Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
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Page 242
... appear between each pair . First whorl corroded , a spiral lira forming a slight shoulder on the first quarter of 2nd whorl , but petering out on later part of whorl ; on second half of 3rd whorl a slight granular thickening appears on ...
... appear between each pair . First whorl corroded , a spiral lira forming a slight shoulder on the first quarter of 2nd whorl , but petering out on later part of whorl ; on second half of 3rd whorl a slight granular thickening appears on ...
Page 421
... appears on the left ( flat ) valve , a 2nd and 3rd on the right ; increasing in large shells to 5 on the left and 10 ... appear between each pair of main ribs on left valve , but at about 25 mm . alt . they peter out . The lamellose ...
... appears on the left ( flat ) valve , a 2nd and 3rd on the right ; increasing in large shells to 5 on the left and 10 ... appear between each pair of main ribs on left valve , but at about 25 mm . alt . they peter out . The lamellose ...
Page 476
... appears to be less strongly sculptured , and the radial riblets less closely packed than in the present specimens ... appears . Jaeckel made no mention of any irregularity in the lirae in his description of congoensis , but his figure ...
... appears to be less strongly sculptured , and the radial riblets less closely packed than in the present specimens ... appears . Jaeckel made no mention of any irregularity in the lirae in his description of congoensis , but his figure ...
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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