132 SPECIFIC 



Inhabits New South Wales, the Indian and 

 American seas. 



Fig. 2. Lepas tintinnahulum. 



Shell conic, obtuse, rugged. 



Lister Conch, tab. 443. fig. 285. 



Specimen with six erect valves, reddish purple, 

 rayed with white, striated longitudinally, deeply 

 towards the base ; intermediate spaces purplish 

 white, depressed, finely striated transversely. Aper- 

 ture triangular. Operculum of four valves, two 

 larger. 



Inhabits Sumatra. 



Fig. 3. L. Anatifera, 



Shell compressed, 5 -valved, smooth, placed on 

 a peduncle. 



Lister Conch, tab. 439. fig. 288. 



Specimen white with a pearly lustre ; — Pedun- 

 cle coriaceous, red or brown, wrinkled towards the 

 shell, paler and pellucid towards the base ; valve* 

 finely striate. 



Two larger valves three ^sided, curvilinear ; two 



