Paper, 'Observations on the nebulæ' by the Earl of Rosse [William Parsons] Subject: Astronomy Published in Philosophical Transactions as 'Observations on the Nebulæ'. Received by the Royal Society on 19 June 1850. Read 20 June 1850. 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. [1850]