190 
SURVEY OF THE INTERTROPICAL 
1819 . The variation observed by Captain Cook off 
ju^Tis. Mount Upstart was 9° E. ; but by an Azimuth 
observed by me close to the Cape, it was found 
not more than 6° 1 6' E. The result of Captain 
Cook’s observation must therefore be attributed 
to some other cause than, as he supposed, to a 
magnetical power in the hills of this promontory. 
13 . At daylight of the 13th, we passed within four 
miles of the extremity of Cape Bowling-green, 
which, although it is very low and sandy, is not 
destitute of wood or verdure ; between Cape 
Bowling-green and the back mountainous ranges, 
a distance of nearly thirty miles, the country ap- 
pears to rise gradually, and gave us reasonto regret 
that the nature of my instructions did not warrant 
our making a more particular examination of this 
part of the coast, for it appears to offer a much 
greater degree of interest and importance, than 
any part of the southward without the tropic. 
Indeed, this bay appeared to be equally pro- 
mising in its appearance with those near Mount 
Upstart; and the peculiar feature of Cape 
Bowling-green, jutting out into the sea between 
them, considerably increases the probability of 
there being more than one or two rivers of im- 
portance hereabouts. The barren range, whichhas 
almost uninterruptedly continued from the back 
of Cape Palmerston, a distance of 150 miles, here 
