preserving Substances from Humidity. 14. Inconve- 

 niences of the Pressure apparatus for Cooking. 15. Car- 

 bonate of Magnesia. l6. Changes that take place in the 

 texture of different solid substances in the course of time. 

 1 7. Constituent parts" of Magnesian Limestones from the 

 vicinity of Jedburgh, as ascertained by Mr William Cop- 

 land. 18. Analysis of a Powder which is sold in Paris 

 under the name of Colour, and used in giving trinket gold 

 the colour of fine gold, - - , 1 88-190 



MINERALOGY. 



19. Gay-Lussite. 20. Titanium, a general ingredient in Fel- 

 spars and Serpentines. 21. Fluids in Cavities of Mine- 

 rals, - - - - - 191, 192 



GEOLOGY. 



22. Contested passage in Tacitus. 23. Hills formed by Springs. 

 24. On the manner in which Ammoniacal Salts are form- 

 ed in Volcanoes, - - - 192, I93 



ZOOLOGY. 



2.5. Whale killed in the River St Lawrence, 6OO miles from the 

 Sea. 26. On the Siliceous Spiculaof two Zoophytes from 

 Shetland. 27. Histoire Naturelle des Mammiferes. 28. 

 Cows, Horses and Sheep, fed on Fish in Persia. 29. 

 Swiftness of Animals. SO. Foot race on Clapham Com- 

 mon. 31. Insects. 32. Mildew in Barley. 23. Taming 

 Rattle-snakes. 34. Geckoes used for catching Flies. 35. 

 Heart of the Frog used for Poison. 36. Marabous. 37. 

 Irish Elk, - - - - 193-199 



BOTANY. 



38. Pluvial Trees. 39. Sensitive Tree. 40. Poisoning of 



Plants. 41. Leguminosse, - - 200, 201 



ARTS. 



42. On the liability of English Silks and Cottons to become 



faded; and on the superiority of the Silks of France, and 

 the Cottons of India in that respect, - - 203 



COMMERCE. 



43. Fisheries of Newfoundland and Labrador, - 205 



Art. XXXI. List of Patents sealed in England from 4th Fe- 

 bruary to 8th May 1826, - - 205 

 XXXII. List of Patents granted in Scotland from 20th 



March to 26th May 1826, - - 208 



