Land and fresh water mollusks / by William H. Dall. Hydroids / C.C. Nutting.

  • William Healey Dall
Date:
[1910]
Catalogue details

Licence: In copyright

Credit: Land and fresh water mollusks / by William H. Dall. Hydroids / C.C. Nutting. Source: Wellcome Collection.

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    [Proc. Wash. Acad. Sci., Vol. Ill, PI. XVII.] Fig. i. Clytia caliculata (Hincks). Single hydrotheca (enlarged). 2. Another hydrotheca (enlarged). 3. Clytia compressa (Clark). Hydrothecae (enlarged) showing different degrees of thickening of the hydrothecal walls. 4. Single gonangium (enlarged). 5. Campanularia ritteri Nutting. Part of colony (enlarged). [198] (216)
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