Volume 23, issue 1, February 1972

7 articles in this issue

Ein Beitrag zur Taxonomie der GattungChaetomorpha (Cladophorales, Chlorophyta)

Authors
- P. Kornmann
- Content type: OriginalPaper
- Pages: 1 - 31
A rapid spectrophotometric method for the determination of bromine in seawater and in the ash of marine algae

Authors
- P. Saenger
- Content type: OriginalPaper
- Pages: 32 - 37
Structure and function of the locomotory system ofPolyorchis montereyensis (Cnidaria, Hydrozoa)

Authors
- W. B. Gladfelter
- Content type: OriginalPaper
- Pages: 38 - 79
Untersuchung über den Wasserwechsel der Seeigel und seine Bedeutung für Atmung und Exkretion

Authors
- H. Fechter
- Content type: OriginalPaper
- Pages: 80 - 99
Les Didemnidae (Prochordata) d'Helgoland

Authors
- F. Lafargue
- Content type: OriginalPaper
- Pages: 100 - 116
Eine neueOphryotrocha-Art (Polychaeta, Eunicidae) aus Japan

Authors
- H. -D. Pfannenstiel
- Content type: OriginalPaper
- Pages: 117 - 124
Addendum
- Content type: Announcement
- Pages: 125 - 126