INDEX. 375 



BecquereU (M.) on the intensity of the electro-dynamic force, 147 

 Bewley, (Mr.) contrivance of, for warming manufactories, 137, 



138 

 Blackburney (Charles, Esq.) rule for clearing thfe lunar distance 



from the effects of parallax and refraction, 117, 118 

 Blow'pipc, supports of substances before, 150, 151 

 Boiling PointSy variation of, 148 

 Books^, (Scientific) Analysis of, 100-108, 294-327 

 Bottles, tubes substituted for, in the preservation of certain fluids^ 



149, 150 

 Boutron-Charlard, (M.) experiments of, on civet, 164, 106 

 Braconnoty (M.) researches into a new acid, universally diffused 



through vegetables, 350-352 ; on the presence of oxalic acid 



in the mineral kingdom, in certain plants, and its advantageous 



preparation, 353-355 

 Brain, microscopical observations on the materials of, 270 

 Brande,{W.T.) outlines of his lectures on geology, 63-92, 184- 



198 

 Brianchon, (M.) on the explosion of fulminating powders, 348, 



349 

 Building Materials, power of, to resist frost, 136, 137 

 Barnet'8, (Dr. Thomas) Theory of the Earth, account of 05, 60 



Cadmium discovered in Ireland, 348 



Calcium, chloride of, used as a manure, 153 



Cambridge observatory, account of the transit instrument at, 268, 

 269 



Capillary attraction, experiment on, 134 



Carbon and iron, combinations of, 154 ; new compounds of car- 

 bon and hydrogen obtained during the decomposition of oil 

 by heat, 273-275 



Carbonate of lime, geological notice of, 82 



Cements (calcareous), observations on, 329-331 



Cerite (titaniferous), a new mineral, discovered, 156 



Chapman, (Mr.) method of, for consuming the smoke of furnaces, 

 <5x., 138,139 



Charcoal, fused, examination of, 151 



Chemical Science, miscellaneous intelligence in, 148-165, BSS'SdO 



Chloride of calcium, use of, as a manure, 153 ; experiments on the 

 chloride of titanium, 156, 157 



Christie, (J.H., Esq.) on the alteration in the magnetism of an 

 iron plate, occasioned by a rotation on its axis, 265-268 ; far- 

 ther experiments of, on this subject, 277, 278 



Chromate, ammoniacal, of copper, production of, 155; and of 

 artificial crystals of chromate of lead, ibid. ; applications of 

 chromate of lead in the arts, 347, 348 



Cinchonia, sulphates of, how prepared, 161, 162 



