Referee's report by Thomas Rupert Jones, on a paper 'Researches on the foraminifera - supplemental memoir. On an abyssal type of the genus orbitolites - a study in the theory of descent' by William Benjamin Carpenter Recommended for publication in Philosophical Transactions. It gives a 'clear and full description of an interesting form of orbitolites'. Subject: Physiology [Published in Philosophical Transactions, 1883]. 1883