46 MARINE SHELLS OF SOUTH AFRICA. 



biangulati ; anfractus ultimus inflatus, rotundatus, sub- 

 oblique oblongus, spiraliter obscure liratus, minutissime 

 striatus ; apertura subcircularis, leviter obliqua ; peristoma 

 continuum, simplex. 



Diam. maj. 9| ; alt. 7 mill. 



A thin white inflated species, with a narrow umbilicus, 

 upper whorls bi-angulated, body-whorl very finely striated, 

 and showing very faint traces of spiral ribs ; the spire is very 

 small and rather acute, and the whorls are divided by a deep 

 suture. 



Hab. Port Elizabeth. 



CYCLOSTREMA PLANULATA, Sowerby, n. sp., pi. 1 1, fig. 49. 

 -Te.-ta orbiculata, compressa, tenuis, alba, late et profunde 

 umbilicata ; spira parva, vix exserta, planulata ; anfractus 

 3|, spiraliter btriati ; anfractus ultimus planato-convexus, 

 acutissime carinatus ; basis concava, lira elevata circa umbi- 

 licum munita ; apertura patula ; peristoma simplex. 



Diam. maj. 5, min. 4^ ; alt. H millim. 



A remarkable little shell, in which the spire is very small 

 in proportion to the body whorl, which is broad, slightly con- 

 vex at the top, and flattened at the base, with a sharp keel 

 at the margin. The shell somewhat resembles in form a 

 miniature Trochita calyptrceformis. 



Hab. Port Elizabeth. 



LIOTIA PULCHERKIMA, Adams, Ann. and Mag. Nat. Hist. 

 vol. vii. 1851, p. 332. ' Cape of Good Hope ' (Mus. Cuming.). 



HALIOTIS SAM;UINEA, Hanley, Keeve, Conch. Icon. fig. 17; 

 Sowerby, Thes. Conch, vol. v. pi. 439, fig. 93. Table Bay, 

 Port Elizabeth, and Cape coast generally. 



HALIOTIS MID^E, Linn., Keeve, Conch. Icon. fig. 16 ; 

 Sowerby, Thes. Conch, vol. v. pi. 431, fig. 31. = H. cap&nsis 

 (Dunker). Port Elizabeth and Cape coast generally. 



HALIOTIS PARVA, Linn., Reeve, Conch. Icon. fig. 53 ; 

 Sowerby, Thes. Conch, vol. v. pi. 429, fig. 17. = //. 

 canal iculata (Lamarck). Table Bay and Port Elizabeth. 



STOMATELLA SULCIFERA, Lamarck, Sowerby, Thes. Conch, 

 vol. iii. pi. 174, fig. 3. Natal (Krauss). 



STOMATELLA ARTICULATA, A. Adams, Thes. Conch, vol. ii. 

 pi. 174, fig. 2. I found a small specimen of this species in 



