PLATE IV, 



PIG. 



1. Murex Ramosus 



2. Murex Rana . . 



3. Murex Maculosus . 



4. Trochus Zizsiphinus . 



5. Trochus Perspective 



6. Trochus Dolabratus . 



7. Turbo Scalaris . . 



8. Turba Clathrus . . 



Branched Murex. 

 Frog Murex. 

 Spotted Murex. 

 Livid Top Shell. 

 Staircase Shell. 

 Zebra Shell. 

 Wentle Trap. 

 False Wentle Trap 



