. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 364 ANNALS OF THE SOUTH AFRICAN MUSEUM Nucula sultana Thiele Fig. i b Nucula sultana Thiele, 1931, p. 197, pi. 7(2), figs. 41, 41a. Length greater than altitude, posterior margin convex. Middle part smooth, with only growth-lines, but some radial striae show very faintly near the ventral margin. Anterior and posterior parts with strong, concentric, curved ridges, cutting obliquely across the growth-lines, c. 30 on anterior, c. 20 on posterior part. Lunule not distinct. Teeth anterior 17-18, posterior
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 364 ANNALS OF THE SOUTH AFRICAN MUSEUM Nucula sultana Thiele Fig. i b Nucula sultana Thiele, 1931, p. 197, pi. 7(2), figs. 41, 41a. Length greater than altitude, posterior margin convex. Middle part smooth, with only growth-lines, but some radial striae show very faintly near the ventral margin. Anterior and posterior parts with strong, concentric, curved ridges, cutting obliquely across the growth-lines, c. 30 on anterior, c. 20 on posterior part. Lunule not distinct. Teeth anterior 17-18, posterior 8; ligament pit oblique; margin internally Fig. 1. a. Leda compta (Sow.), internal view of right valve of cotype. b. Nucula sultana Thiele. c. N. aequalitas d. Leda spreta Thiele, 8 mm. long. e. juvenile, 2 mm. ! copy of Thiele's fig- 52, 3-4 mm- long. Length 10-5, alt. 8 mm. (S. Afr. Mus.); 17 x 15 mm. (Thiele). Delagoa Bay, one living, dredged in muddy channel, harbour entrance (S. Afr. Mus., coll., 1912); Durban harbour sediments (Dr. Lester King, 1963). Distribution. East Africa: 50 55' S., 390 1' E., 50 metres (Thiele). Remarks. The Valdivia shell is larger and has 25 anterior and 10 posterior 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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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
