CONTENTS 



OF THE 



EDINBURGH JOURNAL OF SCIENCE. 

 No. XL 



Page 

 A«T. I. Specimen of the use of Notation in the Analysis of Crystalline Forms. 

 By the Reverend W. Whewell, Trinity College, Cambridge. 

 Communicated by the Author, - . - ■ 



II. Comparative Effect of Rotation of a Solid Iron Ball, and Hollow Iron 

 Shell, in producing the deflection of a Magnetic Needle. By Peter 

 Barlow, Esq. F. R. S., Mem. Imp. Ac Petrop. &c. Communi- 

 cated by the Author, - - - 

 ill. On the Females of Pheasants which assume the plumage of the male. 



By M. Isidore Geoffroy Saint- Hie aire, - 9 



IV. On Zinkenite, a New Mineral Species. By Dr Gustavus Rose. 



Communicated by the Author, 17 



V. On the Case of a Lady Born Blind, who received Sight at an Ad- 

 vanced Age by the Formation of an Artificial Pupil. By James 

 Wardrop, Esq. F. R. S. Edin. Surgeon Extraordinary to the King. 20 

 VI. Account of a Survey of the Valley of the Setlej River, in the Hima- 

 laya Mountains. From the Journal of Captain Alexander Ge- 

 rard, Surveyor to the Board of Commissioners. (Concluded from 

 Vol. V. p. 288,) - 28 



VII. Account of a Method of fixing the Glass in painted Windows with- 

 out the interruption of Astragals. By John Robison, Esq. F. R. S. 

 Edin. Communicated by the Author, - -50 



VIII. Account of a Voyage to Madeira, Brazil, Juan Fernandez, and the 

 Gallipagos Islands, performed in 1824 and 1825, with a view of exa- 

 mining their Natural History. By Mr Scouler. Communicated 

 by the Author, - - - 51 



IX. A Chemical Essay on the Art of Baking Bread. By Hugh Col- 



quhoun, M. D. - - 73 



X. Observations on the Comet of 1825, and on the Changes which take 

 place in the figure of the tail, tending to establish the existence of a 

 rotation round its axis. By Mr James Dunlop, Paramatta. 

 Communicated by Sir Thomas Makdougall Brisbane, K. C. B. 

 F. R. S. London and Edinburgh, . - 84 



