444 MESSES. MELVILL AND STANDEE ON [June 18, 



Characterized by its stout build, whorls once-angled, whitish, 

 banded and hlleted with chestnut, the outer lip much thickened, 

 tseniate, within blood-red or, in one example, chestnut, columella 

 stained at the base with the same colour. Mouth narrow, 

 cinereous or slate-coloured within. This species would by some 

 authors be considered a Glyphostoma. 



Mangilia theskeloldes Melv. 

 I. Karachi. 



The nearest ally is M. theskela M. & S. from New Caledonia 

 and the Loyalty Isles. 



Mangilia townsendi Sowb. 



P.G. Gulf of Oman. Especially line at Jask. 



M.C. Charbar, Gwadur, Ormara, Astola Island, &c. ; met with 

 generally along the coast from low-water mark to 15 fathoms, on 

 muddy sand. 



MANGILIA(GLYPHOSTOMA)OBTUSICOSTATASm. (Plate XXI. fig. 4.) 



P.G. and M.C. Occasionally occurring singly, rare. 

 I. Karachi, local. 



Mangilia (Glyphostoma) rugosa Migh. 

 P.G. Gulf of Oman, Maskat. 15 fathoms. 



I. Karachi. In 3-7 fathoms, amongst loose stones and 

 muddy sand. 



Mangilia (Glyphostoma) soror Sw. 



P.G. Bushire, Hindarabi I. Galig I. Kishm I. 



M.C. Fairly general along the coast. 



I. Karachi Harbour, where the finest specimens of all occur 

 in 5 fathoms, among loose stones and muddy sand. 



Mangilia (Glyphostoma) spurca Hinds. 



P.G. Linjah, 3g fathoms. Henjam I., 15-28 fathoms. 

 Bahrein Islands. Gulf of Oman, Maskat, 15 fathoms. 

 I. Karachi. 



Clathurella albicaudata Sm. 



I. Karachi. On rocks amongst weeds at low tide. 



Clathurella bicolor Angas. 



I. Karachi. 



Clathurella eoraminata Reeve. 



I. Bombay (Abercrombie). 



Var. camacina Melv. 

 M.C. Charbar. 7 fathoms. 



I. Karachi. Also lat. 18° 58' N., long. 71° 43' B. 40 fathoms. 

 The variety is always larger and paler than the type. 



Clathurella horneana Sm. 

 P.G. Bushire. 



I. Karachi. Amongst weed and sand on rocks at low tide, 

 locally most abundaut, and probably extending to Ceylon. 



