Comprehensive Description

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“1. Sigaretus ?1 DREWI, n. sp. Pl. XVI, Fig. 1.



Shell large, subglobose, ornamented with close, delicate, slightly undulating spiral lines, a somewhat stronger riblet at irregular distances; whorls 5, spire small, the whorls slightly rounded, first two polished, body-whorl large and rounded; aperture ovate, a little produced anteriorly; columella slightly curved, callous and reflected, almost concealing the narrow chink-like umbilicus, outer lip thin. Length 39, breadth 34 mm.


Form and Loc.—Pliocene, sand and blue clay: Wanganui (Drew).


Type.—Wanganui Museum.


This species differs from S. undulatus, Hutton,2 in its larger size, stouter shell, and less anteriorly produced aperture; in sculpture they are much alike. I name the species after my friend Mr. S. H. Drew, Hon. Curator, Public Museum, Wanganui, who, by systematic collecting, has added much to our knowledge of the Pliocene fossils of this district.


1 [In attributing this shell to the genus Sigaretus the author has evidently followed Hutton, and owing to the impossibility of communicating with him in time for publication we have left it so, merely adding a ‘?,’ but it is evidently nearer to Ampullina.-ED. MALAC. SOC.]


2 Trans. New Zealand Inst. vol. xvii (1885), p. 318, pl. xviii, fig. 11: for a better figure see Macleay Memorial Vol. (Linn. Soc. New South Wales), pl. vii, fig. 41.”




(Murdoch, 1899: 320)



Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© National Museum of Natural History, Smithsonian Institution

Source: Antarctic Invertebrates Website (NMNH)

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