Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 56
... stria next the suture is the deepest , at 4th whorl a weaker stria is interpolated , and on 5th and 6th whorl 2 striae ; thus the 1st , then the 2nd , and ultimately the 3rd stria is the strongest and most deeply impressed , forming a ...
... stria next the suture is the deepest , at 4th whorl a weaker stria is interpolated , and on 5th and 6th whorl 2 striae ; thus the 1st , then the 2nd , and ultimately the 3rd stria is the strongest and most deeply impressed , forming a ...
Page 129
... striae on the middle of the last whorl . Below this size owing to the absence of these striae juveniles are not separable with certainty from juveniles of laevissima , although in the latter at an early stage the length of the aperture ...
... striae on the middle of the last whorl . Below this size owing to the absence of these striae juveniles are not separable with certainty from juveniles of laevissima , although in the latter at an early stage the length of the aperture ...
Page 139
... striae from 3rd whorl onwards , over whole whorl on 3rd and 4th but on later whorls confined to upper part , obsolescent on middle and lower parts , even on the upper part rarely more than half - a - dozen very fine striae , often ...
... striae from 3rd whorl onwards , over whole whorl on 3rd and 4th but on later whorls confined to upper part , obsolescent on middle and lower parts , even on the upper part rarely more than half - a - dozen very fine striae , often ...
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Common terms and phrases
1st whorl 2nd whorl 3rd whorl 4th whorl additional lirae Algoa Bay antennae anteriorly aperture apex axial ribs Bartsch body whorl brown Buccal surface callus camelopardalis Cape Cape Natal capensis central pit central plate cingulum cirri cirrus columella Conch cusps denticles diam distal dorsal cirri Durban elytra enamel False Bay fathoms Fauvel Giraffa groove Holotype horn-core hypocone juveniles knobs last whorl later whorls lateral plate length lingual surface M₁ mandible Martens median mesostyle metres molar Museum Natal Occlusal surface Olduvai Operculum outer lip P.F. coll pale parapodium parietal callus periostracum plicate Port Alfred posterior pillar Postnatal whorls Proc prostomium protoconch Protoconch 2 whorls radula Records root rows rugose segments setae setiger setigerous lobe shell Sivatherium slightly Smith smooth South African Sowerby species specimens spiral lirae spiral striae spire suture talonid teeth Thiele Tiefsee Exp Tomlin tooth Turton upper Zool