m CONTENTS. 



NOVEMBER, 1811. 



Zn^ravings of the following Subjects: 1. Peduncles of Leaves delineated and 

 dissectccl, to showtlieir Mechanism. By Mrs. Agnes Ibbetsoa. 2. Appara- 

 tus to explain the Decomposition of Water in separate Vessels by Galvanism. 

 By Adam Anderson, Esq. 3. Crystals of carbonated Lime. By Abb6 Haiiy. 



I. On a Property of the repulsive Forces, that act on Light : by Mr. Malus. 161 



H. Experiments on the Production of Sound in Vapour: By Mr. Biot. 1§9 



III. Experiments to prove, that Fluids pass directly from the Stomach to the 

 Circulation of the Blood, and thence into the Cells of the Spleen, the Gall 

 Bladder, and Urinary Bladder, without going through the Thoracic Duct, 

 By Everard Hoine,Esq. F. R. S. - - - - 173 



IV. Of the mechanical Powers in the Leaf Stalks of various Plants. In a Letter 



from Mrs. Agnes Ibbetson - - - - - 179 



Y. On the Decomposition of Water in two or more separate Vessels. In a 

 Letter from Adam Anderson, Esq. - : - - 183 



VI. Description of several new Varieties of carbonated Lime: by Mr. Haiiy. 18!> 



VII. Extract of a Letter from Dr. Francis Delaroche to F. Berger, Esq. ; on 

 Radiant Heat and other Subjects. Communicated by the latter Gentleman. 



192 



VIII. On Chemical Attraction. , By Marshall Hall, Esq. - - 193 



IX. On the Horticultural Management of the Sweet or Spanish Chestnut Tree. 

 By the Right Hon. Sir Joseph Banks, Bart. K. B. &c. - - 202 



X. On Potatoes. By Thomas Andrew Knight, Esq. F. R. S. &c. - 204 



XI. A remarkable analytical Anomaly respectfully submitted to the Considera* 

 tion of Mathematicians. By a Correspondent. - - 209 



XII. On the Migration of Swallows ; by Dr. Traill. Read before a Litei'ary 

 and Philosophical Society established at Derby, Sept. 17th, 1808, of which 

 Dr. Traill is a corresponding Member - - - 213 



XIU. Account of the Appearance of a Luminous Meteor: by Professor 

 Pictet. 2ia 



XIV. Letter from Professor P. Prevost, to Professor Pictet, on the Meteor of 

 the I5th of May. 218 



XV. Improvement in the Aquatinta Process, by which Pen, Pencil, and Chalk, 

 Drawings can be imitated : by Mr. J. Hassell, No. 11, ClementVIrm. 220 



XVI. On the Nature of Oximurlatic Acid Gas, and the Conversion of Car- 

 bonic Oxide into Carbonic Acid by it, in Reply to Mr. J. Davy. In a Letter 

 from Mr. J. Murray, Lecturer on Chemistry, Edinburgh. - 236 



XVII. Meteorological Journal -.,--- . . 226 



XVIII. Experiments on the Acid Phosphate of Potash : by Mr. Vauquelin. 238 

 Scientific News. - - - , - 2^9 



decemb|;Rj 



