Referee's report by Andrew Crombie Ramsay, on a paper 'Addition to the paper on 'Volcanic energy: an attempt to develop its true origin and cosmical relations' by Robert Mallet Referee feels they cannot provide a definitive answer regarding publication of the paper. The paper should be referred to 'a professed physicist', rather than an 'ordinary geologist' like himself. Subject: Geology'Physics [Published in Philosophical Transactions, 1875]. 16 June 1874