Lumbricus rubellus cocoon (Illustration)
Vejdovský, Frantisek
between 1888 and 1892 <div style="display: none;">date QS:P,+1850-00-00T00:00:00Z/7,P1319,+1888-00-00T00:00:00Z/9,P1326,+1892-00-00T00:00:00Z/9</div>
Entwicklungsgeschichtliche untersuchungen. Mit atlas. Tafel XX, <a rel="nofollow" class="external free" href="https://www.biodiversitylibrary.org/page/32726328">https://www.biodiversitylibrary.org/page/32726328</a>