120 SPECIFIC 



direction of the shell ; terminal valves lunulate and 

 striate ; the scales on the marginal skin in alter- 

 nate black and white divisions. 



Inhabits New South WaleSj the Indian and 

 American seas. 



Fig. 2. Lepas Tintinnahthim. 



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 i)urplisix 

 white, depressed, finely striated transverselv. Aper- 

 ture triangular. Operculum of four valves, two 

 larger. 



Inhabits Sumatra. 



Fig. 3. L. anat'ifera. 



Shell compressed, 5-valvcd, smooth, placed on 

 a peduncle. 



Lister Conch, tab. 439. fig. 2SS. 



Specimen white with a pearly lustre; — Pedun- 

 cle coriaceous, red or brown, wrinkled towards the 



