Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
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Page 13
... shell wall varies , e.g. a 72 mm . long shell weighs 2 oz . , one 67 mm . weighs 2 oz . , one 62 mm . weighs 1 oz . , two 50 mm . weigh oz . and 1 oz . Hybrid ? Two shells , locality unknown , have the shape and proportions of labiata ...
... shell wall varies , e.g. a 72 mm . long shell weighs 2 oz . , one 67 mm . weighs 2 oz . , one 62 mm . weighs 1 oz . , two 50 mm . weigh oz . and 1 oz . Hybrid ? Two shells , locality unknown , have the shape and proportions of labiata ...
Page 107
... Shell trochoid . Viviparous Shell globose . Oviparous .. janthina 2 .. exigua 3 Shell furrowed ( ribbed ) .. 2 Shell smooth or striated 3 Shell with well - developed keel Shell with poorly developed keel .. 4 Keel visible only on last ...
... Shell trochoid . Viviparous Shell globose . Oviparous .. janthina 2 .. exigua 3 Shell furrowed ( ribbed ) .. 2 Shell smooth or striated 3 Shell with well - developed keel Shell with poorly developed keel .. 4 Keel visible only on last ...
Page 326
... shell alone ; giving names to isolated shells is useless . At present there is only one fully diagnosed species in South African waters : aperta . P. berghi is known only from a single specimen , the shell of which was not specifically ...
... shell alone ; giving names to isolated shells is useless . At present there is only one fully diagnosed species in South African waters : aperta . P. berghi is known only from a single specimen , the shell of which was not specifically ...
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Common terms and phrases
1st whorl 27 fathoms 2nd whorl 3rd whorl 40 fathoms 4th whorl 80 metres agulhasensis alfredensis Algoa Bay aperture apical Braga Cape Morgan Cape Natal Cape Point capensis central plate columella cusp dead Delagoa Bay diam dorsal Durban East London False Bay figure Fossil Gmelin granules grooves growth-lines Inhambane intermediaries Jaeckel juvenile Krauss Krss Lamy last whorl lateral plate left valve length Linn lirae living Macnae & Kalk marginal plates Martens Mossel Bay Muir n.sp natalensis nodules oblique operculum outer lip P.F. coll periostracum peripheral Pieter Faure Pleistocene pliculae Port Alfred Port Alfred Bartsch Port Elizabeth Port Elizabeth Sowerby posterior Postnatal whorls Protoconch radial Radula Remarks riblets right valve River Natal Saldanha Bay Schilder sculpture shell slightly Smith smooth South African Museum Sowerby Sowerby's species specimens spiral lirae striae suture Table Bay Thiele Tomlin Tugela River Turton umbilicus umbo worn Zululand