Referee's report by Henry John Stephen Smith, on a paper 'Second memoir on plane stigmatics' by Alexander John Ellis Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. The paper is a continuation of an earlier paper by the same author. Refers to work by Chaslis [James Challis?] and August Ferdinand Möbius. Considers some of the paper to be controversial in nature. Suggests a mathematical journal may be a more suitable place for publication. Subject: Mathematics [Published in the 'Proceedings of the Royal Society of London'] 8 September 1866