The Atoll of Funafuti, Ellice group : its zoology, botany, ethnology and general structure based on collections made by Charles Hedley of the Australian Museum, Sydney, N.S.W.
Scala Ovalis, Sowerby
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Scala Ovalis, Sowerby.
Tryon, op. cit., p. 69, pl. xiv., fig. 40.
With doubt I refer here a species obtained on the lagoon shore.