9 public-domain matches

Cnidaria

Cover of A naturalist's rambles on the Devonshire coast

A naturalist's rambles on the Devonshire coast

Philip Henry Gosse

Cover of Anthozoa

Anthozoa

O. Carlgren

Cover of Die Armpolypen in den süssen Wassern um Regensburg

Die Armpolypen in den süssen Wassern um Regensburg

Jacob Christian Schäffer

Cover of Jellyfish and Polyps

Jellyfish and Polyps

Unknown author

Cover of On the co-existence of ovigerous and spermatic capsules on the same individuals of the hydra viridis

On the co-existence of ovigerous and spermatic capsules on the same individuals of the hydra viridis

Allen Thomson

Cover of Protozoa

Protozoa

Marcus Manuel Hartog

Cover of Seaside Studies in Natural History

Seaside Studies in Natural History

Elizabeth Cabot Cary Agassiz

Cover of Lehrbuch der speziellen Zoologie

Lehrbuch der speziellen Zoologie

Alfred Kaestner

Cover of Corals in a Changing World

Corals in a Changing World

Unknown author