Benson, W. H. (1864). Descriptions of new species of Helix and Pupa from the colony of the Cape of Good Hope. Annals and Magazine of Natural History. (3) 13(78): 491–496.
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Benson, W. H.
1864
Descriptions of new species of <i>Helix</i> and <i>Pupa</i> from the colony of the Cape of Good Hope.