GASTROPODA, 15 
PURPURA LAPILLUS, Lamarck.—This very common Euro- 
pean species is quoted by Krauss as ‘Cape,’ but I have 
received no confirmation of its living there. 
PurPuRA (VEXILLA) VEXILLUM, Lamarck; Buccinwm 
verillum, Reeve, Conch. Icon. fig. 79.—Natal coast (Wahl- 
berg), Port Elizabeth (Bairstow). Not uncommon on the 
Mauritian coast. 
SISTRUM ARACHNOIDES, Lamarck, Reeve, Conch. Icon. sp.5. 
—Natal coast (Krauss). Common in various localities, from 
the Red Sea to the East Indian Archipelago and Polynesia. 
SistruM Morus, Blainville, Reeve, Conch. Icon. pl. 2, 
fig. 10.—Natal coast (Wahlberg). Various East Indian 
localities. 
SISTRUM ASPERUM, Lamarck, Reeve, Conch. Icon. sp. 13.— 
Natal coast (Krauss). 
SISTRUM GRANULATUM, Duclos (Purpura), Ann. des Science. 
Nat. tom. xxvi. pl. 2, fig. 2. Purpura tuberculata, Blain- 
ville, Ann. du Mus. tom. i. p. 204, pl. 9, fig. 3. Ricinula 
tuberculata, Reeve, Conch. Icon. pl. 2, fig. 11.—Natal coast, 
Port Elizabeth, Red Sea, and Indian Ocean. 
SISTRUM ANAXARES, Duclos (Purpura), Reeve, Conch. 
Icon. (Ricinula), sp. 61.—Natal coast (Krauss), Red Sea, 
and Indian Ocean. 
SISTRUM HEPTAGONALE, Reeve, Conch. Icon. (Ricinula), 
sp. 17.—Natal coast (Krauss). The specimen I have seen 
from Natal is very pale in colour. 
SISTRUM FISCELLUM, Chemnitz (Murex), Reeve, Conch. 
Icon. (Ricinula), sp. 28.—Natal coast (Krauss), Mauritius, 
and various Indian localities. 
SISTRUM ELATUM, Blainville (Purpura), Reeve, Conch. 
Icon. (Ricinula), sp. 27 = R. ochrostoma (Blainy.).—Natal 
coast (Krauss). 
SISTRUM LIvipuM, Reeve (Buccinum), Conch. Icon. sp. 87. 
—South Africa ?. ; 
PsEUDOLIVA ANCILLA, Hanley, pl. 1, fig. 18. Proc. Zool. 
Soc. 1859, p. 429; Sowerby, Journ. of Conch. vol. vi. p. 149, 
pl. 3, fig. 2.—Port Elizabeth. 
