265 PROCEEDINGS OF THE MALACOLOGICAL SOCIETY. 
Shell orbicular-conoid, depressed, lustreless, purplish-black, with or 
without yellow spots. Suture more or less distinctly margined below. 
Spiral liree of whorls distinct or almost obsolete. Last whorl angulate 
around the periphery; body-whorl sometimes biangulate. Outer lip 
black-edged, followed by a narrow opaque white band, which runs as 
ay 


Portion of radula of Monodonta coracina (Trosch.). 
a silvery stripe over the umbilical tract parallel to the columella, and 
unites again with the upper lip, thus forming a complete cirele., 
Umbilical tract bounded on the outer, lower margin by green, grey, or 
brown. Alt. 10-13, diam. 11-18mm. A large conic specimen from 
Lyttelton measures 17 X 17mm. , 
Hab.— Wellington and Lyttelton Harbours, Sumner (H.8.). Under 
stones on sandy beaches above low-water mark. 
11. Monoponra excavata (Adams & Angas). 
Trochocochlea excavata, Ad. & Ang.: Proc. Zool. Soc., 1864, p. 37; 
Hutton, Man. New Zealand Moll., p. 97. 
Diloma excavata (Adams): Hutton, Trans. New Zealand Inst., vol. xv, 
p. 126, pl. xv, fig. F (radula). 
Monodonta excavata (Ad. & Ang.): Hutton, Proc. Linn. Soc. New 
South Wales, vol. ix, p. 368; Pilsbry, Man. Conch., ser. I, 
vol. xi, p. 109, pl. xxxv, figs. 1-3. 
Trochocochlea constricta (Lamk.): Hutton, Journ. de Conch., 1878, 
p- 33, [Not of Lamarck. | 
Shell small, depressed-conic, greyish-green, minutely maculated 
with dark-olive, apex but seldom eroded. Last whorl convex above, 
flattened beneath, and carinate at the periphery. Lire distinct only 
on the base. Outer lip edged with black. Umbilical tract broad, 
concave, bounded by light-brown. Alt. 5, diam. 6mm. Specimens 
from Greymouth measure 10 x 113 mm. 
Hab.— West coast of New Zealand; Manukau Heads; Cape Egmont; 
Greymouth. 
12. Monoponta tueusris (Gmelin). 
Lrochus lugubris, Gmelin; Syst. Nat., 13th ed., p. 3583, No. 104. 
Trochus cingulatus, Quoy & Gaim.: Voy. Astrolabe, Zool. vol. 11, 
p. 259, pl. lxiv, figs. 16-20 (not cingulatus, Broccht 
nor Menke). 
——— SS 
