6 MARINE SHELLS OF SOUTH AFRICA. 
Nassa PRoDUCTA, Sowerby, n. sp. (plate 8, fig. 4, 5.) 
Testaelongato-turrita, pallidelutescens, fusco unifasciata, spira 
perelata, leviter convexa, ad apicem acuta; anfractus 9, 
rotunde convexi, sutura impressa sejuncti, costis longitudinis 
numerosis crassis instructi, spiraliter tenuiter lirati; ultimus 
brevis, rotundatus, ad basin excavatus; apertura rotunde 
ovata, intus lirata; labrum tenue, extus varicosum ; 
columella rugosa. 
Long. 13.50, diam. 5 millim. 
Hab. Durban. 
A shell allied to N. :mcvassata, but ot a very elongated form. 
Nassaria acumINaTA, Reeve, Conch. Icon. (Tvifon), pl. 14, 
fig. 54.—Durban. 
PuRPURA DUBIA, Avaiss, is COMINELLA LAGENARIA. 
PurPuRA CASTANEA, Krauss, Kiister Monog. p. 170, pl. 28, 
figs. 8, 9 —Cape of Good Hope (Krauss). 
Purpura (lopas) Situra, Reeve, Conch. Icon. (Buccinum) 
pl. 6, fig. 40.—Durban (Turton). 
SIsTRUM UNDATUM, Chemnitz, Tryon, Man. of Conch. 
vol. ii., p. 189, pl. 59, fig. 259 and 261. Murex margariticola, 
Brod., Reeve, Conch. Icon (Murex), fig. 178.—Durban. De- 
lagoa Bay (Gibbons). 
SISTRUM ELONGATUM, BSlainville, Reeve, Conch. Icon. 
(Ricinula), pl. 4, fig. 25.—Durban. 
S1stRUM mutiIcuM, Lamk, Reeve, Conch. Icon. (Rzcinula), 
pl. 2, fig. 6.—Durban. 
SISTRUM AFFINE, Peasz, Proc. Zool. Soc. 1862. Tryon 
vol. ii., pl. 57, fig. 228, as var. of S. Marginatrum. 
SIsTRUM PARVULUM, Gould, Proc. Bost. Soc. vii., p. 328. 
Simon’s Bay (Stimpson). Probably a var. of S. Marginatrum. 
SISTRUM CONCATENATUM, Lamarck, Reeve, Conch. Icon. 
(Ricinula), sp. 18.—Durban. 
SisTRUM coronaTuUM, H. Adams, Proc, Zool. Soc. 1869, 
p. 272, pl. 19, fig. 4—Natal. A specimen much larger than 
those from Mauritius, 
CoraLLiopHiLta Fritscui, Martens, Jahrb. Mal. Gesell. i., 
p. 135, pl. 6, fig. 3. Tryon vol. ii., p. 208, pl. 65, fig. 352. 
—False Bay ‘Martens). 
