xvi CONTENTS. 
Some Account of the Persian Cotton Tree. 
By Matthew Guthrie, M.D. F.R.S. &c. &c. 
—Communicated by Dri Percival......----+-+-. p. 214 
Experiments and Observations on the Prepa- 
ration and some remarkable Properties of the 
Oxygenaied Muriat of Potash. By Thomas 
Hoyle, jun. BP. ese erat Sie a iE RA p. 221 
Experiments and Observations on Fermenta- 
tion and the Distillation ue Ardent Spirit. By 
Joseph Collier ere cee ce ie esnceegaemvecaposens p-. 243 
Hints on the Establishment of an Universal 
wriiien Character. In a Letter to the Rev. 
Dr. John Kemp. By William Brown, M. D. 
—Communicaied by Dr. Holme...+.2.seeneeee- P- 275 
On the Process of Bleaching with the oxyge- - 
nated muriatic Acid; and a Description of a 
new Apparatus for Bleaching Cloths with that 
Acid dissolved in Water, without the Addition 
of Alkali. By Theophilus Lewis Rupp. ---- p. 298 
Account of a remarkable Change of Colour in 
a Negro. By Miers Fisher.—Exiract of a 
Letter from Mr. James Pemberton to Mr. 
Thomas Wilkinson.—Communicated by Dr. 
I Fenn rnncench die iah na eR nceseneyeeneae p. 314 
