American hydroids /
Nutting, Charles Cleveland
American hydroids / By Charles Cleveland Nutting. - Washington : Govt. Print. Off., 1900. - 325 : ill. ; 38 cm.
Part I: The Plumularidae At head of the title: Smithsonian Institution. United States National Museum Special Bulletin
American hydroids / By Charles Cleveland Nutting. - Washington : Govt. Print. Off., 1900. - 325 : ill. ; 38 cm.
Part I: The Plumularidae At head of the title: Smithsonian Institution. United States National Museum Special Bulletin