CONTENTS. '^ 



Notice of Ancient Moraines in the Parishes of §tracLur and Kilmun, 



Arffylesbire. Bv Charles Maclaren, Esq., F.R.S.E., . -<<^ 



On the Properties of the Ordeal Bean of Old Calabar, Western ^^^ 



Africa By Dr Christison, . 

 Experiments on the Blood, showing the effects of a few Therapeutic 

 Agents on that Fluid in a state of Health and of Disease. By 

 James Stark, M.D., F.R.C.P., . • •. ^,- ^*- 



Extracts from a Letter from E. Blackwell, Esq., containing Obser- 

 vations on the movement of Glaciers of Chamouni m Winter. 

 Communicated by Professor Forbes, . . ,' <. . o- 



On the Mechanical Action of Heat: -Supplement to the first bix 

 Sections and Section Seventh. By W. J. Macquorn Rankme, 

 Esq., C.E., F.R.SS. Lond. and Edin., . • • -°' 



On an Inaccuracy (having its greatest value about 1 ) m the usual 

 method of computing the Moon's Parallax. By Edward Sang, 

 V • • • ' 



On Annelid Tracks in' the Exploration of the Millstone Grits in 

 the South-west of the County of Clare. By Robert Hark- 

 ness, Esq., F.R.S.E., F.G.S., Professor of Geology, Queen s ^^^ 

 College, Cork, .••••" Iqq 



On Superposition. By Professor Kelland, . * t,, " 



On the Colouring Matter of the Rottlera tinctoria. By Thomas 

 Anderson, UJ)., Regius Professor of Chemistry in the University ^^^ 



of Glasgow, . • • „ ■ .,, A 1 '„„ 



Experiments on Colour as perceived by the Eye, with Remarks «„ 

 Colour-Blindness. By James Clerk Maxwell, Esq., B. A., i ri- 

 nity College, Cambridge. Communicated by Professor Gre- ^^^ 



NoS'of the Occurrence of British newer Pliocene Shells in the 

 Arctic Seas, and of Tertiary Plants in Greenlaiid. In a letter 

 from Dr Scoular of Dublin. Communicated by James Smith, ^^^^ 

 Esq., of Jordanhill, . . • ' .. e 't} ^c w„ 



Account of Experiments to ascertain the an^o""* "^^f *^- J^ ""• 

 Thomson's "Solar Refraction." By Prof. C. P.azzi Smyth, 302 



On the Extent to which the Theory of Vision requires us to regard 

 the Eye as a Camera Obscura. By Dr George Wilson . ^U^ 



Researches on the Amides of the Fatty Acids. By Ihomas H. 

 Rowney, Ph.D., Assistant to Dr Anderson. Communicated by Dr 



NoU^oTsome new Forms of" British 'Presh- Water Diatomace*. 

 By William Gregory, M.D., F.R.S.E., Professor of Chemistry, 



On Glacial Phenomena in Peebles and Selkirk Shires. By Robert 

 Chambers, Esq., F.R.S.E., . • , ' ™ ,. ' c ul „f 



Preliminary Notice on the Decompositions of the Platinum Salts ot 

 the Organic Alkalies. By Thomas Anderson, :M.D., Regius 

 Professor of Chemistry in the University of Glasgow, • 



On the Volatile Bases produced by Destructive Distillation of Un- 

 chonine. By C. Greville Williams, Assistant to Professor An- 

 derson, Glasgow University, . • • ' 



305 

 306 

 308 



309 



314 



