Read it through once

This was the handsome offer with which Mr. Grimwig backed and confirmed nearly every assertion he made; and it was the more singular in his case, because, even admitting for the sake of argument, the possibility of scientific improvements being brought to that pass which will enable a gentleman to eat his own head in the event of his being so disposed, Mr. Grimwig’s head was such a particularly large one, that the most sanguine man alive could hardly entertain a hope of being able to get through it at a sitting--to put entirely out of the question, a very thick coating of powder.