CONTENTS. 



Art. 1. On Daguerreotype. By Andrew Fyfe, M. D., 

 F. R. S. E., F. S. A., &c. Communicated by the 

 Society of Arts of Scotland, . Page 205 



II. On the Nile, and the present and former Levels of 

 Egypt. By Sir J. Gardner Wilkinson. With 

 a Plate, . . . . 211 



III. On the Geographical Distribution of Insects. (Con- 



cluded from page 183), . .224 



IV. Of the Diseases of France in their relation to the Sea- 



sons, or Sketch of a Medical and Meteorological 

 History of France. By Dr Fuster, . 238 



V. On the Adulteration of Fixed Oils. By William 

 Davidson, M. D., Glasgow. Communicated by the 

 Society of Arts of Scotland, . . 250 



VI. On the Decolorization of Palm Oil. By William 

 Davidson, M. D., Glasgow. Communicated by the 

 Society of Arts of Scotland, . . 256 



VII. On the Removal of the Fetid Odours of Fish Oils. 



By William Davidson, M. D., Glasgow, . 258 

 VIII. On the Removal of the Bitter Taste and Lichenous 

 Odour of Iceland Moss, &c. By William Da- 

 vidson, M. D. Communicated by the Society of 

 Arts of Scotland, ... 260 



IX. Report of the Experimental Committee of the Society 

 of Arts for Scotland, on Dr Davidson's proposed 

 methods of Decolorizing Palm Oil, removing the 

 Bitter Taste and Lichenous Odour of Iceland Moss, 

 and the Fetid Odour of Fish Oils, and for detect- 

 ing the Adulteration of Fixed Oils. Communicated 

 by the Society of Arts of Scotland, . . 264 



X. Some Remarks on Electric Currents in Metalliferous 

 Veins. By Robkiit Wkrk Fox, Esq. Communi- 

 cated by tlie Autlior, . . . 267 

 XI. Observations on the Digestive Organs of the Infusoria. 



By J. Mevkn, . . . .271 



