CONTENTS 
OF 
No. VIII. 
Page 
Art. I. Account of the Captivity of Alexander Scott, among 
the Wandering Arabs of the Great African Desert, 
for a Period of nearly Six Years. Drawn up by T. 
S. Traill, M. D. F. R. S. E. (Continued from p. 54. 
and concluded), - 225 
II. Observations on the Geography of Mr Scott’s Routes in 
North Africa. By Major Rennell, F. R. S. &c. &c. 235 
III. Remarks on the Currents between the Parallels of Cape 
Finisterre and the Canary Islands, which may be 
supposed to have carried the Montezuma out of her 
, course. By Major Rennell, F. R. S. &c. &c. 241 
IV. On the Submarine Current at the Strait of Gibraltar, 
and at the Sound near Elsinore, - 243 
V. Observation on the Mineralogy of Halkin Mountain, in 
Flintshire ; with a particular account of the recently 
discovered Buhrstone and Porcelain-Clay of that 
place. By Thomas Stewart Traill, M. D. F. R. S. E. 
M.G.S. &c. - - - 246 
VI. On Isothermal Lines, and the Distribution of Heat 
over the Globe. By Baron Alexander de Hum- 
boldt. (Continued from Vol. IV. p. 37-) - 262 
VII. Description of a Machine for raising Stones. By Da- 
vid Low, Esq. - - - 281 
/VIII, Analysis of Mr Scoresby’s Account of the Arctic Re- 
gions, being a Translation of the Official Report of 
MM. Rossily and Rossel to Baron Portal, Minister 
of the French Marine, - - 285 
IX. Account of the Recent Magnetical Discoveries of Pro- 
fessor Hansteen. Being the substance of a Letter 
from Professor Hansteen to M. Rumker, Director 
of the Nautical Academy of Flamburgh, - 295 
X. On the Ancient Volcanoes of Auvergne. By Charles 
Daubeny, M. D. M. G. S. and Fellow of Magdalene 
College, Oxford, - - . 300 
