HISTORY OF THE ATOMIC THEORY. 261 



112. January 12th, 1841. Meteorological Observations, 

 made in Manchester and the neighbourhood, during the year 

 1840, or previously. 



113. March 9th, 1841. On a New and Easy Method 

 of Analyzing Sugar. 



114. October 5th, 1841. On the Citric Acid, the Oxalic 

 Acid, the Acetic Acid, and the Tartaric Acid. 



115. January lOth, 1843. Meteorological Observations, 

 at Manchester, made in the year 1842. 



116. April 16th, 1844. On the Fall of Rain, &c., &c., 

 in Manchester, during a period of 50 years. 



Some of these were embodied in other works or printed 

 elsewhere. 



In Nicholson's Journal. 



New Theory of the Constitution of Mixed Gases eluci- 

 dated. Vol. III., p. 267. November 18th, 1802. 



Letter from Mr. Dalton, containing Observations concern- 

 ing the Determination of the Zero of Heat, the Thermome- 

 trical Gradation, and the Law by which dense or non-elastic 

 Fluids expand by Heat. Vol. V., p. 34. April 20th, 1803. 



Correction of a mistake in Dr. Kirwan*s Essay on the State 

 of Vapour in the Atmosphere. Vol. VL, p. 118. August 

 22nd, 1803. 



On the supposed Chemical Affinity of the Elements of 

 Common Air; with Remarks on Dr. Thomson's Observa- 

 tions on that subject. Vol. VIII., p. 145. June 16th, 1804. 



Observations on Mr. Gough's Strictures on the Doctrine 

 of Mixed Gases, &c. Vol. IX., p. 89. September8th, 1804. 



Facts tending to Decide the Question at what Point of 

 Temperature Water possesses the greatest Density. Vol. X., 

 p. 93. January 10th, 1804. 



Extract of a Letter from Mr. J. Dalton : On a remarkable 

 Aurora Borealis. Vol. X., p. 303. March 12th, 1805. 



