vi 



TABLE OF CONTENTS, 



Exposition of Facts concerning the Effects of Vaccination, and 

 Examination of the Objections to its Practice. By MM. 



Berthollet, Percy, and Halle 135 



Correction of an Error in the Account of Mr. Cavendish 143 



Chemicnl Remarks on Gold , . „ 144 



On the Effect of Air in producing Putrefaction 145 



On the Constituents of Bodies 14^ 



Proceedings of the Royal Society, January 14 and 21 14/ 



' " Linnaean Society 148 



, — — , Wernerian Natural History Society 149 



Proceedings of the French Institute. 



3. Memoir on the Attraction of Homogeneous Spheroids. By 



M. Legendre 150 



2. On the Distribution of Electricity on the Surface of Con- 



ductors. By M. Poisson 152 



3. Researches on Optics. By MM. Mains and Arago .... 15^ 



New Patents , , ibid. 



Scientific Books in hand 158 



Meteorological Table, &c. Nov. 25 to Dec. 24, 1812 159 



NUMBER HE—MARCH. 



Biographical Account of Mr. Karsten , l5l 



On the Liquid Gum from Botany Bay l63 



Description of an Organ by which the Eyes of Birds are accom- 

 modated to Distances. By Mr. Crampton 170 



Population of the Principal Towns of Great Britain If 4 



On the Specific Gravity of the Gases 17/ 



Description of new HydrauUc Machines. By M. Mannoury 



Dectot 1 83 



On Formations. By Professor Jameson Ipi 



Analysis of the Philosophical Transactions for 1812, Part H.. . 206 

 Professor Blumenbach on Vegetables found in some Species of 



Minerals 217 



Dr. Langsdorf on Turquois ibid. 



Mr. Uttingen on Chromium in Chlorite ibid. 



Mr. Gautieri on some Italian Rocks , ibid. 



Of Gieseke, the Mineral Dealer ibid. 



Thunberg on Sarcocol ,^ . , 218 



Of the Marine Transit ibid. 



Magnetic Variation , 219 



Correction of an Observation in the Paper on Uhnin 220 



Fall of Rain in Scotland in 1812 ibid. 



Mr. Hutton's Method of freezing Alcohol 221 



Proceedings of the Royal Society, Jan. 28, Feb. 4, 11, and 18. ibid. 



1 ' Linnjran Society 224 



- • French Institute 



1. Researches of M. Biot on Light „ . . . 225 



2. New Phaenomena fcsf Optics. By Arago 23^ 



