Thomas Stewart Traill was a British physician, chemist, meteorologist, zoologist and professor of medical jurisprudence. He was well known through his involvement in the Roscoe circle and the British
Thomas Stewart Traill, 1827 portrait
William Elford Leach was an English zoologist and marine biologist.
Illustration from Adam White's A Popular History of British Crustacea, 1857, showing three genera of crustacea named by Leach as anagrams of Carolina: Cirolana, Conilera and Rocinela