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shells are marked with brown wavy or zigzag lines. It is found in both Islands on ocean beaches and in harbours, being sometimes over two inches wide. It is known to the Maoris as Hakari.
DOSINIA AUSTRALIS (Plate IX.).—Fig. 15 is a pale, pinkish-brown shell, with a white interior, turning to violet round the margin. It is found on ocean beaches in both Islands, and attains a length of three inches. The Maoris call it Tupa or Tuangi haruru.
DOSINIA SUBROSEA (Plate IX.).—Fig. 16 is a smooth copy of the above. It is pale pinkish-white, and found up to two inches long in the same localities as Dosinia australis. The Maori name for this shell is Hakari, the same as for Tapes intermedia.
There is another species of Dosinea (not shown in plate), about one inch long and pure white, found in the North Island. It is called Dosinia lambata.
BARBATIA DECUSSATA (Plate IX.).—Fig. 17 (late Arca decussata) is an irregular-shaped, brown or yellowish shell, the interior being white, varied with brownish-purple. It is covered with a long, brown, hairy epidermis. It is found in both Islands on ocean beaches and under rocks, and is up to three inches in length.
SOLENOMYA PARKINSONI (Plate IX.)—Fig. 18 is a dark brown, delicate shell, rayed with paler brown. The interior is greyish. The shining, thick, chestnut and black epidermis, which covers this shell, cannot be mistaken. It is found in both Islands on sandy banks in harbours, and is up to two inches in length. When the mantle is spread out in shallow water, this shellfish looks like a pink and purple flower.
MODIOLARIA IMPACTA (Plate IX.).—Fig. 19 (late Crenella impacta) is a brown shell, frequently with a mixture of green near the edge. The centre is smooth, but both ends are ornamented with fine radiating ridges. The interior is highly iridescent. The shell attains a length of 1½ inches, and is found in both Islands, in seaweed or grass and under rocks, both in harbours and on ocean beaches. The Maori name is Korona.
