60 Macreay Memortat Vourme. 
Genus BITTIUM. 
Birrium TEREBELLOIDES, Martens, Critical list of N.Z. Moll. p. 26. 
(Plate vu. fig. 56.) 
Shell turreted ; on the upper whorls three, on the last four spiral ribs of 
nearly equal size, the interstices faintly longitudinally striated. Aperture deeply 
notched. Length 8mm. 
Locahty.— Wanganui, Petane. 
Birtium cinctum, Hutton, Trans. N.Z. Inst. Vol. XVIII. p. 334. 
(Plate vu. fig. 57.) 
Shell turreted ; on the upper whorls four, on the last 6-8 spiral ribs of nearly 
equal size. Length, 14mm. 
Locahty.—Wanganui, Petane. 
Genus CERITHIDEA. 
CERITHIDEA BICARINATA, Gray in Dieftenbach’s “New Zealand,” Vol. II. p. 241; Voy. 
My NA 
Erebus and Terror, Moll. pl. 1. fig. 20. 
Locality.—Wanganui, Petane, Matapiro. 
Genus STRUTHIOLARIA. 
Key to the species. 
1. Whorls spirally striated. 
About 14-15 tubercles on a whorl ... ad .. S. papulosa. 
Subnodulose, whorls flattened mee aoe os 09. vermis. 
2. Whorls deeply spirally grooved. 
Body whorl with 10 spirals ... St se Shas gD. Sf PASEME: 
. . 13-14 spirals ae Ae .. S. cengulata. 
SrRUTHIOLARIA PpAPULOSA, Martyn, Univ. Conch. ol. Liv ; Ss stramineda, Woodward 
’ y ’ ? 
Manual of the Mollusca, pl. TV. fig. 6. 
Locality.—W anganui. 
