Turbellaria ...
By: bearb. von Ludwig von Graff ...
Series: Das Tierreich -- 23. Lfg.
Publisher: R. Friedländer und Sohn
Published: 1905
Place of publication: Berlin
Language: ger
Subjects: Turbellaria.
Table of contents: value: i. Acoela.; value: ii. Rhabdocoelida.