CONTENTS 
OF 
No. VI. 
Page 
Art. I. Account of the Correspondence between Mr Park 
and Mr Maxwell, respecting the Identity of the 
Congo and the Niger. By the Rev. Wm. Brown, 
D. D. Minister at Eskdalemuir. Communicated 
by the Author. Continued from p. 114. No. V. 205 
II. Notices respecting the Himalaya Mountains, and the 
Sources of the Jumna and the Ganges, &c. By 
James Baillie Fraser, Esq. - - 219 
ill. On the Deoxidation and Reduction of Iron-Ores. By 
David Mushet, Esq. Communicated by the Au- 
thor, - _ - 2S0 
IV. Observations on Ice-Bergs, made during a short Ex- 
cursion in Spitzbergen. By Thomas A. Latta, 
M. D. - - - 237 
V. On the Phenomena of Dichroism, or the Absorption 
of Common Light by Crystallised Bodies. By David 
Brewster, LL. D. F.R. S* Lond. and Sec. R. S. Ed. 243 
VI. On the Thermometer, as an indicator of a Ship’s ap- 
proach to Land or Soundings, with extracts from a 
Thermometric Journal kept on board the ship Asia 
of Scarborough, on a Voyage from New Orleans to 
Gibraltar, in August, September and October 1818. 
By Mr Andrew Livingston, - 247 
VII. Notice respecting the Archipelago of John Potocki. 
By M. Julius Von Klaproth, Aulic Councillor to 
the Emperor of Russia, - - 253 
VIII. On Isothermal Lines, and the Distribution of Heat 
over the Globe. By Baron Alexander de Hum- 
boldt. Continued from Vol. III. p. 20. - 256 
