•• • 



CONTENTS. 1U 



Page 

 XXXI ANALYSIS OF SCIENTIFIC BOOKS AND MEMOIRS, 334 



I. Considerations on Volcanos,_the Probable Causes of their Pheno- 

 me na,-the Laws which Determine their March,_the Disposition of 

 their Products,_and their Connection with the Present State and 

 past History of the Globe ; leading to the Establishment of a New 

 Theory of the Earth. By G. Poulett Scrope, Esq. Secretary to 

 the Geological Society, London, 1825. " ' ' 



II Account of the Earthquakes which occurred in Sicily in March 1823. 

 By Sig. Abate Ferrara, Professor of Natural Philosophy m the 

 University of Catania, ( Concluded from last Number, V M-) 6bZ 



III. Schow's Essay on Botanical Geography. Copenhagen, 1823— 

 (Concluded from last Number, p. 167 J 



376 



XXXII. SCIENTIFIC INTELLIGENCE, 



I. NATURAL PHILOSOPHY. 



Astronomy.-L Hansen's Parabolic Elements of the second Comet of 1825. 

 2. M Capocci's new elements of the Comet of 1825. 3. Pons and Capocci's Ob- 

 servation^ on the tail of the second Comet of 1825 4. Hansen s dUpUjl 

 elements of the second Comet of 1825. 5. Fifth Comet of 1825. 6 Mr 

 Pond's Observations on the Double Star { Boot.s, - - * i '°-;" 



OPTICS.-7- Luminous Phenomenon observed between Paisley and Glasgow, 378 



II. CHEMISTRY. 



8. On the Sulpho-Naphthalic Acid newly discovered by Mr Faraday, ib. 



III. NATURAL HISTORY. 



Zoology._9. Fossil bones near Montpellier. 10. Crocodiles of Egypt 



11. on the Egg and Tadpole of Batracian Reptiles, - -»° * 



BOT an Y.-12. M. Ramond on the Vegetation of the Summit of the Pyrenees, 380 



XXXIII. List of Patents granted in Scotland since November 17, 1825, 381 



XXXIV. Celestial Phenomena, from April 1, 1826, to July I, 1826. 38 ' 



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

 Canaan Cottage. By Alex. Adie, Esq. F. R. S. E. 



