American hydroids.
Series: Smithsonian Institution. United States National Museum. Special bulletin -- [no. 4]
Publisher: Govt. Print. Off.
Published: 1900
Place of publication: Washington
Language: eng
Subjects: Hydromedusae
Table of contents: title: pt. 1. The Plumularidæ.; title: pt. 2. The Sertularidæ.; title: pt. 3. The Campanularidæ and the Bonneviellidæ.