€ONTENTS. xi 
37, 38. Alcohol—Rapidity of the Circulation of the ss "388 
39, 40, 41. Remarkable phenomenon in a medicinal com 
c 
ize of the grains of native plati 9 
42, 43, 44, 45. Observations on the evaporation of ice 
Swiftness of Sound—On the colored flame of Al- 
cohol—Electricity of the Tourmaline 390 
46,47. New method of preserving crystallized enti 
rsion of potatoe flour into nutritious bread, 391 
48. Means of detecting the purity of —— of potash, 352 
49. Decoloring action of Charcoal, 393 
50, 51. Man ufac ctory of diamonds—Leeches 394 
52, 53 54, 55, 56. Chloride of lime in reotaccdpon furna- 
ces in England and Scotland—New process for ob- 
taining gallic acid—Action of iodine on proto- 
chloride of mercury—New method of | ta 
t utoxide of barium, 
57. Ett oe of albumen by phosphoric atid, 306 
58, 59, 60,61. New fulminating powder—New compounds 
of : og and potash—Marine salt—Delicate test of 
in a gaseous ae 
. 62, Dplice seanamaaate, - 398 
43, 64. Corrosive piblinsle,- tometer spider, - 399 
65. Obituary of Dr. John Gorham - 400 
