Sowerby, G. B. III. (1887). Second supplement to the monograph of the genus Voluta. in G. B. Sowerby II (Ed.), Thesaurus conchyliorum, or monographs of genera of shells. Vol. 5 (44): 297–[307], pls. 513–517. London, privately published. [July].
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Sowerby, G. B. III
1887
Second supplement to the monograph of the genus <i>Voluta</i>. in G. B. Sowerby II (Ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 5 (44): 297–[307], pls. 513–517. London, privately published. [July]