0 
460 INDEX. 
Strontites found in Faroe, 213. 
Sumatra^ on the natural history of, 211. 
SwainsoTij Mr, his Zoological illustrations, 209* 
Tartary y central, on two volcanoes in, 156. 
Telegraph, electro-magnetic one described, 4S|5. 
Telescope, on a large reflecting one, made by Mr Ramage of Aber- 
deen, 425. 
Temperature of the southern and northern hemisphere compar- 
ed, 262. — of the ocean, 267. — of the upper atmosphere, 269.-— 
of the Arctic Regions, 193, 422. 
Titanium, ores of, their new localities in Scotland, 214. 
Traill, Dr, his account of Scott’s route in Africa, 1, 225, — on the 
specific gravity of sea- water, ] 85. — on the mineralogy of Halkin 
Mountain, 246. 
Transactions of the Royal Society of Edinburgh, vol. ix., part 1 ., 
analysed, 417* . 
U 
Ulloa d’, Don George Juan, his theory of the resistance of fluids de- 
fended, 316. 
V 
Variation of the needle in New Holland, 177- — diurnal variation, 
199. — cause of the diurnal variation, 435. — ^general view of 
the variation at Bushey Heath, 188. 
Varnish used in Bengal, 450. 
Vesta and Ceres, geocentric places of, 433. 
Venturis experiments on the motion of camphor on water, 389. 
Volcanoes of Auvergne, 89^ 300.— -in central Tartary, 156, 
of mud in Trinidad, 419. 
' in the moon, 429* 
W 
Watts, Mr W. on the resistance of fluids, 315, 
Werner, historical eloge of, 1. 
Wernerian Natural History Society, proceedings of, 194, 426. 
Wollaston on sounds inaudible to certain ears, 158. — on electro- 
magnetism, 435. 
Y 
Yule, Lieutenant-Colonel, description of his apparatus for dischar- 
ging ordnance, 374, 385. 
n 
12 
P. Neill, Printer. 
