IT CONTENTS. 



6. Rapid Fall of the Barometer during the late violent 

 gale on Monday the 19th February 1837 at Edin- 

 burgh, . . 386 



7- Red-coloured Sea, . .386 



8. Questions respecting the Effects of Clearing Land. A 



Letter addressed by the French Minister of Finance 

 to the Secretary of the Academie des Sciences in 

 Paris, ..... 387 



9. Observations nftade on the occasion of two Hail- 



Storms which occurred at Toulouse and Jouzac, 389 



10. Researches made on the Bouquet of Wines, by 



Messrs LIE BIO and PELUZE, . . 392 



11. On the Proportions of Nitrogen in different varieties 



of Wheat, by M. PA YEN, . . . 393 



ZOOLOGY. 



12. Influence of Light and Darkness on the Human Body, 394 



13. Ehrenberg on Masses of Polyparia without Animals, 395 



14. On the Distinctive Characters between Plants and 



Animals, ..... 396 



15. Concerning an African Species of the GenusCanis, an 



inhabitant of the Sahara Desert, and some of the 

 Valleys of the Atlas, ... 397 



16. Geographic Distribution of the Crustacea, . 397 



17. Experiments upon the Mechanism of the Motion or 



Beat of Arteries, by M. FLOURENS, . 399 



GEOLOGY AND MINERALOGY. 



18. Reduction of Silver, Lead, and Copper, . 401 



19. On the Results of Mr Fox's Experiments on the 



production of Artificial Crystals by voltaic action, 402 



20. Jamesonite from Estremadura, analyzed by Count F. 



SCHAFFGOTSCH, .... 403 



21. On the Fossil Bones of the Tertiary Formation of 



Simorre, Sansan, &c. in the department of Gers, 

 and on the recent discovery of a Jaw of a Fossil 

 Monkey, .... 403 



22. New Expression for determining the various circum- 



stances connected with the Dip, &c. of Stratified 

 Rocks, ... 405 



23. Analysis of Steatite and Algalmatolite, . 406 



24. Analysis of Radiated Zinc-Blende, . . 406 



25. Analysis of Plagionite, . . . 406 



XXIV. List of Patents granted in Scotland from 17th De- 

 cember 1836 to 14th March 1837, . 407 

 INDEX, . 409 



