Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
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Page 205
... lateral small , subcircular , with narrow front edge , 3rd lateral ovate , with oblique thickening forming a cutting - edge , 4th lateral large , subtriangular , front margin overturned forming a cutting - edge but not serrate ...
... lateral small , subcircular , with narrow front edge , 3rd lateral ovate , with oblique thickening forming a cutting - edge , 4th lateral large , subtriangular , front margin overturned forming a cutting - edge but not serrate ...
Page 244
... lateral plates with very large cusps , finely serrulate on both margins on central plate , but only on outer margin on laterals , 3rd lateral plate broader than long , curved , with strong , serrulate cusp , 4th lateral plate arcuate ...
... lateral plates with very large cusps , finely serrulate on both margins on central plate , but only on outer margin on laterals , 3rd lateral plate broader than long , curved , with strong , serrulate cusp , 4th lateral plate arcuate ...
Page 343
... lateral area of the middle valves is pitted ( or as Ashby would have said : the lateral nodules of the ribs bridge the sinus ) . The longitudinal ribs on the pleural area of the middle valves are quite simple and straight - sided ...
... lateral area of the middle valves is pitted ( or as Ashby would have said : the lateral nodules of the ribs bridge the sinus ) . The longitudinal ribs on the pleural area of the middle valves are quite simple and straight - sided ...
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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