At six o'clock in the evening of the first day of March, in the year of Grace, 1898, Abel Death, a man of middle age, with a face appropriate to his name--which should never be given to any living human being--was sitting at his desk, employed in the task of writing the last of a number of letters, in accordance with the instructions of his employer, Mr. Samuel Boyd, of No. 6, Catchpole Square, in the North district of London. The letters all referred...