Copy letter from an unknown correspondent, to Messrs Dulau & Company Reminds them of the Royal Society's order of the 'Zeitschrift für Kristallographie und Mineralogie', with the request that they obtain back volumes at a reduced price if possible. If they have to go higher than the published price, they should inform the Society first. The particular volumes required are: 1-9 inclusive (1877-). 5 July 1888