Referee's report by William Thomson, Lord Kelvin, on two papers 'On the stresses caused in the interior of the earth by the weight of continents and mountains' by George Howard Darwin, and 'On the limit of the liquid state' by J B Hannay First paper - Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Possibly the best paper yet presented by the author. Subject: Physics and Chemistry, Geology [Published in the Philosophical Transactions of the Royal Society, 1882] Second paper - Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. The paper is logically and philosophically unsatisfactory. Suggests a supplement to the abstract already published in the Proceedings be produced, also for inclusion in the Proceedings. Subject: Physics and Chemistry [Published in the Philosophical Transactions of the Royal Society, 1882] 30 October 1881