vi CONTENTS. 



APRIL, 1813. 



Engravings of the following subjects : 1, Apparatus for experiments on ani- 

 mal beat. 2. Apparatus for experiments on the explosive compound. 

 3. Delineation of a very singular figure, formed in the ice of a pond, cor- 

 re»ponding with that of a man, who lay drowned at the depth of five feet 

 below the ice. 4. View of the Caldeiras or boiling Fountains in one of 

 the Azore Islands. 



I. Experiments on the comparative Strength of Men and Horses, ap- 

 plicable to the Moxement of Machines. By M. Schulze 233 



II. — An explanatory Statement of the Notions or Principles upon which 

 the systematic Arrangement is founded, which was adopted as the Basis 

 of an Essay on Chemical Nomenclature. By Professor J. Berzelius... 240 



III. — A Reply to Don Joseph Rodriguez's Animadversions on Part of 



the Trigonometrical Survey of England. By Olinthus Gregory, LL. D. 



. of the Royal Military Academy, Woolwich 246 



IV. — On the Existence of combined Water in muriatic acid Gas. By 

 J. Murray, Lecturer on Chemistry, &c. Edinburgh .. 264 



V. — On the Explosive Compound of Chlorine and Azote 276 



VI. — Vindication of the Claims of the American Boy to extraordinary 

 Talents and original Discovery. In a Letter from Mr. W. Saint 29 1 



VII. — Meteorological Journal. ... 1 296 



VIII. — On the Connection between Shooting-Stars and large Meteors, 

 and proceeding both from terrestrial and satellitulae, in rejoinder to 

 Mr. G. J. Singer. By Mr. John Farey, Sen 298 



IX. — Account of a remarkable Appearauce in the Ice of a Pond in which 

 a man was drowned. (W. N.) 301 



X.— Of the Caldeiras or Hot Fountains of the Furnas in the Island of St. 

 Michael, one of the Azores 305 



Scientific News 30^ 



