600 
INDEX, 
Page 
o 
Ocean, its temperature at great depths, l64; its under 
currents, 170 ; its phosphorescence, - 171 
Opal, on the formation of, by Professor Jameson, - 556 
Orkney, account of Primitive Rocks near Stromness in, 
by Mr G. Anderson, - - -173 
Osbeckia, description of the genus, - 292 
Owl, Snowy, Mr Edmondston's observations on, - 157 
p 
Paradisea, specific characters proposed by Mr Macgilli- 
vray, applied to some species of the genus, - 53 1 
Peacock, wild, not uncommon about Banda, - 27 
Peak, Adam's, account of an ascent of, by Messrs Sawers 
and Marshall, - - S96 
Peat-moss in the Island of Foula, - - 245 
Phascum, description of the genus, - - 140 
Phosphorescence of the Sea, - - 171 
Pitch, Mineral, fountains of, near the Great Bear Lake 
River, - - 23 
Pleroma, description of the genus, - - 293 
Polyandrism, account of, as practised by the natives of 
Ceylon, - - - 423 
Porphyries of Germany, account of the, 102 ; considered 
as of igneous origin, - 104 
Porpoises, ascend Mackenzie's River from the Arctic Sea, 22 
Procellaria pelagica, breeds in Foula, - 249 
Puffin, numerous in the Island of Foula, - 249 
Puma, Dr Traill's description of the, = - 473 
R 
Register of the Weather, at Clunie, - - 74 
, of ditto, on the summit of Foula, - 252 
Remains, Fossil, of the Elephant in Scotland, 58 ; of 
