494 Transactions. 
Genus Estea. 
1. Shell without sculpture 
2. Shell with spiral sculpture AR 
(a.) Five ne cords ith linear interstices on the 
las orls 
(b.) Seven apa i ‹ on the bat 2 н: „бош 
3. xem те pe Em about 20 per aes каан 
rrower, and а rasutural groove 
i Shell E or hielo axials, about 22 per S ind 
pirals on the spire-whorls, 3 more on bas 
— 
Genus Notosetia. 
. Aperture pear- h E d, ғ i ti bl higher ti 
x v 
- 
2. Aperture subcircular, spire almost equal to aperture 
. Aperture subrhomboidal, spire su "ү, to ся but 
rather immersed, last whorl very larg 
[^] 
us Epigrus. 
1. Shell with si tad spire and rly 8 flatly convex 8 
and deeply channelled sutu 7 
Genus Rissoina. 
. Shell elongate, about 16 axials per whorl 
Shell oval, about 30 axials per whorl .. 
- Shell minute, short, about 11 axials per whorl . 
фо № 
Genus Nozeba, 
1. Spiral grooves pan over the whole surface, = 
yriform, truncated 
A few prominent знал sue pea on » baso only, aperture 
subtriangular, very broadly 
3. Ditto, but aperture effuse and dnd 
№ 
Genus Dardanula. 
P d of Сна ор about 1j times the width, shell iere а a 
2. Height ot rien about tice = wiath, shell reaching а a 
eight 
gucci CITED. 
Horton, Е. W., 1873. Cat. Tert. Moll., p- 1l 
——— 1885 Trans N.Z. Inst., vol. 17, pp ON 
—— 1893. Macleay Mem. Vol., Pliocene Moll, 
IREDALE, x ,1915. A Comme 
; ans. N.Z, Inst., vol. 47, a 
Mars , and Мовросн, R., 19204, 
of Roe crei. Trans. N. Z. Inst., vol. 52, р. 
——— 
19205. 
121-23. 
м 
zosterophila (Webster). 
. semisulcata (Hutt.). 
polysulcata Finlay. 
impressa (Hutt.). 
rugosa (Hutt.). 
N. cf. eubflavescens Ire- 
dale. 
N. paroeca Finlay. 
Х. prisca Finlay. 
E. fossilis Finlay. 
R. chathamensis Kid 
R. obli 
R. perplexa rsa 
N. emarginata (Hutt.). 
N. candida Finla 
X 
N. candida var. effusa 
Finlay. 
D. olivacea (Hutt.). 
D. riverlonensis Finlay. 
mmentary gehe Suter's Manual of the New Zealand Mollusca, 
po Tertiary Mollusca, with Descriptions 
128. 
The Tertiary Rocks near Wanganui, Trans. N.Z. Inst, vol. 52, 
pp. 
Surer, H., 1918. Alphabetical List of New Zealand Tertiary Mollusca. 
