HISTORY OF THE ATOMIC THEORY. 257 



55. December 13th, 1816. An Appendix to the Essay 

 on chemical compounds of Azote and Oxygen. 



56. October 3rd, 1817. On Phosphurets, or the combina- 

 tions of Phosphorus with Earths, Alkalies, Metals, &c. 



57. November 21st, 1817. Observations on Oxides and 

 Sulphurets. 



58. November 13th, 1818. Observations on the Quantity 

 of Rain during the last Twenty-five Years; with Remarks 

 on the Theory of Rain. 



59. December 11th, 1818. Summary of Observations on 

 the Barometer and Thermometer, made at Manchester for 

 the last 25 years. 



60. January 8th, 1819. Experiments on the Force of the 

 Vapour of Ether, to show the fallacy of some of Dr. Ure's 

 Statements just published in the Philosophical Transactions. 



61. April 16th, 1819. On Sulphuric Ether. 



62. October 15th, 1819. On Alloys, particularly those of 

 Copper and Zinc, and Copper and Tin. 



63. November 12th, 1819. On Amalgams, and other 

 Metallic Alloys. 



64. December lOth, 1819. A Chemical Analysis of the 

 Mineral Waters of Buxton. 



65. October 6th, 1820. On Oil, and the Gases obtained 

 from it by heat. 



66. December 1st, 1820. On Alum. 



67. January 26th, 1821. On Meteorology, or observations 

 on the Weather for the years 1819 and 1820, in Manchester. 



68. February 9th, 1821. Observations on Meteorology, 

 particularly with regard to the Dew point, &c., or quantity of 

 Vapour in the Air. 



69. October 5th, 1821. Some observations on the Salts 

 and Sulphurets of Iron. 



70. November 30th, 1821. On the Effects of continued 

 Electrification on compound and mixed Gases. 



71. December J 3th, 1822. On the Saline Impregnations 



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