iv CONTENTS. 



Pago 

 Letter from W. Bland, Jun., Esq., of New Place in the Parish 

 of Hartlip, near Sittingbourne, Kent, to Dr. Buckland, on 



the Rise and Fall of Water in Wells in Kent 88 



Mr. J. Blackwall on the Manners of the Grenadier Grosbeak 



{Loxia Orijx, Linn. ) when in Captivity 97 



Mr. H. Hainell on a New Anemometer 100 



Prof. Encke on the Calculation of the Orbits of Double Stars 



[continued) 102 



llev. W. D. Conybeare on the Structure and Extent of the 



South Welsh Coal-basin HO 



New Books : — Prof. Goldfuss's Description of the Petrifactions 



in the Museum of the University of Bonn 1 1 4< 



Proceedings of the Royal Society 115 



— — Royal Astronomical Society 130 



Zoological Society 132 



Royal Society of Edinburgh HI 



Belfast Natural History Society 143 



MM. Wohler and Liebig on a Combination of the Protoxide 



and Peroxide of Iron 147 



Method of obtaining Protoxide of Manganese, by the same — 



On the Reduction of Nickel, by the same 148 



M. Liebig's Analysis of Camphor and Camphoric Acid 149 



M. Berzelius on Lactic Acid 150 



On the Properties of the Lactates, by the same 151 



M. Matteuci on Acetate of Lead and Pyroacetic Spirit 152 



M. Liebig on the Reduction of Titanium 153 



Reduction of Chromium, by the same — Mr. Audubon's Scien- 

 tific Expedition -154 



New Comets — New Scientific Books — New Patents 155 



Extract from the Meteorological Journal kept at Penzance by 



Mr. Giddy ". 157 



Occultations of Planets and Fixed Stars by the Moon, in Fe- 

 bruary 1832. Computed for Greenwich, by T. Henderson, 

 Esq; and circulated by the Astronomical Society — Meteo- 

 rological Observations 158 



NUMBER LXni.— MARCH. 



Rev. J. Challis's Theory of the Transmission of Light through 

 Mediums, and of its Reflection at their Surfaces, according 

 to the Hypothesis of Undulations 161 



Rev. P. Keith on the Susceptibilities of Living Structures [con- 

 tinued) 166 



Prof. Encke on the Calculation of the Orbits of Double Stars 

 [continued) 175 



Mr. P. Barlow's Experiments on the Strength of different Kinds 

 of Woods; made in the Carriage Department, Royal Arsenal, 



Woolwich ] 79 



Mr. 



