PLATE LII. 



Trochus Ziziphinus, livid. Penn. Br. Zool. No. 103. tab. 80. 



fig. 103. 

 Trochus pyramidalis imperforatus, lividus, rubro variegatus, limbo 



in summo quoque orbe circumdatus. Zizyphinus. 



Da Costa Br. Conch, tab. Z.fig. 2. 2. p. 37. 



This is one of the moft elegant of the testaceous tribe found on 

 our coasts ; the colour in general is flefli colour or pale red, ele- 

 gantly variegated with deeper red or brown in streaks, waves, and 

 chequers; when the exterior coat is worn, the shell is of a fine 

 pearly hue. 



It is not an uncommon species on the English shores, and is also 

 found in the Orkneys and the western isles of Scotland. 



