Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
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Page 94
... first whorl abruptly wider than protoconch , following whorls widening evenly , sutures not indented . No umbilicus ... first 5 contracted , the following 5 suddenly widened . Length 12-13 mm . ( according to Sowerby's recollection ) ...
... first whorl abruptly wider than protoconch , following whorls widening evenly , sutures not indented . No umbilicus ... first 5 contracted , the following 5 suddenly widened . Length 12-13 mm . ( according to Sowerby's recollection ) ...
Page 109
... first or first and a half smooth , the other whorls with 2 fine peripheral lirae , crossed by numerous fine axial pliculae ( c . 25-30 on each whorl ) , on last whorl the lirae become one median keel which gradually sinks lower and ...
... first or first and a half smooth , the other whorls with 2 fine peripheral lirae , crossed by numerous fine axial pliculae ( c . 25-30 on each whorl ) , on last whorl the lirae become one median keel which gradually sinks lower and ...
Page 167
... first and follow- ing half - dozen whorls strong and sharp as in carinifera , but thereafter becoming blunt and less prominent , but always traceable ( contrast declivis ) . Operculum , colour , and radula as in carinifera . Fossil ...
... first and follow- ing half - dozen whorls strong and sharp as in carinifera , but thereafter becoming blunt and less prominent , but always traceable ( contrast declivis ) . Operculum , colour , and radula as in carinifera . Fossil ...
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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