CONTENTS. 



PAGE 



Preface v 



CHAPTER 



I. General i 



II. Ancestry of the Society 6 



III. Dr. Percival 14 



IV. The Beginning of the Society, Laws, and First Members 22 



V. Dr. Percival's Writings and Early Sanitary Work in 



Manchester 36 



VI. Memoirs of the Society 74 



First Meeting, 75 ; Dr. Bell on Animal Heat, 76 ; Address, 

 by Mr. Thomas Henry, 78 ; Dr. Barnes on Affinity between the 

 Arts, 85 ; Life in Northern Latitudes, by Dr. Aikin, 86 ; 

 Taste and Morals, by Rev. Samuel Hall, 94 ; Bleaching, 98 ; 

 Dr. Martin Wall, 99 ; Mr. Bew on BHndness, lOO ; Longevity, 

 103 ; Economical Registers, by Mr. Wimpey, 105 ; on Diver- 

 sions, 106 ; Dr. Mainwaring, Dr. George Bell, 107. 



VII. The Three Henrys— Dr. Eason— The Masseys . . . 108 

 Thomas Henry, 108 ; Keeping Water Pure, 109 ; Chemical 

 Reasoning, on Dyeing, &c. ; Mortality in Manchester, by Thomas 

 Henry, 115; Dr. William Henry, 123; Dr. William Charles 

 Henry, 127 ; Dr. Eason, 127 ; James Massey, 130; Massey on 

 Saltpetre, 131. 



VIII. Essays and Lives in Vols. I.-IV 138 



Sensation and Perception in Vegetables ; Dr. Percival, 138 and 

 141 ; the Physiology of Plants, by Dr. G. Bell, 139; Grada- 

 tion in Man and Animals, by Mr. Charles White, 144 ; Mr. 

 Charles White, 151; Subterraneous Cavern in Paris, by Mr. 

 Thomas White, 154 ; Dr. Barnes ; College of Art and 

 Science, &c., 161 ; on Museums, 168 ; a Political Episode, 171 ; 

 Dr. John Ferrier, 1 74 ; Electricity among the Ancients, by 



