85 . 
S.A. NAT., VOL. XV. 
June 12t h, 1954. By Berm,yd C. Cotton and F. K. Godfrey. 
4. Depressed, gradate, with a spiral of small tubercles 
between the suture and the angulating spiral of large tubercles, 
(one has three marked tubercles in the umbilicus within its 
border). 
5. Less depressed, less gradate; two rows of step tubercles 
as in Xo. 4; five rows of tubercles on the slope between the an¬ 
gulating and peripheral spirals, (one has rather larger tubercles 
all over it). 
6. Like 5. but with only the angulating spiral tubercles on 
the step, which is less wide. 
7. More solid; single row of large tubercles, infra-sutural, 
larger and less numerous than the peripheral; three rows of 
well-marked tubercles between six basal spirals, close, large tub¬ 
ercles; perforation bordered by a smooth angle, within this are 
two distant tubercles; a winding spiral in the perforation joining 
the reflexion of the columella in a little tubercle above the basal 
columellar tooth; mouth very denticulate; whorls may be some¬ 
what. concave instead of straight sloping owing to comparative 
prominence of the two large rows of tubercles. ^ 
C. conspersus A. Adams 1851. 1 he Besprinkled 
Clanculus.” Trochiform, reddish, variegated white and 
red; spirals necklace-like, spiral next beneath the suture the 
largest; last whorl angulated at the periphery; columella boldly 
plicate anteriorly, subcanaliculately tortuous above; outei lip \al- 
idly dentate-lirare within. Height 11, diam. 15 mm. South 
Australian beaches, generally with C. yatesi Crosse. (Type loc¬ 
ality—Gulf St. Vincent, under stones below tide marks). A 
trochiform coarsely granular shell, with last wnorl subangular, 
variegated red and* white; toothed on the inner.lip; whorls about 
four-and-a-half. This is probably but a variant of Cl yatesi 
Crosse. The conspersus and yatesi forms are most common on 
die beach, while the form menkei is that most commonly diecgecl 
in deep water. „ 
C. menkei Adams & Angas. “Menke’s Clanculus. late 
writes; — 11 Clanculus yatesi Crosse!, October. 1863 = C. menkei 
Adams & Angas. in British Museum.” South Australian shells 
Identified as Cl menkei by Verco after comparison with British 
Museum specimens, differ from true C. yatesi as. follows.- 
Rather more depressed, more validly gradate spire giving the 
sutures a deeper appearance, sculpture more delicate, granules 
on spirals smaller and more numerous, subsutural carma. less 
marked, its granules little coarser than those oi the remaining 
spirals; colour, cream, with rosy red. delicate, confluent blotches 
on the whorls and base. C. menkei may be described as a more 
delicately sculptured and coloured shell than typical Cl yatesi. 
