<p>1. Caich üon Bufo. <br>
S. 168 II. 213. — W. B. u. S. C. Johnson- Leytoiistoiie pliot. <br>
2. Caich non Rana teinporaria L. <br>
S. 168 II. 31)0. - VV. B. u. S. C. Johnson - Leytonstone phot. <br>
3. Rana temporaria L. in Paarung. <br></p>
S. 168 u. 299. - F. W. Oelze phot.
Bibliographisches Institut Leipzig.; Brehm, Alfred Edmund; Heck, Ludwig; Hempelmann, Friedrich; Heymons, Richard; Marshall, William; Werner, Franz; Zur Strassen, Otto
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/biodivlibrary/6139667345">https://www.flickr.com/photos/biodivlibrary/6139667345</a>