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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.
Cypæa moneta, var. Annulus, Linne
Cypæa moneta, var. Annulus, Linne.
Occurred as usual in company with the species in chief, with which, like G. obvelata, and contrary to the opinion of monographers, it intergrades by easy stages.