CONTENTS. Ill 



Page 



XXVII. ANALYSIS OF SCIENTIFIC BOOKS AND MEMOIRS, 164 



I. Journal of a Third Voyage for the Discovery of a North-west Pas- 

 sage from the Atlantic to the Pacific, performed in the years 1824-0, 

 in his Majesty's Ships Hecla and Fury, under the orders of Captain 

 William Edward Parry, R. N. F. R. S. 1826. 4to. 164 



II. On the Mathematical Theory of Suspension Bridges, with Tables 

 for Facilitating their Construction. By Davies Gilbert, Esq. 

 V. P. R. S. &c. &c. From the Philosophical Transactions for 1826. 

 Partiii. - - 169 



XXVIII. PROCEEDINGS OF THE ROYAL SOCIETY OF EDIN- 



BURGH, - - - 173 



XXIX. SCIENTIFIC INTELLIGENCE, - 174 



I. NATURAL PHILOSOPHY. 



Astronomy 1. Struve's Observations on the Ring and Satellites of Saturn. 



- 2. Struve's Observations on Jupiter and his Satellites. 3. Royal Observa- 

 tory of Edinburgh. 4. New Observatory at Brussels. 0. Mr Dunlop's Ob- 

 servations on Encke's Comet in 1825. - - 1?4 — 175 



Optics. — 6. Nature of the light emitted by lime in a high state of incan- 

 descence. 7- On the light developed at the separation of Boracic Acid into 

 fragments, - - - - 176 



Hydrodynamics. — 8. On the Periodical Fountain of the Jura, called the 

 Round Fountain, - - ib. 



Meteorology.— 9. Meteoric Stone containing many substances. 10. Great 

 Variation of the Barometer in 1822, - 177 



11. chemistry. * 



11. Brome, a new substance, supposed to be simple, contained in sea water, 177 



III. NATURAL HISTORY. 



Mineralogy. — 12. Thenardite, a new mineral species. 13. Halloysite, a 

 new mineral species. 14. Artificial cold produced by mixing metals, 182 — 184 



Zoology — 15. Mr Audubon's Ornithology of the United States of America, ib. 



Botany. — 16. Icones Filicum. 17. Hooker and Taylor's Muscologia Bri- 

 tannica. 1 8. Exotic Flora and Botanical Magazine, - 184 — 186 



GENERAL SCIENCE. 



19. Largo Extinct Volcano in Hawaii, - • 187 



XXX List of Patents granted in Scotland since September 9, 1826, ib. 



XXXI. Celestial Phenomena, from January 1st to April 1st, 1827, adapted 



to the Meridian of Greenwich, Apparent Time, - 188 



XXXII. Summary of Meteorological Observations made at Kendal, in Sep- 



tember, October, and November 1826. By Mr Samuel Mar- 

 shall. Communicated by the Author in a Letter to the Edi- 

 tor, - - - 190 



XXXIII. Register of the Barometer, Thermometer, and Rain-Gage, kept at 

 Canaan Cottage. By Alex. Adie, Esq. F. R. S. Edin. 192 



