IV CONTIiNTS. 



Pag;e 



Mr. Faraday on new Compounds ofCarbon and Hydrogen, &c. {concluded) 95 



M. Vanuxem on Anthracite, Plumbago, &c 104 



Mr. Davies on the Combustion of Compressed Gas Ill 



Dr. Mitchill on the Hedgehog-Ray 112 



Mr. Daniell on Climate 114 



Dr. Turner on the Means cf detecting Lithia in Minerals by the Blow- 

 pipe 131 



Mr. Cooper on a new Species of Grosbeak 134 



Proceedings of the Royal Society 137 



— — — — Geological Society 139 



Discovery of Lithia in Mineral Waters 145 



Orange Gas produced from Fluor Spar and Chromate of Lead 146 



Arseniate of Iron 147 



Fall of Aerolites 148 



Analysis of the Maryland Aerolite 149 



Geological Survey of the Shores of the Severn 151 



The Pantochronorneter 152 



French Voyage of Discovery 1 6S 



Weights and Measures 154 



New Scientific Books 157 



New Patents . ,.., 158 



Mr. Howard's Meteorological Journal ., J59 



NUMBER IIL— MARCH. 



Col. Beaufoy on the Going of a Clock with a Wooden Pendulum ,. \6l 



Results of various Meteorological Registers for 1825 163 



Mr. Horner on the Solutions of the Function ■4'' x 168 



On the Habits and Food of the Stickleback. . ^ 173 



Mr. Longmire on the Flame of a Candle I76 



Col. Beaufoy's Astronomical Observations 177 



Memoir on the Expediency of surveying the Indian Archipelago 178 



Mr. Rainy's Reply to Dr. Thomson I87 



Mr. Levy's Descriptions of Two new Minerals Ig4 



Desctiption of the Process of Amalgamation as carried on in Germany. . , J96 



Analytical Account of the Philosophical Transactions for 1825, Part IL 202 



Proceedings of the Royal Society 223 



^ Astronomical Society 229 



. • Geological Society 230 



— Med ico-Botanical Society of Londoil 232 



Account of Prof. Berzellus's Method of detecting Arsenic in the Bodies 



of Persons poisoned 232 



Prof. Berzelius's Researches on Molybdaena 235 



On Native Silver from Michigan 23? 



