PLATE Lit. 



Ticrchus Ziziphlnus, livid. Penn. Br. Zool. No. 103. iah. 80. 

 fg. 103. 



Trochus pyramldalis imperforatus, lividus, rubro varlegatus, limbo 

 in siimmo quoque orbe circumdatus. Zizyphinus, 

 Da Costa Br. Conch, tab. 3.fig. 2. 2. /;. 37. 



This is one of the mofl 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 tlie western isles of Scotland. 



