IV 
CONTENTS. 
Thermometer. 18. Braconnot*s method of Dyeing Wool, 
Silk, Cotton and Hemp, a fine Mineral Yellow Colour, ip. 
Ulmine from Wood. 20. Clegg's New Method of pro- 
ducing Coal-Gas. 21, Cadmium. 22. New Ore of Nic- 
kel, - - 382—385 
III. NATURAL HISTORY. 
, Zoology. 23. Notices of Works publishing in Italy on Hu- 
man and Comparative Anatomy. 24. On the Proteus. 25. 
New Fossil Species of Glutton. 26. Occurrence of the 
Sea-Horse (Walrus or Morse, Trichecus rosmarus, Lin.) 
in the Hebrides. 27* Intestinal Worms. 28. White Swal- 
low, - - - 385—391 
Botany, Primitive form of Vegetable Cells. SO. Mag- 
nificent Flower. 31. Uses of Confervas in the Economy 
of Nature. 32. Dr Theodore Frid. Lud. Nies on the 
growth of Musci. 33. Abstract of the general results which 
form the Basis of Gallesio’s Theory of the reproduction 
of Vegetables.” 34. Dr John on Potash in Vegetables, &c. 
35. Cultivation of Tea in Brazil. 36. Effect of Hot Water 
in reviving Flowers. 37 • New Febrifuge Bark, 391 — 395 
Mineralogy. 38. Dr Holland the Discoverer of Native Bo- 
racic Acid. 39* Beudant’s Geological Observations in Hun- 
gary. 40. Gerhard on the Chemical formation of compact 
and granular Strata, and of conglomerated Rocks. 41. 
Charpentier's Geognosy of the Pyrenees, 396, 397 
IV. general science. 
42. New Membrane in the Human Eye. 43. Nearest ap- 
proach to the North Pole. 44. Method of Blowing up Ice. 
45. On the Production of Potash from Potato Stalks. 46. 
Spirits in Glass Jars closed with Bladder, Mode of Im- 
proving Wines. 47* Method of rendering Glass less Brit- 
tle. 48. Humboldt’s Journey into India. 49. Brongniart’s 
Journey. 50. University of Moscow. 51. Birds of Para- 
dise. 52. Translation of Livy and Ovid into the Russian 
Language. 53. Jameson’s Elementary Work on Geognosy. 
54. Wernerian Memoirs. 55. Edinburgh Transactions. 
56. Griffith’s Geological Surveys in Ireland. 57- Mr Watt 
and M. Prony, - - 697 — 401 
Art. XXXV. Patents granted in Scotland since 10th December 
181 9, - - 402 
INDEX 
403 
