Meteorological Observations. 399 



picture, a powerful and pleasing effect; and the size is conveniently 

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SCIENTIFIC MEMOIRS, selected from the Transactions of Fo- 

 reign Academies of Science, and from Foreign Journals. 

 Part II., just published, contains 



Researches relative to the Insects, known to the Ancients and 

 Moderns, by which the Vine is infested, and on the Means of pre- 

 venting their Ravages. By M. le Baron Walckenaer, Hon. Memb. 

 of the Entomological Society of France. 



The Kingdoms of Nature, their Life and Affinity. By Dr. C. G. 

 Carus, Physician to His Majesty the King of Saxony. 



Researches on the Elasticity of Bodies which Crystalhze regularl}^ 

 By Felix Savart. 



Researches concerning the Nature of the Bleaching Compounds of 

 Chlorine. By J. A. Balard. 



On the Laws of Conducting Powers of Wires of different Lengths 

 and Diameters for Electricity. By E. Lenz. 



Memoir on the Polarization of Heat. By M. Melloni. 



METEOROLOGICAL OBSERVATIONS FOR SEPTEMBER 1836. 



Chisiuick. — Sept. I. Very fine. 2. Overcast : stormy showers: clear and 

 cold. 3. Fine. 4. Rain : fine. 5. Cloudy : very fine. 6. Stormy 

 showers. 7. Fine, but cool. 8. Very fine. 9. Overcast: cloudy : rain 

 at night. 10. Fine. 1 1. Cloudy: stormy at night. 12. Stormy showers: 

 clear and windy at night. 13. Cloudy and cold: boisterous. 14. Cold 

 haze: fine. 15. Fine. 16. Showery. 17. Fine: thunder showers. 



18 — 20. Cloudy, and fine. 21. Cold and damp: fine. 22. Fogey; very 

 fine. 23. Stormy and wet. 24, 25. Fine. 26, 27. Hazy : fine. 28. Clear: 

 heavy showers : fine. 29. Rain. 30. Clear and cool : stormy showers. 

 The summer, bite in commencing as regards temperature, may be said to 

 have terminated with the beginning of this month. The temperature 

 falling so early and abruptly was confidently expected to remain only tem- 

 porarily depressed ; but such expectations have been disappointed. 



Boston. — Sept. 1. Fine. 2. Cloudy: rain early a.m.: rain a.m. 



3. Fine. 4. Rain : rain p.m. 5. Cloudy : rain early a.ji. 6. Cloudy : 

 rain early A.M. : rain P.M. 7. Cloudy : rain p.m. 8. Fine. 9. Rain. 



10. Cloudy: rain early a.m. : rain p.m. 1 1, Cloudy : rain p.m. 12. Stormy. 

 13. Rain. 14. Cloudy': rain early a.m.: rain p.m. 15. Cloudy. 16.Cloudv. 

 rain early A. >r. : rain P.M. 17. Cloudy. 18. Fine. 19. Cloudy: 



20. Cloudy: rain p.m. 21. Fine : rain p.m. 22. Cloudy : rain p.m. 



83—25. Fine. 26. Cloudy. 27. Cloudy : rain p.m. 28 . Cloudy. 



S9. Cloudy : rain p.m. 30. Cloudy. 



