. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CONTRIBUTIONS TO KNOWLEDGE OF MARINE MOLLUSCA 21 There is a tendency in some specimens for the tubercles to become obsolete on the later part of last whorl; in one specimen the tubercles cease abruptly (only 9 instead of 11 or 12), and the profile of this part of the whorl is evenly curved with scarcely any shoulder. The dimensions of the 3 largest specimens show that there are plump and slender individuals. Has been taken only from fish stomachs. Valuta queketti Smith Fig- 5 1901. Smith, loc. c
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CONTRIBUTIONS TO KNOWLEDGE OF MARINE MOLLUSCA 21 There is a tendency in some specimens for the tubercles to become obsolete on the later part of last whorl; in one specimen the tubercles cease abruptly (only 9 instead of 11 or 12), and the profile of this part of the whorl is evenly curved with scarcely any shoulder. The dimensions of the 3 largest specimens show that there are plump and slender individuals. Has been taken only from fish stomachs. Valuta queketti Smith Fig- 5 1901. Smith, loc. cit., p. 234, text-fig. 1903. Sowerby. Mar. Invest. S. Afr., ii, p. 226. 1922. Cooke, loc. cit., pp. 7, 10, fig. 6 (radula). Spire pointed, aperture i|-i| times spire. Protoconch 2J whorls, diam. 1*75-2 mm. Postnatal whorls 5. Axial ribs 19-21 on 1st whorl, decreasing to 11-14 on last whorl, extending from suture to suture and f towards base on body whorl, sharp, especially in juvenile, at top forming projecting points (especially sharp in juvenile), subcoronate and concealing the sunken suture, but rounded off on the last whorl leaving the suture exposed; numerous close- set spiral striae over whole whorl, becoming more widely separated on base, especially well marked at the tops of the ribs in juvenile. Columella pleats 6 (or 7), the upper one or two feeble, in the largest specimen 6 distinct pleats. Outer lip in largest specimen somewhat exsert, sharp edged. 51 X 22 mm. Operculum narrow-oval, 11 X 4*25 mm. in aperture 30 mm. of 51 mm. shell, nucleus a little distance from apex and nearer the outer than the inner Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
