IQQ. PEKCY SLADEN TKUST EXPEDITION. 



245. Encjina meiidicaria (L.). i 

 Loc. Chagos Archipelago : Peros Baulios, Coin. ■ 

 Mostly of the deep black variety, with only one white spiral baud on the Ijody-whorl. 



A most abundant species. 



246. Fhos roseatus, Hinds. 



Loc. Caro-ados Carajos : Stations B 9, 30 fathoms, B 14, 30 fathoms, shell-rubble. 



Saya de Malha Banks : Station C 4, 150 fathoms. 



Amirantes: Stations E 5, 32 fathoms, sandy bottom; E 6, 28 fathoms, E 9, 

 34 fathoms, sheU-rubble (a variety) ; E 12, 32 fathoms, coral. 

 This is especially abundant in the Persian Gulf and Sea of Oman further north. 



247. Fhos textum (Gmel.). 



Loc. Amirnntes : Stations E 6 and E 9. 



Very probably only a form of P. roseatus. Hinds. 



Family Turbinellidae. 



248. Cynodonta armata (Brod.). 

 Loc. Cbagos Archipelago. 



Not adult, and referred here with a little uncertainty. 



249. Cynodonta cer arnica (L.). 

 Loc. Seychelles: Praslin I. 



250. Cynodonta crosseaua (Souv.). 



Turbinellu crosseaua, Souverbic, Jouni. de Conch. (187G) pp. 382-383, pi. 13. fig. 1. 

 Vasum murkatum, Boru, v. crosseanum, Souv. Tryon, Mau. C'oncli. iv. 



Hah. Seychelles (no exact sounding being given). 



A fine example of this rare shell, with some specimens hardly adult, showing an 

 interesting stage of growth. The conspicuous, button-like, creuulate apical whorls 

 distinguish this well from any form of muricatiwi, of which at first it Avas considered 

 a variety. 



251. Cynodonta cornigera (Lam.). 

 Loc. Coetivy I. 



Chagos Archipelago. 



Family FasciolariidsB. 



252. Fasciolaria filamentosa. Lam. 

 Loc. Seychelles : Praslin I. 



Chagos Archipelago. 



253. Fasciolaria trapezium. Lam. 

 Log. Cargados Carajos. 



Amirantes. 

 Seychelles : Praslin 1. 



