260 MEMOIR OF DB. DALTON, AN0 



99. October 17th, 1834. Observations on certain Liquid* 

 obtained from Caoutchouc by Distillation. 



100. December 26th, 1834. Observations on the various 

 accounts of the Luminous Arch or Meteor accompanying the 

 Aurora Borealis of November 3rd, 1834. 



101. February 20th, 1835. Account of Meteorological 

 Observations, made in Manchester and other places, in 1834, 



102. October 2nd, 1835. Read a paper by Dr. Dalton. 

 (Subject not named in the Journal.) 



103. February 15th, 1836. An Account of Meteorological 

 Observations, made in Manchester and other places in 1835. 



104. October 2 1st, 1836. Sequel to an Essay on the 

 Constitution of the Atmosphere; read to the Society in the 

 year 1825. Part 1. 



105. November 4th, 1836. 2nd Part of a paper entitled 

 " Sequel to an Essay on the Constitution of the Atmosphere." 



106. October 2nd, 1838. On Arseniates and Phosphates. 



107. February 5th, 1839. Some Account of Meteoro- 

 logical Observations, made in Manchester, in the years 1836- 

 37-38. 



108. October 1st, 1839. On the Ammoniaco-Magnesian 

 Phosphate, as it was formerly called ; or the Tribasic Phos- 

 phates of Magnesia and Ammonia, as Professor Graham has 

 called it. And on the Phosphate of Soda and Ammonia, or 

 Microscopic Salt, as it was formerly called; and now Tribasic 

 Phosphate of Soda and Ammonia and Water, of Professor 

 Graham. 



109. March 31st, 1840. On the Quantity of Acids, Bases, 

 and Water in the different varieties of Salts; with a New 

 Method of Measuring the Water of Crystallization. 



110. April 28th, 1840. Some Account of Meteorological 

 Observations, made in Manchester, in the year 1839. 



111. October 6th, 1840. Continuation of a paper On 

 the Quantity of Acids, Bases, and Water in the different 

 varieties of Salts. 



