Hydrozoa from Cap Verde.<br><p>3. Specimen from St. Vincent with regenerated margin, magnification × 20<br>
4. Specimen from St. Vincent showing asymmetry, magnification × 20<br></p>
5. Specimen from Porto Prava, magnification × 20
James Ritchie
1907
<i>Proceedings of the Zoological Society of London</i> (<a rel="nofollow" class="external text" href="https://archive.org/details/proceedingsofzoo19074471121zool">vol. 1907 issue 3</a>, <a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofzoo19074471121zool#page/n80/mode/1up">plate XXIII</a>)