18 MARINE SHELLS OF SOUTH AFRICA. 
Long 8, diam. 8 millim. 
Hab. Durban. 
A small shell resembling one of the larger species of 
Leptothyva (Collonia), from which section it differs principally 
in the form of its operculum. 
PacuypoMa TayLortanuMm, Smith, Proc. Zool. Soc. 1880, 
pl. 48, fig. 9, p. 483.—Port Elizabeth. This species was 
described from a single specimen without locality in the 
collection of the late Thos. Lombe Taylor. 
GippuLa Tryon, Pilsbry (Plate 6, fig. 22.) Manual of 
Conchology, vol. xi., p. 239, pl. 69, figs. 20, 21. G. imeincta, 
Sow. Journ. of Conch., April 1894, is a synonym. 
GipBuLa FucaTA, Gould, Proc. Boston Soc. Nat. Hist. 
p. 8, p. 20.—Simon’s Bay (Turton). 
GIBBULA LocuLosa, Gould, ‘ Otia,” p. 159.—False Bay. 
MARGARITA PINTADO, Gould, “ Otia,” p. 154.—Simon’s 
Bay. 
MarGARITA ARTICULATA, Gould, “ Otia,” p. 154.—Simon’s 
Bay. 
Monitea spuriA, Gould, “ Otia,” p. 155.—Simon’s Bay. 
SOLARIELLA SPLENDENS, Sowerby, n. sp. (pl. 6, fig. 21).— 
Testa depresse orbicularis, late et profunde umbilicata, aureo- 
nitens, fusco maculata, ad basim fusco oblique strigata; spira 
breviter conica, gradata, ad apicem acuta; anfractus 64 
tabulati, spiraliter grano-lirati, sutura canaliculata sejuncti ; 
anfractus ultimus depresse rotundatus, supra angulatus, 
infra rotundatus, liris 7, supremis granulatis, cceteris planis ; 
basis convexa, levis; umbilicus perspectivus, intus grano- 
liratus; apertura sub-quadrata, vix obliqua; columella oblique 
rectiuscula, vix callosa. 
Alt. 6, diam. 9 millim. 
Hab. Natal. 
A pretty little shining shell, smooth below and with 
about 7 ridges above the periphery, the upper ridges being 
beaded. 
CatLiostoma Layarp1, Sowerby, n. sp. (pl. 8, f. 10, 11). 
Testa conica, elatiuscula, angustissime umbilicata, argenteo- 
nitens, ad angulum vivide rubro bicingulata, ad basim rubra ; 
spira acuta, ad apicem vivide rubra ; anfractus 64, primi (2) 
leves rotundati, sequentes plano declives, liris 4 leviter 
nodulosis instructi, ad angulum rubro bicarinati; sutura 
