. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CONTRIBUTIONS TO KNOWLEDGE OF MARINE MOLLUSGA 171 Euthria queketti Smith Figs. 3i(»), (j), 33 1901. Smith. J. Conch., x, p. no, pi. 1, fig. 1. Not 1917. Cooke, loc. cit., p. 234, fig. 7 (radula, err. = Afrocominella). Protoconch 2| whorls, diam. 1 -5—1 *75, alt. 1-1*25 mm- (relatively lower and broader than in ponsgnbyi), smooth. Postnatal whorls 7; 1st whorl with 16-17 ri°s5 decreasing to 12 (11-13) on last whorl, but from about 3rd whorl onwards ceasing to be ribs, becoming nodules around the
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CONTRIBUTIONS TO KNOWLEDGE OF MARINE MOLLUSGA 171 Euthria queketti Smith Figs. 3i(»), (j), 33 1901. Smith. J. Conch., x, p. no, pi. 1, fig. 1. Not 1917. Cooke, loc. cit., p. 234, fig. 7 (radula, err. = Afrocominella). Protoconch 2| whorls, diam. 1 -5—1 *75, alt. 1-1*25 mm- (relatively lower and broader than in ponsgnbyi), smooth. Postnatal whorls 7; 1st whorl with 16-17 ri°s5 decreasing to 12 (11-13) on last whorl, but from about 3rd whorl onwards ceasing to be ribs, becoming nodules around the shoulder, increasing in prominence on later whorls; crossed by spiral lirae 4 on 1st whorl producing a clathrate sculpture, on 2nd only 2 lirae but numerous fine striae, which become very fine on 4th or 5th whorl and visible only above the shoulder, finally petering out, obscured by the growth-lines; base smooth, with growth-lines but only very faint indications of spiral lirae; shoulder at middle of whorl, profile above concave, below straight or slightly convex. Parietal callus dentiform, canal longer than rest of aperture, narrow, with nodule or angular ridge at its base, recurved, outer lip internally smooth. 55 X 24 mm. Smallest specimen seen 17-5 X 8-5 mm. Operculum broadly oval, nucleus apical, incurved, 14 X 8 mm. in 55 mm. shell. Creamy-white, irregularly suffused with. Fig. 33- 17-5 mm., with protoconch of E. ponsonbyi Sow. for comparison. brown, and with brown flames, shoulder nodules Euthria queketti Smith, juvenile pale, operculum deep amber-brown. Radula with c. 160 rows, central plate tri- angular, length a little less than basal width, with 3 cusps, the middle one longer than its neighbours, lateralplate with outer cusp larger than the inner. Off Durban, 40 fathoms [from fish stomachs] (Smith; also S. Afr. Mus. Ross-Frames coll.). Off Umhlangakulu River (Natal), 50 fathoms, 1 dead, 1 living; off Umhloti River (Natal), 40 fathoms, 1 juv.; off Cone Point and o
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
