828 
Index . 
Vapour, the Equilibrium of, at a 
Curved Surface of Liquid, 63. 
Vision, Change of Apparent Colour 
by Obliquity of, 155. 
-Certain Phenomena applied 
in Solution of Difficulties connected 
with the Theory of, 355. 
-Experiments and Observa¬ 
tions on Binocular, 433. 
Vortex Motion, 575. 
Wardrop (James), Obituary Notice of, 
30. 
Whale, Great Fin, Preliminary No¬ 
tice of, 34. 
Whale, Sperm, Capture of, on the 
Coast of Argyllshire, 365. 
Wings, Physiology of, 336. 
Wires of same Metal, Currents pro¬ 
duced by Contact of, 788. 
Wyld (R. S.), Certain Phenomena 
applied in Solution of Difficulties 
connected with the Theory of 
Vision, 355. 
Young (James) on the Preservation 
of Iron Ships, 702. 
Ziphius cavirostris , 760. 
PRINTED BY NEILL AND COMPANY, EDINBURGH. 
