…for, until some great revolution in nature or some great and gradual human exertion takes place, it must ever prove the "white man's grave," of which we have many lamentable proofs in the deaths of so many worthy and adventurous spirits who have fallen victims to research and humanity—Park, Peddie, Buchardt, Lander, Lang, Clapperton, Denham, Cooper, Thompson, &c. &c. &c.—all fallen through ferocity, treachery, or climate…