Referee's report by William John Macquorn Rankine, on a paper 'On the joint-systems of Ireland and Cornwall, and their mechanical origin' by Samuel Haughton Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Considers the conclusions of the author to have been arrived at independently be previous researchers, namely Eaton Hodgkinson and 'Reverend Canon Moseley [Charles Moseley Nelson?]. Suggests the author become acquainted with, and reference, the work of the previous authors. Subject: Geology [Published in the Philosophical Transactions of the Royal Society, 1864] 14 June 1864