]90 SURVEY OF TH? INTERTROPICAL ?s?o. The variatio? observed by Captain'Cook ot? J? if. Mount Upstart .was 9 � but by an Azimuth observed by me close to the Cape, it was found not more than 6 �' E. The result of Captain Cook's observation must therefore be attri? to some other cause than, as he supposed, to a magnetical power in the hills of thi? promontory. ?s. At daylight of the 13th, we passed within four mile? of the extremity of Cape Bowlin?green, ' which, although it is very low and sandy, is not destitute of wood or verdure; between Cape Bowling-green and the back mountainous rang?, a distance of nearly thirty miles, the country 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 southwaxd without the tropic. Indeed, this bay appearM to be equally pro- raising 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 unintermptedly continued from the back of Cape Palmerston, a distance of 150 miles, here
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