10 MARINE SHELLS OF SOUTH AFRICA. 
MarGINELLA Burnupl, Sowerby, n. sp. (pl. 6, fig. 35). 
Testa cylindrica, alba, solidiuscula ; spira fere plana ; apertura 
angusta; columella quinqueplicata; plicis acutis; labrum 
crassiusculum. 
Long. 4, diam. 2 millim. 
Hab. Port Elizabeth. 
A small cylindrical white shell with the spire almost flat. 
MarcINELLA Ponsonsyl, Sowerby, n. sp. (pl. 6, fig. 2). 
Testa subcylindrica, nitens, sub-pellucida, pallide cornea, 
strigis fulvis transversis irregulariter ornata; antice leviter 
attenuata, postice vix inflata; spira obtuse conica, parum 
elevata; apertura angustiuscula, antice paulo latior; colum- 
ella triplicata; labrum incrassatum. 
Hab. S. Africa. 
Long. 9, diam. 5 millim. 
A sub-pellucid shell of somewhat cylindrical form, pale 
in colour with transverse fulvous streaks, some of which run 
obliquely. 
CoLUMBELLA FULMINATA, Gould, “ Otia,”’ p. 131.—Simon’s 
Bay (Stimpson). 
CoLuMBELLA optusa, Sowerby, Thes. Conch., vol. i., p. 120, 
pl. 37, fig. 63.—Durban. 
CoLUMBELLA PYRAMIDALIs, Sowerby (pl. 6, fig. 4), Journal 
of Conchology, vol. vii.. p. 7—Port Elizabeth. 
CoLUMBELLA KITCHINGI, Sowerby, pl. 6, fig. 3, Journal of 
Conchology, vol. vii., p. 7.—Green Point, Cape of Good Hops, 
CoLUMBELLA MERcATORIA, Lamarck, Sow., Thes. Conch., 
vol. i, p. 115, pl. 36, figs. 28-32.—Natal. Very common 
in the West Indies. 
CoLuMBELLA LiGuLa, Duclos, Monog., pl. 2, figs. 11-16, 
Sow., Thes. Conch. vol. i.. p. 123, pl. 38, figs. 83-85.—Natal 
(Gibbons). Is. Ticao (Cuming), Solomon Islands, and 
Australia. 
CoLUMBELLA AVENA, Reeve, Conch. Icon. (Columbella), 
fig. 158.—Buffalo, Cape Colony (Reeve). 
CotumBeLtta Lanciryi, n. sp. (pl. 8, f. 8, 9).—Testa 
elongata, pellucida, succinacea, polita; spira acuminata, 
acutiuscula, ad apicem obtusa ; anfractus 5, convexi, longitu- 
dinaliter obscurissime plicati, superne obtusissime angulati ; 
ultimus spiram fere equans, leviter inflata, basim versus 
leviter attenuatus; apertura oblonga; columella levissime 
contorta ; labrum tenue. 
