428 
INDEX. 
Vacmm, on the caloric of a, SOI. 
Venus, observations on, 191* 
Violin, method of playing on it and the violincello with the feet, 194. 
Vishnu, on the golden image of the Idol, 203. 
Vision of Bees, observations on the, 67- 
Volcano, account of the smallest in the world, S49. 
Volcanoes of Auvergne, account of, 359* 
Volcano in Sumbawa, 389* 
W 
Wahlenberg s geology of Sweden, 407* 
Wallace, Professor, on the quadrature of the conic sections, 395, 
Water, on the compressibility of, 196* 
of the globe, on the diminution of the, 408. 
Water-pressure Engine, account of Mr Dickson’s new one, 176. 
Water-Main, account of Mr Watt’s flexible one, 60. 
Water-Wheels driven by jets of water, 195. 
Watt, Mr G. on submarine groves of fir-trees in Orkney, 100. 
Watts, Mr W. on the length of the pendulum, in reply to the Quarter- 
ly Journal, 27* — on the ellipticity of \he earth, 288. 
Weisshorn, descent of the glacier of, 274. 
Wernerian Natural History Society, proceedings of, 183. 
Whewell, Mr, on the position of the apsides of orbits of great eccen- 
tricity, 147. 
Wolga, on the fall of the, 408. 
Wood, luminous property of, when steeped in lime, &c. 343. 
Wootz, method of making, 405. 
Y 
Zimome, account of, 198. 
END OF VOLUME THIRD. 
P. Neill, Printer, 
