. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 9. Protoconchs of: a. 'Clavatula' tumida (Sow.), b. 'Genotia' belaeformis (Sow.) c. Asthenotoma vertebrata (Smith). Off Umhlanga River (north of Durban), 22-26 fathoms, 1 dead (S. Afr. Mus. Coll.). Delagoa Bay, 1 dead (S. Afr. Mus. Coll. ). Morrumbene estuary, Inhambane, Portuguese East Africa, 2 living (). Distribution. Karachi, Madras, and Japan. Remarks. Melvill, contrary to some authors, keeps vertebrata separate from nivea (Phil.) and its var. violacea Hinds. From the descr
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 9. Protoconchs of: a. 'Clavatula' tumida (Sow.), b. 'Genotia' belaeformis (Sow.) c. Asthenotoma vertebrata (Smith). Off Umhlanga River (north of Durban), 22-26 fathoms, 1 dead (S. Afr. Mus. Coll.). Delagoa Bay, 1 dead (S. Afr. Mus. Coll. ). Morrumbene estuary, Inhambane, Portuguese East Africa, 2 living (). Distribution. Karachi, Madras, and Japan. Remarks. Melvill, contrary to some authors, keeps vertebrata separate from nivea (Phil.) and its var. violacea Hinds. From the description and figure it is impossible to say how this species compares with the Mauritian Daphnella elata Sow. (1893. Proc. £ool. Soc. Lond., p. 490, pi. 38, figs. 19, 20). Asthenotoma eva (Thiele) Fig. 21 d 1925. Thiele. D. Tie/see Exp., xvii, p. 227, pi. 37 (25), fig. 12 (Bela e.). Protoconch 1 \ whorls, smooth. Postnatal whorls 3. Spiral keels 2 on each whorl, the upper one peripheral and more prominent; distinct sharp, close-set axial pliculae or growth-lines across sulcus and between the keels; on base 4 additional distinct lirae and 3-4 obscure ones. 3-75 X 1*5 mm. Thiele: 4-8 X 2-2 mm. Operculum (apud Thiele) oval, narrowed below. Radula (apud Thiele) without basal membrane, teeth 'arrow-like' ('pfeil- zahne', not figured by Thiele). 350 19' S., 200 15' E., 126 metres (Thiele). Off Cape Recife, 56 fathoms, 1 dead (S. Afr. Mus. A8563, Coll.).. 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
