American hydroids ...
By: By Charles Cleveland Nutting ...
Series: Smithsonian Institution. United States National Museum. Special bulletin -- [no. 4]
Publisher: Govt. Print. Off.
Published: 1900
Place of publication: Washington
Subjects: Hydromedu
Table of contents: title: pt. I. The Plumularid℗æ.; title: pt. II. The Sertularid℗æ.; title: pt. III. The Campanularid℗œ and the Bonnevielli