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DEDICATION.
vii
been so often traversed by the ablest navigators and men of science, that the most attentive diligence can scarcely glean any thing that has not already been the subject of investigation. In appearing before the Public under these disadvantages, I am at least certain of deriving one very high gratification, that of gratefully acknowledging the continued kindness I have received from you, Sir, since I first launched upon the world's wide waves; and should it ever be my good fortune to be engaged in any future project of dis-
covery,
A 4
