264 



CHITON PICTUS Bean. Shell oblong, smooth, 

 depressed, subcarinated, colour dark red with a few spots 

 of white, margin smooth and the fringe distinct, inside 

 crimson. Length i inch, breadth i inch.' 



This shell is more depressed, not so broad, and the 

 colour uniformly darker than C. Lcevigatus. It is 

 rare, only three specimens have been detected in com- 

 pany with C. Lcevis. 



PATELLA ATHLETICA Bean. Shell oval with 

 about twenty large tuber culatedpribs which project beyond 

 the margin and three or four smaller ones filling up the 

 interstices between each, apex obtuse and never central, 

 colour dull white but young shells are black between 

 the ribs which gives them a beautiful appearance ; inside 

 pearly. Length 2 inches, breadth 1| inch. 



The animals in this species are very hard and tough, 

 our Fishermen call them Kennocks and never use them 

 with the common P. Vulgata in baiting their hooks. 



TROCHUS ELECTISSIMUS Bean. Shell conic, 

 spires six, tapering to a fine point with numerous spiral 

 striae which are crossed by minute longitudinal lines of 

 growth only visible with the aid of a good magnifier ; 



color brown, with darker longitudinal oblique bands; 



aperture subquadrangular, inside pearly. Length 4 



