INDEX. 
420 
T 
Table of the temperature of springs, 2,9, — of the distribution of 
heat over the Globe, 32. — of the variation of the needle at Mel- 
ville Island, 197. — of the annual temperature of Melville Island, 
200. — of the land and sea rates of chronometers, 379/380.— of 
the weather at Graaf Reynet, 279* 
Talc , on the optical structure of, 5. 
Tapir of Malacca, 227. 
Tamm , on the kingdom of, 79* 
Temperature of the Globe, 28. — of springs, 29- — of various places on 
the earth’s surface, 32. — mean of Leadhills for ten years, 21 9, — 
mean of the German Ocean, 220. — mean at Carbeth, from 1817,- 
1820, 394. — of Melville Island, 201. — difference between that 
of sunshine and the shade, 202. 
Testudo, on the anatomy of the, 228. 
Tides in the Pentland Frith described, 55. — on the state of the, in 
Winter Harbour, 206. 
Topaz, on the distribution of the colouring matter in the, 217* 
Trengrouse , Mr, his rocket apparatus for saving lives in cases of 
shipwreck, 124. Note. 
Trigonella Feenum Grcecum, 369* 
Turtle in the Congo, 273. U, V 
Ure, Dr, on the composition of acetate of copper, 4. — his chemical 
dictionary, 224. 
Velocipede, account of a water one, 221. 
Venus, notice respecting, 388. 
Vidal , Lieut, on the difference between the land and sea rates of 
chronometers, 378. 
Violin and violincello, on a new method of playing upon both at 
the same time, 231. 
Virey, M. on the discoloration of coral ornaments, and the method 
of preventing it, 131. 
Volcano, account of a new one near Leiria, in Portugal, 406. — in 
the moon, 216. 
W 
Waddel, Mr Andrew, on a Chinese mangle, 73. — on the Chinese me- 
thod of making sheet-lead, 127* 
Waddel, Mr Alexander, on a new optical instrument, 143. 
Water, on the crystallisation of, 211, — on the action of, upon mag- 
nesia and its carbonate, by Dr Fyfe, 305. 
Water-spouts, description of, 39- — observed at sea, in voyages to and 
from India, 275. 
Weights and Measures, report of the commissioners for, 408. 
Whale Song, account of it, 181. 
Winds 5 state of the, in Winter Harbour, 206. 
Winter Harbour described, 188. 
Wood, carbonised, eruption of, at New Madrid, 404. 
Woods, on the increase of the weight of different kinds of, when im- 
in water, 20 6. 
Y 
YMifr, NM . on electro-magnetism, 391. 
\m\Dye for cloth, account of a new one, 128, 
lr, on the Phormium tenax, or New Zealand flax, 341. 
