242 



Shell Life 



made to the lip the hitter expands into a broad 

 flap with five triangular processes, each grooved 

 beneath. There are three thick spiral ribs which 

 are more or less broken into tubercles. The colour 

 is yellowish - white tinged with brown, and the 

 mouth is closed by a pointed operculum. The 

 animal is of similar structure to those we have 

 been recently considering : the foot continued for- 



Pelican s foot — from below 



ward in advance of the head ; the long snout and 

 awl-shaped tentacles, with the small black eyes on 

 little footstalks at their base. It is cream coloured, 

 mottled with purplish brown and flecked wdth yellow 

 and white, the whole effect being that of the sand 

 upon which it glides awkwardly in the coralline zone 

 (15 to 50 fathoms), as though its shell were an 

 encumbrance to it. The Shetland Pelican's - foot 



