Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
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Page 6
... larger ( 56 mm . ) seems similar and comparable . Fossil : Pleistocene : Port Elizabeth ( Schwarz , 1910 ) . Natal ( Hanley , and S. Afr . Mus . ) ; Port Alfred ( Turton ) ; Port St. Johns ( S. Afr . Mus . ) . Tonna tessellata Cf. Tonna ...
... larger ( 56 mm . ) seems similar and comparable . Fossil : Pleistocene : Port Elizabeth ( Schwarz , 1910 ) . Natal ( Hanley , and S. Afr . Mus . ) ; Port Alfred ( Turton ) ; Port St. Johns ( S. Afr . Mus . ) . Tonna tessellata Cf. Tonna ...
Page 99
... larger broken specimen repre- senting the 8th whorl . Type 15 ( 16 ) × 6 mm . Diam . of a larger ( 8th ) whorl 8 mm . U.C.T .: 18 x 8 mm . Fawn - brown , ribs paler . Cape St. Blaize , 37 fathoms , 1 ; 34 ° 7 ′ S. , 25 ° 43 ′ E. , 55 ...
... larger broken specimen repre- senting the 8th whorl . Type 15 ( 16 ) × 6 mm . Diam . of a larger ( 8th ) whorl 8 mm . U.C.T .: 18 x 8 mm . Fawn - brown , ribs paler . Cape St. Blaize , 37 fathoms , 1 ; 34 ° 7 ′ S. , 25 ° 43 ′ E. , 55 ...
Page 329
... larger ones ) the insertion plate is nearly or quite vertical and scarcely visible in dorsal view . The convexity of the tail valve becomes more conspicuous in larger specimens . But many more very juvenile specimens must be examined ...
... larger ones ) the insertion plate is nearly or quite vertical and scarcely visible in dorsal view . The convexity of the tail valve becomes more conspicuous in larger specimens . But many more very juvenile specimens must be examined ...
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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