MELVILL — MARINE MOLLUSCA. 109 



254. Fusus tuberculatus, Lam. 



Loc. Cargados Carajos : Stations B 8, 30 fathoms, B 9, 30 fathoms. 



Chagos Archipelago : Diego Garcia, Barachois Maurice. 

 Extends northward to the Red Sea. 



255. Zatirus barclayi (E,eeve). 

 Loc. Coetivy I. 



A Mauritian species. 



256. Latiru8 craticulatus (Lam.). 

 Loc. Coetivy I. 



257. Latirus polygonus (L.). 

 Log. Coetivy I. 



Chagos Archipelago : Diego Garcia. 



258. Latirus turritus (Gmel.). 



Loc. Cai'gados Carajos : Stations B 2, 31 fathoms, B 9, 30 fathoms. 



259. Latirus {Feristernia) corallina (Melv. & St.). 



Peristernia corallina, Melvill & Standen, Ann. & Mag. Nat. Hist. ser. 7, vol. xii. (1903) p. 308, 

 pi. 22. fig. 11. 



Loc. Amirantes : Station E 9, 31 fathoms, among Polyzoa and shell-rubble. 



This was described five years ago from Maskat (Muscat) at the entrance to the 

 Persian Gulf ; and it was then suggested that, owing to its appearance and texture, it 

 would probably be found to inhabit corals. 



260. Latirus {Peristernia) iiassatula (Lam.). 

 Log. Coetivy I. 



A small, brightly coloured variety. 



261. Latirus [Leucozouia) smaragdula (L.). \_^=- rustic a, h^m..] 

 Loc. Chagos Archipelago, common. 



Family Mitridse. 



262. Mitra floccata, Eeeve. 

 Log. Cargados Carajos, 30 fathoms. 



One specimen, not adult. Cargados Carajos is, I believe, the headquarters for this 

 rare Mitra. 



263. Mitra pontificalis. Lam. 

 Log. Chagos Archipelago. 



