Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
From inside the book
Results 1-3 of 67
Page 399
... posterior area , a smooth intervening area ; towards the margins new riblets are interpolated , the old ones not bifurcating . At shell length 2 mm . anterior riblets 4-5 , posterior c . 25 ; at 4 mm . anterior 5 , posterior c . 28-32 ...
... posterior area , a smooth intervening area ; towards the margins new riblets are interpolated , the old ones not bifurcating . At shell length 2 mm . anterior riblets 4-5 , posterior c . 25 ; at 4 mm . anterior 5 , posterior c . 28-32 ...
Page 401
... posterior adductor . Posterior retractor divided into a strong elongate anterior portion attached to the shell beneath the ligament , and a slender posterior branch contiguous with the posterior adductor . Soot - Ryen ( 1955 ) ...
... posterior adductor . Posterior retractor divided into a strong elongate anterior portion attached to the shell beneath the ligament , and a slender posterior branch contiguous with the posterior adductor . Soot - Ryen ( 1955 ) ...
Page 540
... posterior margin obliquely subtruncate ; concentric growth - lines forming fine close costulae , some of them slightly sublamellate on posterior area . Right valve with 2 cardinal teeth , the posterior bifid , an anterior and a ...
... posterior margin obliquely subtruncate ; concentric growth - lines forming fine close costulae , some of them slightly sublamellate on posterior area . Right valve with 2 cardinal teeth , the posterior bifid , an anterior and a ...
Other editions - View all
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