Letter from Major Campbell.
As for the charge that the signature in these photographs mispells the name—Dalhgren instead of Dahlgren—we have only to say that this is not true. An examination shows clearly that the signature is U. Dahlgren, and that the apparent difference is caused by the striking through of a letter on the reverse side of the paper on which the disputed document was written. The following letter from General J. A. Early, in transmitting a photograph copy to our office, makes this matter so clear that we insert it, although not intended for publication: