CONTENTS. vi 
XVI. Notes on some of the Buddhist Opinions and Monuments of Asia, 
compared with the Symbols on the Ancient Sculptured “ Standing 
Stones” of Scotland. By Tuomas A. Wise, M.D., F.R.S.E. (With 
a Plate.) . : : ; é : : é 
XVII. On Superposition. By the Rev. Pamir Kewtanp, M.A., Professor 
of Mathematics in the University of Edinburgh. (With a Plate.) 271 
XVIIL. Experiments on Colour, as perceived by the Hye, with Remarks on 
Colour-Blindness. By Jamus CLERK Maxwet, B.A., Trinity 
College, Cambridge. Communicated by Dr GREGORY. (With a 
Plate.) - ; : : é : : Ba = 13) 
XIX. Researches on the Amides of the Fatty Acids. By Tuomas H. Row- 
ney, Ph.D., F.C.S., Assistant in the College Laboratory, Glas- 
gow, : : ‘ : ; : . . 299 
XX. On the Volatile Bases produced by the Destructive Distillation of 
Cinchonine. By C. GREVILLE WILLIAMS, Assistant to Dr ANDER- 
_ SON, University of Glasgow, : : : : 2 309 
XXI. On the Extent to which the received Theory of Vision requires us to 
regard the Eye as a Camera Obscura. By GzorcE WILSON, M.D., 
F.R.S.E., Director of the Industrial Museum of Scotland, . 327 
XXIL. On Errors caused by Imperfect Inversion of the Magnet, on Observa- 
tions of Magnetic Declination. By Wiu1am Swan. (With a 
Plate.) 349 
PART III. (1855-6.) 
XXIII. On a Problem in Combinations. By the Rev. Puttip KELLAND, 
M.A., Professor of Mathematics in the University of Edinburgh, 359 
XXIV. On Solar Light, and on a Simple Photometer. By Muneo Ponton, 
Esq., F.R.S.E., . : . 363. 
