Die Nemertinen des Golfes von Neapel Plate 4 text
Bürger, Otto, 1865-
1895
<a rel="nofollow" class="external free" href="https://www.biodiversitylibrary.org/page/33664761#page/22/mode/1up">https://www.biodiversitylibrary.org/page/33664761#page/22/mode/1up</a>