40 
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 inter- 
media. 
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 14 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. 
