vi CONTENTS. 
VII. On the Education of James Mitchell, the young Man 
born Blind and Deaf. By Henry Dewar, M. D. 
F. R. 8S. Edin. - Page 
VIII. On the Optical Properties of Mur iate of Soda, Fluate 
of Lime, and the Diamond, as exhibited in their 
action upon Polarised Light. By David Brewster, 
LL. D: & F-R.S. Tan & Edin. and F. A. S. 
Edin. - - 
1X. On a New Optical and Mineralogical Piety of 
Calcareous Spar. By David ic watzr, LL. D. 
F. R. S. Lond. & Edin. and F. A. 8. Edin. 
X. On the Ancient Geography of Central and Eastern 
Asia, with Illustrations derived from Recent Dis- 
coveries in the North of India. By Hugh Mur- 
ray, Esq. F. R. 8. Edin. - = 
XI. An Analysis of Sea-Water ; with Observations on the 
Analysis of Salt-Brines. By John Murray, M. D. 
F. R. 8. Edin. = 4 
XII. Elementary Demonstration of the Composition of Pres- 
sures. By Thomas Jackson, LL. D. F. B.S. 
Edin. and Professor of Natural Philosophy in the 
University of St. Andrew’s, - o 
XIII. Account of the remarkable Case of Margaret Lyall, 
who continued in a State of Sleep nearly Six 
Weeks. By the Rev. James Brewster, Minister 
of Craig. Communicated by Dr Brewster, 
XIV. A General Formula for the Analysis of Mineral Wa- 
ters. By John Murray, M.D. F. B.S. Edin. 
137 
157 
165 
171 
205 
245 
249 
259 
{Part 
