<ol><li>Centropus anselli</li>
<li>Dryoscopus coronatus =</li></ol>
J G Keulemans
1874
Proceedings of the Zoological Society of London 1874 (<a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofgen74zool#page/n296/mode/1up">web</a>)