Manual of conchology, structural and systematic Volume 11; with illustrations of the species - Tapa blanda

Sinopsis

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 Excerpt: ...Eoena Gould. Vol. IX, PI. 6, figs, 22, 23; vol. XI, pl. 37, f. 13. Shell minute, low ovate-conic, thin, amply umbilicated, ashy white, pearly beneath; whorls 6, convex, the last obtusely angular, each one encircled by 4 sharply-compressed well-elevated ribs the two uppermost of which arc beaded; interspaces concave, smooth, with a single groove near the margin of the umbilicus; the latter occupies j of the base, is tunnel-shaped, penetrating to the apex, its sides excavated on each whorl, the verge of whjch is crenulated; aperture nearly circular, slightly encroached upon by the inflection of the columella; lip simple; interior pearly. Alt. 1, diam. 3-10 inch. (Gould.) New Zealand. Solarium egenum Gould, Proc. Bost. Soc. N. H. iii, p. 84 (1868); U. S. Expl. Exped. Shells, p. 196, atlas, fig. 226.--Monilea zelandica Hutton, Cat. Mar. Moll. N. Z. (1873).--Margarita zelandica Hutton, Sowb, in Conch. Icon., Monog. Margarita, f. 17.--Monilea egena Hutton, Proc. Linn. Soc. N. S. Wales, 1884, p. 365.--Torinia egena Marshall in Tbyon, Manual of Conchology, ix, p. 22, t. 6, f. 22, 23. I have not seen this shell. I follow Prof. Hutton in referring it to Monilea. PI. 37, fig. 13 is the Margarita zelandica of Sowerbv. Unfigured species of Monilea. M. Turbinata Tenison-Woods. Shell turbinately conical, perspectively umbilicate to the apex, fleshy whitish, clouded with pale brown spots and streaks; whorls 6, rounded, obtusely ungulate and subcanaliculate above, spirallv sulcate, and girdled with numerous (about 12) lira' alternating great and small; suture impressed; apex obtuse and pearly; last whorl angulate at the periphery; base convex, 1 irate and transverselv slenderly spirallv striate; aperture transversely ovate; lip thickened and nacreous, lirate within; columel...

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