The medusae of the British Isles.
Russell, Frederick S.(Frederick Stratten),1897-
Cambridge, Eng. : University Press,
1953-1970.
v.1. Anthomedusae, Leptomedusae, Limnomedusae, Trachymedusae and Narcomedusae.--v.2. Pelagic Scyphozoa with a supplement to the first volume on Hydromedusae.
Jellyfishes.
Coelenterata