1. Smith, J. E., J. Mar. Biol. Assoc. U.K., 18, 243 (1932).
2. Mar. Biol. Assoc., “Plymouth Marine Fauna”, 3rd edit. (Plymouth, 1957).
3. Sars, G. O., “Crustacea of Norway”, 2 (1897–98).
4. Bocquet, C., and Lévi, C., Arch. Zool. Exp. Gén., 92, N. and R., 116 (1955).
5. Spooner, G. M., J. Mar. Biol. Assoc. U.K., 38, 37 (1959).