o 



jy CONTENTS. 



Page 



Dr. Wohler on a peculiar Class of Combinations 131 



Mr. Gray on some Species of Shells not taken Notice of by Lamarck 134 



Mr. L^vy on a new Mineral 140 



Proceedings of the Royal Society 14 



____^— ^— — Astronomical Society 143 



. . — Geological Society 149 



Analysis of the Boletus Sulphureus 150 



Compound of Muriate and Hydrosuiphuret of Oxidule of Antimony 131 



Composition of White Precipitate 151 



Boron, its Preparation 152 



Action of Alum on Vegetable Blue Colours 152 



Preparation of Lithia • 15*5 



On Sulpho-iodide of Antimony 152 



Yenite found in the United States 163 



Localities of rare Minerals 153 



English Locality of Metallic Lead 1 54 



On the mutual Action of two Magnetic Particles in different Bodies 154 



Hydrophobia 155 



Temperature of the Maximum Density of Water 1 55 



Method of accelerating the Distillation of Liquids 157 



New Patents 158 



Mr. Howard's Meteorological Journal 159 



NUMBER IIL— MARCH. 

 Mr. Colquhoun on the Life and Writings of Claude-Louis Bertholiet 



(concluded) l6l 



Mr. Children's Summary View of the Atomic Theory according to the 



Hypothesis adopted by M. Berzelius 185 



Mr. Stockton's Meteorological Register for 1824 194 



Dr. Bostock on the Boiling Point of Ether 196 



Col. Beaufoy's Astronomical Observations 200 



Mr. Powell's Remarks on Solar Light and Heat (continued) 201 



Sir A. Crichton on the Climate of the Antediluvian World, and its Inde- 

 pendence of Solar Influence ; and on the Formation of Granite {cori' 



eluded) 20r 



Prof. Renwick on Torrelite 21? 



Proceedings of the Royal Society 223 



_ — Linnean Society 226 



Astronomical Society 228 



On the Ingots of Copper obtained viii humidd 228 



Note on the Presence of Titanium in Mica 229 



Harmotome 230 



Cadmiferous Sulphuret of Zinc 231 



Sulphuret of Lead and Antimony 231 



