Medusae of the world /
Mayer, Alfred Goldsborough,1868-1922.
Washington, D.C. : Carnegie Institution of Washington,
1910.
Includes indexes.
Paged continuously.
Each plate accompanied by leaf with descriptive letterpress.
v. 1-2 The Hydromedusae -- v. 3 The Scyphomedusae.
Jellyfishes.