374 MESSRS. MELVILL AND STANDEN ON [June 18, 



Ceeithium moeus Lam. 



I. Karachi, Bombay Harbour {Lt.-Col. H. D. Olivier). 

 Var. patieiis Bayle { = C. rugosum Wood, prseocc.l With 

 the type, A variety of this occurs as follows : — 

 P.G. Gulf of Oman, near Jask, at low tide. 



Cebithittm eubus Martyn. 

 I. Bombay (^Ahercromhie). 



Ceeithium soabridum Beeve. 

 Cerithium columna Sowb., var. 

 P.Gr. On the telegraph-cable, not common. 



Ceeithium toeeesi Sm. 



I. Karachi. 



Seemingly identical with a N. Australian form. 



Ceeithium tbebueti Sm. 



I. Karachi. 5 fathoms, among mud and stones, 



Ceeithium (Colin a) pingue A. Ad. ' 



M.C, Charbar, and generally along the coast to Jask. 

 I. Karachi. 



At 5 to 7 fathoms, muddy sand and on rocky bottom, the 

 var. tceniatum Sowb. occurring occasionally with the type. 



Described originally from South Africa, a great extension of 

 range is now presented by this species, 



Ceeithium (Colina) maoeostoma Hinds. 



I. Karachi. 1 to 5 fathoms, on shingle. 



There are one or two doubtful Oolince in the collection, but in 

 view of the variability of the species it is best not to attempt to 

 differentiate them at present. 



Ceeithium (Yertagus) attenuatum Phil. 



M.C. On telegraph-cable, rare. 



This is the C. longicaudaium Ad. & Eve, 



Ceeithium (Veetagus) easciatum Brug. 



Var. martinianum Pfr. 

 P.G. Gulf of Oman, Maskat. Dredged in 10 to 15 fathoms, 

 muddy sand. 



Ceeithium (Veetagus) kochi Phil. 



M.C. Charbar Bay. 3 to 7 fathoms, amongst stones in sandy 

 mud bottom. 



Extends to E. Africa. 



Cerithium (Vertagus) obeliscus Brug. 

 I. Karachi. On rocks at low tide. 



