150 
SPECIFIC 
PLATE XVII. 
Fig. 1. Strom BUS Pes Pelecani. 
Shell having the outer lip palmate, with four 
angular and flattened processes; aperture smooth. 
Lister Conch. Tab. 865. Fig. 20. 
Specimen white, within glossy, with three rows 
of tubercles on the whorls. 
Inhabits nearly all seas. 
Fig. 2. S. Auris Diancc. 
Shell having the outer lip mucronate ; back 
muricate ; tail erect, acute. 
Lister Conch. Tab. 872. Fig. 78. 
Specimen white ; back pale brown with whitish 
spots, towards the extremities and margin purplish ; 
interior of the outer lip flesh-colour; columella 
white, crowned with two rows of tubercles. 
Inhabits Asia. 
Fig. 3. S. Urceus. 
Shell having the outer lip attenuated, retuse, 
short, and striated ; body and spire with tubercu- 
lated plaits ; aperture two-lipped, unarmed. 
Lister Conch. Tab, 857, Fig. 13. 
