Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
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Page 425
... striae , is not a different species . These striae can be seen frequently , though not on all shells . Short striae occur between the lamellose growth - lines on the early part of the shell ; later when the growth- lines become ...
... striae , is not a different species . These striae can be seen frequently , though not on all shells . Short striae occur between the lamellose growth - lines on the early part of the shell ; later when the growth- lines become ...
Page 529
... striae . Margin internally smooth ( subgen . Latona ) . Colour variable : greyish , violaceous , pinkish , buff or yellowish , uniform or more usually with radiating streaks ( see Macnae & Kalk , p . 92 ) . Length 25 , alt . 19 mm ...
... striae . Margin internally smooth ( subgen . Latona ) . Colour variable : greyish , violaceous , pinkish , buff or yellowish , uniform or more usually with radiating streaks ( see Macnae & Kalk , p . 92 ) . Length 25 , alt . 19 mm ...
Page 535
... striae : on anterior half they are concentric and parallel with the growth - lines and antero- ventral margin ; at the half - way line the striae bend downwards at c . 140 ° and run obliquely ; at a line from umbo to postero - ventral ...
... striae : on anterior half they are concentric and parallel with the growth - lines and antero- ventral margin ; at the half - way line the striae bend downwards at c . 140 ° and run obliquely ; at a line from umbo to postero - ventral ...
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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