CONTENTS. iii 



Art. XXIII. Notice of a Voyage of Research. In a Letter 

 from Captain Basil Hall, R, N. to Professor 

 Jameson, - - - - 351 



XXIV. On Achmite, Hyalosiderite, and Trachylite. By 



Professor Breithaupt of Freyberg, - 362 



XXV. The Destruction of Sodom and Gomorrah, oc- 

 casioned by Volcanic Agency, - 365 



XXVI. Notice on Oil in the Human Blood, by Dr 

 Adam ; and on the Bite of the Ceylon Leech, 

 by John Tytler, Esq. Assistant-Surgeon, 

 Garrison of Monghyr, - - 373 



XXVII. A Series of Observations on the Temperature of 

 the Thames, in the year 1 824. By Mr J. 

 Frembly, R. N. Communicated by the Au- 

 thor, . - . - 377 

 XXVIII. Observations made during a Visit to Madeira, 

 and a Residence in the Canary Islands. By 

 Baron Leopold Von Buch, - - 380 



XXIX. List of Rare Plants which have Flowered in the 

 Royal Botanic Garden, Edinburgh, during the 

 last Three Months ; with Descriptions of se- 

 veral New Plants. Communicated by Dr 

 Graham, _ - » - S85 



XXX. Celestial Phenomena from October 1. 1826 to 

 January 1. 1827, calculated for the Meridian 

 of Edinburgh, Mean Time. By Mr George 

 Innes, Aberdeen, - - - 387 



XXXI. Scientific Intelligence, 

 astronomy. 



1. The Moon and its inhabitants, _ _ _ 389 



meteorology. 



2. Transmission of Sound. 3. Showers of Blood in Britain. 



4. Bitsberg Meteoric Stone. 5. Morichini on Magnetism. 



6. Luminous Meteor. 7- Remarkable Rainbow, 390-392 



chemistry. 

 8. Chemical Action of Diffused Silica. 9. Chloride of Lime 

 as an antiseptic. 10. Ammoniac in Alder Water. 11. 

 Acids and Salts of Soil, - - - 392, 393 



geology. 

 12. Quadersandstone belongs to the Greensand. 13..Strnc- 



