 He was a member of the Conchological Society of Great Britain and Ireland from 1913 onwards, serving as President (1930–1931).His paper on British marine mollusca, his presidential address, was the most cited of his many writings, which were mainly on British and Indian mollusca.He became a member of the Malacological Society of London in 1919, later becoming its editor, and serving as President (1939–1942).