Annals of the South African Museum, Volume 45The Museum, 1960 - Natural history |
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Page 19
... usually abraded ) , extending below to base in juveniles ( up to 16 mm . ) but in large specimens becoming obsolete ( except in vars . beckeri and rietensis ) , 16-18 on 1st whorl , 9-11-13 ( sometimes 14 ) on last whorl ; spiral striae ...
... usually abraded ) , extending below to base in juveniles ( up to 16 mm . ) but in large specimens becoming obsolete ( except in vars . beckeri and rietensis ) , 16-18 on 1st whorl , 9-11-13 ( sometimes 14 ) on last whorl ; spiral striae ...
Page 66
... usually white , but a faint brown sutural band sometimes shows through the callus ; upper brown band usually well marked , especially its lower edge ( where callus ends ) ; a chestnut - brown band on base ; on middle of body whorl a ...
... usually white , but a faint brown sutural band sometimes shows through the callus ; upper brown band usually well marked , especially its lower edge ( where callus ends ) ; a chestnut - brown band on base ; on middle of body whorl a ...
Page 222
... usually not continued across base , on later whorls not distinct from the growth - lines ; spiral lirae 2 on 1st , 2nd and 3rd whorls , rather far apart , becoming obscure , but usually traceable in good specimens on 4th and 5th whorls ...
... usually not continued across base , on later whorls not distinct from the growth - lines ; spiral lirae 2 on 1st , 2nd and 3rd whorls , rather far apart , becoming obscure , but usually traceable in good specimens on 4th and 5th whorls ...
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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