Referee's report by Andrew Crombie Ramsay, on a paper 'Theoretical considerations on the conditions under which the (drift) deposits containing the remains of extinct mammalia and flint implements were accumulated, and on their geological age. - On the Loess of the valleys of the South of England, and of the Somme and the Seine' by Joseph Prestwich Recommended for publication in the 'Philosophical Transactions of the Royal Society'. The larger illustrations should be printed as engraved plates, and the smaller ones incorporated into the text as wood cuts. Subject: Geology [Published in the Philosophical Transactions of the Royal Society, 1864] 3 July 1863