A History of the County of Somerset
… Crustacea, p. 178. Fossil Estheri, Palontographical Society, p. 67 (1862). Transactions of the Linnan Society, vol. xxvi. pt. 2, p. 426 (1868). Loc. cit. Darwin, Monograph of Balanid, Ray Society, p. 253 (1854). …
