<p>Full text description (in German) of:
</p>
<ul class="gallery mw-gallery-traditional"><li class="gallerybox" style="width: 155px"><div style="width: 155px">
			<div class="thumb" style="width: 150px;"><div style="margin:15px auto;"><a href="//commons.wikimedia.org/wiki/File:Haeckel_Batrachia.jpg" class="image"><img alt="Haeckel Batrachia.jpg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Haeckel_Batrachia.jpg/85px-Haeckel_Batrachia.jpg" decoding="async" width="85" height="120" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Haeckel_Batrachia.jpg/127px-Haeckel_Batrachia.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Haeckel_Batrachia.jpg/170px-Haeckel_Batrachia.jpg 2x" data-file-width="2323" data-file-height="3284"></a></div></div>
			<div class="gallerytext">
			</div>
		</div></li>
		<li class="gallerybox" style="width: 155px"><div style="width: 155px">
			<div class="thumb" style="width: 150px;"><div style="margin:15px auto;"><a href="//commons.wikimedia.org/wiki/File:Haeckel_frogs_with_labels.jpg" class="image"><img alt="Haeckel frogs with labels.jpg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Haeckel_frogs_with_labels.jpg/87px-Haeckel_frogs_with_labels.jpg" decoding="async" width="87" height="120" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Haeckel_frogs_with_labels.jpg/131px-Haeckel_frogs_with_labels.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Haeckel_frogs_with_labels.jpg/174px-Haeckel_frogs_with_labels.jpg 2x" data-file-width="2520" data-file-height="3468"></a></div></div>
			<div class="gallerytext">
			</div>
		</div></li>
</ul>
See there for English translation.
<bdi><a href="https://en.wikipedia.org/wiki/en:Ernst_Haeckel" class="extiw" title="w:en:Ernst Haeckel"><span title="German biologist, naturalist, philosopher, physician, and artist (1834-1919)">Ernst Haeckel</span></a>
</bdi>
1904
<i>Kunstformen der Natur</i> (1904), plate 68: Batrachia