CONTENTS 



OF THE 



EDINBURGH JOURNAL OF SCIENCE. 

 No. XV. 



Page 

 Art. I. Biographical Sketch of Alexander Volta, Professor of Natural 



Philosophy at Como, - - . - - 1 



II. Concerning Coloured Spectra from Flame, Moon, and Starlight, and 

 , , from Electric Light. By the late M. Le Chevalier Fraunhofer, 



Member of the Royal Bavarian Academy of Sciences at Munich, 7 



III. Narrative of the Proceedings and Scientific Observations of the late 

 Mission to Ava, - - - - - - 10 



IV. On the Foetus of a Polydactylous Horse having the Toes separated by 



a Membrane. By M. G. St-Hilaire, Member of the Institute, 25 



V. On the principles of Dynamics, particularly as stated by French Writ- 

 ers. By the Rev. W. Whew ell, M. A. Trinity College, Cambiidge. 

 Communicated by the Author, - - - 27 



VI. On the probable cause of the North -East Winds which occur in the 

 Spring in most parts of Great Britain. By Mr Samuel Marshall, 

 Communicated by the Author in a Letter to the Editor, - 39 



VII. On the Systems of Double Stars which are supposed to be Binary ones, 

 from the observations of Sir W. Herschel and Messrs Herschel 

 and South, - - . . , - 40 



VIII. Account of the Indian Penance of Gulwugty, or Churuk Pooja. By 



R. H. Kennedy, M. D. - - - - 44 



IX. Account of the Method of Drawing Birds employed by J.J. Audubon, 

 Esq. F. R. S. E. In a Letter to a Friend, - - 48 



X. Account of the Cave of Booban, near Punduah, in the Cossyah Moun- 

 tains, - - - - - - 54 



XI. Account of the Fosil Bones discovered on the left bank of the Irawad- 

 dy in Ava, - _ - - - 56 



XII. On the Mean Temperature of the Equator, as deduced from Observa- 

 tions made at Prince of Wales's Island, Singapore, and Malacca. By 

 David Brewster, LL. D. F. R. S. Lond. and Sec. R. S. Ed., 60 



XIII. A Metallurgic Memoir on the Nature and History of the Argillaceous 

 Carbonate of Iron. By Hugh Colquhoun, M. D. Communicated 

 by the Author. (Continued from vol. vii. (p. 242.) - 67 



XIV. Description of the new Fluid Telescope recently constructed by Messrs 

 W. and T. Gilbert on a plan suggested by Peter Barlow, Esq. 



F. R. S., Mem. Imp. Ac. Petrop. In a Letter to the Editor, 93 



XV. Notice respecting the Varnish and Varnish Trees of India, - 96 



XVI. Account of the Poisonoua Qualities of the Vegetable Varnishes from 



India and America, - - - - 100 



