150 SPECIFIC 



PLATE XVII. 



Fig. 1. Strombus Pes Pelecani. 



Shell having the outer lip palmate, with four an- 

 gular 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. Aiiris Diance. 



Shell haviiig the outer lip mucronate j back mu- 

 ricate ; 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. Urceiis. 



Shell having the outer lip attenuated, rctuse, 

 short and striated; body and spire with tubercu- 

 lated plaits; aperture two-lipped, unarmed. 



Lister Conch, tab. 857. fig. 13. 



