. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 302 ANNALS OF THE SOUTH AFRICAN MUSEUM Schismope insignis Smith Schismope insignis Smith, 1910, p. 208, pi. 8, figs. 4, 40; Bartsch, 1915, p. 176. Turton (1932, p. 204) gave the size as 2 mm. The largest shell in the Muir collection is alt. 0-8, diam. 1 mm. Smith gave 0-5 X 0-8 mm. Port Elizabeth (Smith); Port Alfred (Bartsch, Turton); Still Bay (S. Afr. Mus. Muir coll.). Fam. Haliotidae Thiele, 1929, p. 28; Lissmann, 1945, pp. 58-69, graphs, pi. 1 (locomotion). According to Lissmann's diagrams the r


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 302 ANNALS OF THE SOUTH AFRICAN MUSEUM Schismope insignis Smith Schismope insignis Smith, 1910, p. 208, pi. 8, figs. 4, 40; Bartsch, 1915, p. 176. Turton (1932, p. 204) gave the size as 2 mm. The largest shell in the Muir collection is alt. 0-8, diam. 1 mm. Smith gave 0-5 X 0-8 mm. Port Elizabeth (Smith); Port Alfred (Bartsch, Turton); Still Bay (S. Afr. Mus. Muir coll.). Fam. Haliotidae Thiele, 1929, p. 28; Lissmann, 1945, pp. 58-69, graphs, pi. 1 (locomotion). According to Lissmann's diagrams the rate of progression of the European H. tuberculata seems to be 1-2 cm. per second. Haliotis midae Linn. Figs. 25 a-c, 26 Haliotis capensis Dunker, 1844, p. 120, pi. 1, figs. 4, 5. Haliotis midae Linn., Krauss, 1848, p. 93; Turton, 1932, p. 202. Haliotis elatior Pilsbry, 1890. Haliotis midae elatior, and midae capensis, Turton, 1932, p. 203. Protoconch nucleus plus about f of a whorl 1-5x1 mm., smooth; followed by fine and regular spiral lirae 6-8 above the foramina, 5-6 between these and the periphery, 3-4 between latter and edge of columellar plate; increasing to respectively 25-30, 9-10, and 4 at 12 mm. diam.; 50-60, 10-12, and 6-8 at 40 mm. diam.; thereafter the lirae obscured on upper surface by oblique corrugations, which develop at first in middle of whorl, then extend across whole whorl from suture to the foramina; the corrugations usually begin at 40 mm. diam., but may begin at 35 mm., or occasionally at 30 mm. Fig. 25. Haliotis: a, radula plates of midae Linn.; b, protoconch nucleus plus 1st whorl of midae; c, juvenile of midae, 4-5 x 3-5 mm.; d, protoconch nucleus plus 1st whorl of parvum Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum


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