Letter, from Sir Charles Lyell to Sir John Herschel, dated at 53 Harley St. Autograph letter signed by sender. Has ordered that a copy of his new 6th edition of the Elements [of Geology] should be sent to John Frederick William Herschel. He wants the drawings of the earth pillars for the 10th edition of his Principles dealing with the effect of rain. John Frederick William Herschel's drawing made a great impression on him. 16 February 1865