Paper, 'Aµóρфωτɑ. No 1, On a case of superficial colour presented by a homogeneous liquid internally colourless' by Sir John Frederick William Herschel Postscript dated 16 February 1845. Subject: Physics Published in Philosophical Transactions as ''Aμóρϕωτa, no. I.— on a case of superficial colour presented by a homogeneous liquid internally colourless'. Written by Herschel in Collingwood [Kent, England]. Received by the Royal Society on 28 January 1835. Read 13 February 1845. Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 5, 1851. 25 January 1845