108 
Antero - posterior diameter, 57; umbo-ventral diam., 45; 
-sectional diam., 32 mm. 
This species differs from C. Hallii by its regularly convex 
dorsal margin and its wide concentric ridges. 
Gari? sp 
The collection contains a single RE of a member of the 
Antero-posterior diameter, 50 ; dorso-ventral ade m., 2 
It does not agree with any described rece t species of the 
family, though it 1 aa to Solseotaliina: siliqua, Reeve, 
inhabiting New Zea 
ud sp. (aff. M. planulatus). 
Shell eo. oval, solid, somewhat angularly attenuated 
towards t mbo, which is bent down wards, transversely 
es convex. (Smooth with low concentric growth- folds.) 
Anterior r margin straight, dorsal margin uninterruptly arched, 
ventral mar, 
Length (ineomplafié, 95 mm.; severe width medially, 65 mm. 
(One imperfect valve, much décórtio 
This fossil is distinct from M. line wiátil; sese > M. 
in 
unable to make a comparative study wi a chorus, i avoid 
applying a distinctive denomination. 
Mytilus, sp. (aff. M. RR 
A mould of a radially sculptured mussel is suggestive of M. 
Nl, B ue the fine regular radiating ridges indicate some 
other refere 
EXPLANATIONS TO PLATES. 
PraTE I. 
fs Nat. si 
permagna. pem 
2. Chione Kerguelini. N 
3. Turritella Hallii. a, N A b, sectional portion of a whorl, enlarged. 
4. Natica Tremarici. Sectional three views, slightly enlarged—a, from 
above ; b, frontal side; c, base 
5. Chione Hallii. Nat. size. 
Prats III. 
Carts Ears, looking south-east from Long Island, near entrance to Royal 
Sound. (A sketch by Mr. R. Hall, 4-1-98). 
1. Cat’s Ears 
2. Fossil bed. 
- Heavy masses 
of rock. 
4. Lava much contracted and distorted, 
