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 78
Page 296
... growth - lines , of which 15 can be counted ; the ridges forming the margins of the slit very thin , c . 10 concave pliculae corresponding with the growth - lines . 6.25 × 4 , alt . 2 · 4 mm . ( Thiele ) . 8 × 5'5 , alt . 4 mm . 35 ° 16 ...
... growth - lines , of which 15 can be counted ; the ridges forming the margins of the slit very thin , c . 10 concave pliculae corresponding with the growth - lines . 6.25 × 4 , alt . 2 · 4 mm . ( Thiele ) . 8 × 5'5 , alt . 4 mm . 35 ° 16 ...
Page 422
... growth - lines . The development of temporary intermediary riblets on the left valve is noteworthy . Pecten cf ... growth - lines become distinct , more or less lamellose on left valve , smooth on the right ; ribs smooth , but crossed by ...
... growth - lines . The development of temporary intermediary riblets on the left valve is noteworthy . Pecten cf ... growth - lines become distinct , more or less lamellose on left valve , smooth on the right ; ribs smooth , but crossed by ...
Page 423
... growth - lines are of course much closer together on the early part of the valve ; but at c . 10 mm . alt . the rate of growth increased rather rapidly and the growth - lines become farther apart ; towards the margin they are ' evenly ...
... growth - lines are of course much closer together on the early part of the valve ; but at c . 10 mm . alt . the rate of growth increased rather rapidly and the growth - lines become farther apart ; towards the margin they are ' evenly ...
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