Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . ,3(56,3) 17,8(41,2) 1,37 12,7(29,4) ic 20,5(47,5) 15,8(36,6) 1,30 SAM-D1187I c 43,9(100) 27,7(63,0) 18,9(43,0) 1,47 11,8(26,9) SAM-D1187D c 93,0(100) 50,5(54,3) 36,0(38,7) 1,40 32,3(34,7) ic 39,3(42,3) 34,2(36,8) 1,15 at D = c 78,5(100) 46,2(58,9) 30,0(38,2) 1,54 28,3(36,1) ic 35,8(45,6) 27,8(35,4) 1,29 SAM-D1187C c 105,5(100) -(-) 41,7(39,5) — 36,1(34,2) 128,0(100) 68,8(53,8)54,5(42,6) 50,0(39,0)46,8(36,6) 1,381,16 41,2(32,2) Description All the available specimens are internal moulds retaining traces of la
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . ,3(56,3) 17,8(41,2) 1,37 12,7(29,4) ic 20,5(47,5) 15,8(36,6) 1,30 SAM-D1187I c 43,9(100) 27,7(63,0) 18,9(43,0) 1,47 11,8(26,9) SAM-D1187D c 93,0(100) 50,5(54,3) 36,0(38,7) 1,40 32,3(34,7) ic 39,3(42,3) 34,2(36,8) 1,15 at D = c 78,5(100) 46,2(58,9) 30,0(38,2) 1,54 28,3(36,1) ic 35,8(45,6) 27,8(35,4) 1,29 SAM-D1187C c 105,5(100) -(-) 41,7(39,5) — 36,1(34,2) 128,0(100) 68,8(53,8)54,5(42,6) 50,0(39,0)46,8(36,6) 1,381,16 41,2(32,2) Description All the available specimens are internal moulds retaining traces of largest, SAM-D1187A, is still septate at a diameter of 130 mm. The earliest visible stages are shown by SAM-D11871 (Fig. lOC-D). Thecoifing is evolute, with a deep umbilicus (26-34% of diameter). The whorlsection is depressed, coronate (whorl breadth to height ratio is 1,3 to 1,4 inintercostal, and 1,37 to 1,47 in costal section) the maximum breadth at themassive lateral tubercles in costal section and low on the flank in intercostal 286 ANNALS OF THE SOUTH AFRICAN MUSEUM.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
