Manwick.—Naticidae and Naricidae of New Zealand. 549 
4. Uber: bd. ; sutures generally tangential; umbilicus open or closed by the parietal 
which is thick and coalescing with the funicle; operculum horny. 
a.) (Euspira): Globose-ovate; sutures abutting, ас appressed ; 
apertura] callus moderate ; по funicle; operculum ho чес 
(b.) (Neverita): Ovate; sutures tangential, ч enki тЫ apert callus 
thick, coalescing with a huge funicle, which fills the iue. 
&perture greatly inclined. 
4. Sinum: Auriform, extremely flattened, = iran spiral sculpture; aperture 
disten i со 
(а.) (Eunaticina) : Oval; обули d mpressed. spiral sculpture ; 
aperture distended ; columella without odii. slightly sin sinuous. 
5. es > SON: ссе sir еей inner apertural margin without 
rn кы 
6. Amauropselia : "Sh ell оно: Hire aperture slightly effuse below ; umbilicus 
a sharp "i ridge т р э to the anterior end of the inner lip ; 
ні callus thin 
1. Genus Nartıca Scopoli, 1777. 
Shell globose, solid, smooth, suture well marked and generally abutting, 
milunar, outer de. straight, often retracted to suture, inclined 
20°-30° from ыг inner margin with moderate callus on parietal wall 
generally not invading ita Ына which is open and contains a funicle 
spiralling up apertural wall. 
Type: N. vitellus Linné. 
Key то Spectres. 
нае fairly large, globose ; sutures abutting; funicle le large, close to anterior and 
umbilical walls, separated from the parietal callus by a notch about half as 
wide ee the funicle. 
inexpectata : fairly large, globose ; sutures abutting strongly ; funicle modera 
ica: small ovate; sutures tangential; funicle comparatively larger j 99 that 
ve small, ау ovate ; sutures tangential; funicle rather narrow but long. 
ака: very small oderate broadly ovate; sutures tangential; funicle moderate, 
ioe ie: own width from the umbilical walls. 
— M moderate size, broadly ovate; sutures tangential; funicle narrow, 
parated its own width f from езе Энде 
сюн c: : small, globose; spire. rather low; sutures abutting; funicle very small, 
riorly placed. 
sublata: small, ovate; spire high, gradate; sutures abutting with a flat space below ; 
funicle very i et anteriorly placed. 
a: 8 ; Spire low; sutures abutting; umbilicus with two weak 
ri 
rrisensis : small flattened ; sutures SENS ; umbilieus with a ridge very far 
forward ; two emg on the parietal callus 
maesta. : small, s spire low, body s subeylindrical ; suture impressed; umbilicus very 
maoria : small, globose ; ; Sutures abutting ; umbilicus variable, sometimes widely open 
and өя trace of a funicle, sometimes restricted and almost closed by a narrow 
Е the parietal callus. 
dediodifes: small, ovato-globose; spire high; sutures abutting ; umbilicus without 
a funicle ; аы. аа with опе ог two denticles. 
Natica zelandica Quoy and Gaimard, 1832. (Plate 55, figs. 8, 12.) 
For synonymy see Suter's Manual (1913, p- 289). 
Localities.—Recent (type); Castlecliff, ыо; vemm Iwi 
This species has been recorded from ons, from 
the Hampden beds upwards; but the Тт do not bear critical 
egg ere As here чаш N. zelandica has a very short range— 
„ Castlecliffian to Rece 
