CONTENTS. v, 



FEBRUARY, 1809. 



Engravings of the following Objects: 1. Delphi mis Melasma nondescript Spe* 

 cies of the Order Get* from an original Drawing: 2. Dr. W. Henry's Ap- 

 paratus for the Analysis of the compound inflammable G asses by slow Conv 

 bustion, 



I. Description of a new Species of Whale, Delphinus Melas. In a Letter from 

 Thomas Stewart Traill, M. D. SI 



JI. Description of an Apparatus for the Analysis of the Compound Inflammable 

 Gasses bv slow Combustion ; with Experiments on the Gas from Coal, ex- 

 plaining its Application. By William Henry, M. D., Vice Pres. of the Lit* 

 and Phil. Society, and Physician to the Infirmary at Manchester. Commu- 

 nicated by H. Davy, Esq., Sec. It. S. - - - 83 



III. Account of a new Irregularity latelv perceived in the apparent Figure of 

 the Planet Saturn. By William*Herschel,-LL. D. F. R. S. - 100 



IV. Hvdraulic Investigations, subservient to an intended Croonian Lecture on 

 the Motion of the Blood. By Thomas Young, M. D. For. Sec. It. S. 104 



V. A Mi nera logical Description of the Mountain and Silver Mine of Cha- 

 lanches, in the Department of the Isere. By Hericart de Thury, Mine 

 Engineer ' ' '. 'J - - - - 134 



VI. Effects of Gravity on the Balance of a Watch compared with those on (he 

 Pendulum of a Clock. In a Letter from a Correspondent - 13 * 



VII. An Account of a simple and economical Method of preparing an artificial 

 Cheltenham Water highly impregnated with Carbonic Acid (fixed Air). By- 

 Richard Greene, Esq. of Cork, A. B. Trin. Col. Dub., M. D., and Presi- 

 dent of the Royal Medical Society, Edinburgh - - 139 



\TII. Second Letter on the xVdvantages of Coal Gas Lights. By Mr. B. Cook 



145 



IX. On the Superiority of Platinafor making the Pendulum Spring of Watches, 

 By Mr. James Scott" - - - - - 148 



X. On the Construction of Galvanic Batteries. In a Letter from a Correspon- 

 dent ------- 140. 



XI. Account of an economical Method of evaporating the Water of Brine- 

 springs, employed at the Salt Works of Moutiers, in the Department of Mont-; 

 Blanc. By Mr. II. Lelivec, Engineer of Mines, &c. for the Departments of 

 Mont-Blanc and the Leman Lake - - - 151 



XII. Eclipses of the Satellites of Jupiter, observed by John Goldingham, Esq. 

 F. R. S., and under his Superintendance, at Madras, in the East Indies J 53 



Scientific News - - - r 15tf 



Meteorological Journal - ? - - - 100 



MARCH, 



