Carter became interested in the study of the Coleoptera (beetles and weevils), he joined the Linnean Society of New South Wales and was a member of its council from 1920 to 1939, and its president in 1925–1926. He was joint editor of The Australian Encyclopaedia which was published in 1925–1926.
Carter became interested in Coleoptera (beetles and weevils), joined the Linnean Society of New South Wales, served on its council from 1920 to 1939, and was president during 1925–1926. He co-edited The Australian Encyclopaedia published in 1925–1926.