Autograph Letter in the third person from Edward Henry Stanley, 15th Earl of Derby, to the Secretary of the Royal Zoological Society [Philip Lutley Sclater], enquiring as to 'which steps are necessary to be taken' to become a member.

1p., 12mo. With mourning border. (On his father' sdeath in October Derby had acceded to the title.) The letter reads: 'Lord Derby presents his compliments to the secretary of the Royal Zoological Society, and beign desirous of becoming a member of that body, would be much obliged to the secretary if he would inform him which steps are necessary to be taken for that object.'