[ William Carruthers, Scottish botanist. ] Autograph Letter Signed ('Wm Carruthers') to 'Dr Miller', regarding paying a visit with 'our stones'.

1p., 12mo. In good condition, on lightly-aged paper. He will have 'much pleasure in breaking our stones o'er again on Thursday', and will 'try & bring some sections with me - several specimens are in the lapidary's hands'. He ends by asking for confirmation of the hour at which he should call on him.