St. Helena Seaperch
G.H.Ford
1868
<i>Proceedings of the Zoological Society of London</i> (<a rel="nofollow" class="external text" href="https://archive.org/details/proceedingsofgen68zool">vol. 1868</a>, <a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofgen68zool#page/n281/mode/1up">plate XVIII</a>)