90 PEECY SLADEN TEUST EXPEDITION. 



93. Ceritkium {Vertagus) tenuisculptum, Sowb. 



Loc. Cliagos Arcliijielago. 



Near C. articulatum, Reeve, but seemingly distinct. 



9J'. Fotamides {Tympanotonos) paliistris [h.]. 



Loc. Seychelles : Praslin I. 



Inbabiting brackisb waters and swamps. 



95. Tripliora* complanata, 'Preston. 

 Loc. Amirantes : S. Josepb I. 



Agreeing with typical complanata in sculpture, but slightly different in form. Type 

 Ceylonese. 



9G. Tripliora corrugata (Hinds). 



Loc. Cargados Carajos : B 13, 30 fatboms, coarse coral-rubble and sand. 



97. Tripliora sculp ta (Hinds). 



Loc. Cargados Carajos : Station B 29, 47 fathoms, rough bottom. 



98. Tripliora [Mastonia) coetiniensis, sp. nov. (Plate 5. fig. 8.) 



T. testa mediocri, compacta, solidula, pupoidea, cinereo-brunnea, versus apicem 

 attenuata ; anfractibus ad 14, quorum apicales ipsi duo asperi, albo-vitrei, quatuor 

 his proxiinis duobus ordinibus tuberculatis, coeteris tribus, ultimo quinque spiraliter 

 instructis, tuberculis rotxindis, nitidis, albo-cinereis ; apertura fere rotunda, labro 

 crenulato, tenui, brunneo tincto, canali breviter rostrato. 

 Long. 13, lat. 4 mm. 

 Loc. Coetivy I. 



An ashy-brown little Tripliora, evenly spirally tubcrcled throughout with shining 

 small gcmmte, of a compact growth, attenuate towards the apex, otherwise robust ; on 

 the upper whorls the spiral rows are alternately straw-coloured and grey, the lower 

 whorls, however, are of a uniform dull grey, the orifice being tinged with brown, as is 

 the shortly beaked canal. 



Prom figures and descriptions this species must be near T.fwiehris, Jouss., from New 

 Caledonia, and T. intermedia, C. B. Ad., from the Antilles. 



99. Tripliora (Viriola) trilirata (Desh.). 



Triforis iriliraius, Desh. Moll. Reunion, tal). xi. Hg. 27. 



Triforis mcisus, Pease, var. iriliraius, Desli., Tryon, Man. Conch, ix. 190, pi. 39, fig. 05. 



Loc. Coetivy I. 



One specimen, agreeing with description and figure of the above. 



* For t,ho use of rc/p/'ora instead of the familiar 7'/-//'oris, c.f. C. Tlerlley, Froc. Linn. .Soc. N. S. Wales, xxvii. 

 (1903) pp. 008 sqq. 



