. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 2. Cancellaria imbricata Watson, face (slightly oblique) and lateral views of radula plates on basal membrane, with apex of one plate further enlarged. Remarks. The Challenger obtained one specimen; the Pieter Faure 14 speci- mens (including the one recorded by Sowerby); three were taken alive. The apex of all the shells, including the juvenile of 13 mm., is more or less corroded. Although Watson said the aspect of the shell suggested an Admete, the presence of a radula shows that he placed the
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 2. Cancellaria imbricata Watson, face (slightly oblique) and lateral views of radula plates on basal membrane, with apex of one plate further enlarged. Remarks. The Challenger obtained one specimen; the Pieter Faure 14 speci- mens (including the one recorded by Sowerby); three were taken alive. The apex of all the shells, including the juvenile of 13 mm., is more or less corroded. Although Watson said the aspect of the shell suggested an Admete, the presence of a radula shows that he placed the species in the correct genus. Cancellaria bifasciata Desh. 1859. Chenu. Man. Conchyl., i, p. 277, fig. 1845. Umbilicus narrowly open. Aperture longer than spire. Whorls rounded, suture deep, but visible laterally. Protoconch 2 whorls, smooth. Postnatal whorls 3J; at first spirally lirate, then growth-lines becoming stronger and forming numerous axial riblets on 2nd and first part of 3rd whorl, producing a cancellate sculpture; but on body whorl becoming again subordinate to the spiral lirae; the latter c. 11 on body whorl, with a fine intermediary between each of the upper 3 or 4 pairs of main lirae; c. 16 additional lirae on base, very regularly arranged. Columella with 3 pleats. Aperture oval, no canal. 24 X 14 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
