METEOROLOGICAL JOURNAL. |5| 



NOTES. 



Fourth Month, 4. Cloudy a. m. Clear evening. 5. Much 

 dew: barometer unsteady: heavy clouds through the day: 

 a shower about sunset. 6. Much dew: gray sky, and the 

 air nearly calm. 7. Lightly cloudy : little wind. 8. Cloudy 

 a.m.: a shower p.m. 9. Brisk wind: cloudy. 10. Hoar 

 frost. 11. Cloudy. iG. Slight showers. 17. Little hail. 

 20. a few large drops. 23, 24. Occasional slight showers 

 of hail, &c. 25, 26. Gentle showers of rain 5et not warm. 

 27. Misty morning: much dew: swallows appear. 28, 

 29. Cloudy : windy. 



Fifth Month. 1, 2. Cloudy: the cuckow heard. 3. 

 About 1 p.m. a few drops of rain, attended with the smell 

 of electricity in the air: the wind, which in the morning 

 had been brisk at N. E., died away, the canopy of the sky 

 rose: the evening was calm, and dew fell. 



RESULTS. 



Prevailing winds N . E. 



Barometer: highest observation 30- 18 inches; lowed 29*55 inches; 



Mean of the period 29*902 inches. 



Thermometer : highest observation 59 5 lowest 25° j 



Mean of the period 43-57°. 



Evaporation 334 inches. Rain 1*24 inches. 



Plaistow. L. HOWARD. 



Fifth Month, 24, 1812. 



XV. 



Experiments on Camphoric Acid; by Mr. Bucholz*. 



J\Jj)OERFURT imagined he had shown by experiment, Camphoric 

 that the camphoric acid, described by Bouillon-Lagrange, aciddistinct 



* Journ. de Phys. vol. LXX. p. 347. Translated from Gehlen'a 

 Journal by Mr. Vogel. 



was 



