CONTENTS. 



XIH. On Electricity Page 72 



XIV. Letter from Ez. Walker, on his Instrument called 

 a Cometarium, described in our last Volume . . . . 73 



XV. Notices respecting New Books 15 



XVI. Proceedings of Learned Societies Si 



"XVII. Intelligence and Miscellaneous Articles .. . . 94 



XVIII. Let l, it- from Dr. De Carro to the Editors of the 

 Bibliot/ieque Britannique, on the Guinea Worm, and the 



Scorpions of India 97 



XIX. Chemical Experiments on Guaiacujn. By Mr. Wil- 

 liam liRANDK .. .. 105 



XX. Natural History of the domestic Pigeons of Spain, 

 pariicularfy in the Province of Fklentia. By Don An- 

 ton^o Joseph Gavanilles 112 



XXI. On the Direction of the Radicle and Germen during 

 the Vegetation of Seeds. By Thomas Andrew Knight, 

 Esq f\ U.S. In a Letter to the Right Hon. Sir Joseph 

 Banks, K.B. P. R.S .. 122 



XXII. Chemico- Galvanic Observations communicated to the 

 National Institute of Italy. By M. L. Bbugnatelli 



130 

 XXII F. Account of a Series of Experiments, showing the 

 of Compression in modifying the Action of Heat. 

 By Sir James Hall, Bart. F.R.S. Lond. and Edin. 



143 



XXIV. Report of Surgical Cases in the City Dispensary 

 from the Istqf January to the 30th of June 1S()6. Com- 

 municated by John Taunton, Esq. Surgeon to the City 

 and Finslury Dispensaries, and Lecturer on Anatomy, 

 Surgery, c s r 158 



XXV. Thirtieth Com muni cat ion from Dr. Thornton, re- 

 la! ire to Pneumatic Med' 1 cine 161 



XXVI. Description of an improved Geometrical Plotting 

 Quadrant, Level, and Calculator, for the Use of Navi- 

 gation and Land- Surveying, ascertaining inaccessible Di- 

 stances ; and for demonstrating and i :* various 

 problems in Geometry and Trigouotnetry. By Mr. Ro- 

 bert Salmon, of Woburn 163 



XXVII. A simple Way for determining the cruet Time of 

 N ■ n ; also a Way to obtain a Meridian Line on a smell 

 Scale. By Ez. WALKER, Esq 172 



XXVI IT. On the Satellites and Belts of Jupiter. By Mr. 

 John Svart 174 



XXIX. Memoir upon the Germination an I Fermentation of 

 Grains and Farinaceous Substances'. By Messrs. Vao- 



tt'JELiN and Fourcroy , 176 



XXX. Pro- 



