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 Wales, the Indian and 
American seas. 
Fig. 2. Lepas Tintinnabulum. 
Shell conic, obtuse, rugged. 
Listej' CowcA. 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. 
Aperture 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 
