On the occurrence of a supposed Australasian hydroid (sertula elongata) in the North Sea
By: by James Ritchie.
Contributors: Royal Physical Society of Edinburgh.
Publisher: published by Robert Grant & Son
Published: 1907
Place of publication: Edinburgh
Language: eng
Number of pages: 83
Subjects: Hydroida -- Australia.; Hydroida -- North Sea.; Hydroida -- Classification.
Genres: Classification.
Notes: From head of cover title: "Reprint from the Proceedings of the Royal Physical Society of Edinburgh, Session 1906-1907. Vol. XVII. - No. 2".

Cover title.