450 Transactions. 
New Shells from New Zealand Tertiary Beds. 
By Н. J. Fintay, M.Sc., Edmond Fellow of Otago University. 
{Read before the Otago Institute, 8th August, 1922 : received by Editor, 31st December, 
1923 ; issued separately, 30th July, 1924.] 
Plates 48-51. 
Tue following forms are described from the new material in the author's 
collection; many of them are related to Australian species, and others 
represent genera new to the New Zealand fauna. Notes on some already- 
described species are also given. 
ose notocenica n. sp. (Plate 49, figs. 2a, 2b, 2c, 2d.) 
. zelandica Suter (in many lists of fossils from Miocene localities), not of 
Q. & G. 
Shell small but solid, smooth and polished, pague gosg Me 
; ilic 
Hun pde Piotoconeh Кш depressed, hardly differing from . 
later whorls. Whorls 44-5, base regularly convex. Suture slightly canali- 
culate only for two apical whorls, thence inconspicuous, whorls tigi 
clasping those above without sutural flattening, so that sides of spire are 
perfectly straight. Aperture semilunar, oblique. Outer lip бора, 
very thin and sharp, but rapidly becoming thicker internally, ascending 
оран on эшче whorl before j ee innerlip. Colu mella “oblique; 
chink | is pem left above funicle. Outer edge of sc ee very bluntly 
carinate and separated by deep groove from funicle, surface of which 18 
corrugated by strong folds inside, and ends in a wide, concave flattening. 
reulum unknown. 
Height, 7-5 mm. ; diameter, 7 mm. (буре). Height, 11 mm. ; diameter, 
10-5 mm. (largest specimen, from Target Gully). y 
rom Awamoa (blue clays on banks of esee in author's iege 1 
tion. Common at Ardgowan, Target Gully, and Pukeuri ; specim 1 
from Pareora, Rifle Butts, Kakanui tuffs, Waikaia, and McCullougl's Bridge, E 
Waihao—i.e., throughout the Oamaruian. m 
This species has always been identified as N. zelandica Q. & G^ р; : 
is totally different in its constantly smaller size, heavier umbilical callosi у 
(though this varies in strength in both species), and especially in shape al 
spire, which in N. zelandica is € scalar, due to the 1 infre с 
flattening, but їп N. notocenica is perfectly conical, except in some BP. " 
examples where the whorls sedg out a little. At most Oamaru юса 
this species is accompanied by the following one, but has а much ba 
range in earlier horizons. No difference at all can be picked betwee 
Waihao and Pukeuri specimens. | 
