. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CONTRIBUTIONS TO THE KNOWLEDGE OF MARINE MOLLUSCA 495 {fragum) and the 'Red Strawberry' (unedo) have been lost on the present valve. Length 12-5, alt. 12 mm. Off O'Neil Peak (Zululand), 90 fathoms, one valve (S. Afr. Mus. A9540. coll.). Distribution. Red Sea, east coast of Africa, Madagascar, Mauritius, In do- Pacific. Remarks. Differing in shape from Fragum (Afrocardium) shepstonense Tomlin (1931, p. 449, pi. 33, fig. 8), which has no distinct umbonal ridge. Lunulicardia retusa (Linn.) Lun
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CONTRIBUTIONS TO THE KNOWLEDGE OF MARINE MOLLUSCA 495 {fragum) and the 'Red Strawberry' (unedo) have been lost on the present valve. Length 12-5, alt. 12 mm. Off O'Neil Peak (Zululand), 90 fathoms, one valve (S. Afr. Mus. A9540. coll.). Distribution. Red Sea, east coast of Africa, Madagascar, Mauritius, In do- Pacific. Remarks. Differing in shape from Fragum (Afrocardium) shepstonense Tomlin (1931, p. 449, pi. 33, fig. 8), which has no distinct umbonal ridge. Lunulicardia retusa (Linn.) Lunulicardia retusa (Linn.), Chenu, 1862, figs. 524, 525; Prashad, 1932, p. 287 (references); Gravely, 1941, p. 46, fig. 19 d. The occurrence of this species as far south as Delagoa Bay requires con- firmation. It was not recorded by Braga (1952), Macnae & Kalk (1958), nor Franca (1960). Two valves in South African Museum are alleged to have been found at Delagoa Bay. Distribution. Red Sea, east coast of Africa, Madagascar, Indo-Pacific. Cardium sp. Fig. 26 a Subcircular, but with the postero-dorsal margin somewhat rounded- quadrate, equilateral; 25 ribs, the anterior 5 with rounded nodules, the median ribs with transverse bar-like nodules, and the posterior 6 or 7 with obliquely transverse nodules like those on the median ribs but stronger; grooves narrower than ribs. White. Length 7-5, alt. 8 mm. Inhambane, one living (). Remarks. Appears to be very similar to the Mediterranean papillosum, as figured in Hanley, 1842-56, pi. 17, fig. a b Fig. 26. a, Cardium sp., Inhambane. b, Chione (Timoclea) costellifera (Ad. & 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
