[ 7 ] 



FIG. 24. 



HELIX Apertura ampla ovali anfraiStibus apicis refuplnatis. 



The fnail with a large oval mouth, and the fpires of the tip turned 

 backwards. 



The colour of horn femipellucid and glofl/, 



From Sandwich — very rare. 



F I G. 25. 



HELIX Globofa duobus anfra6libus Isvis apertura fubrotunda. 



The fmooth round fnail with two fpires and a roundifh mouth. 

 The colour white, opaque and glofly, 

 From Sandwich — not common. 



F I G. 26. 



HELIX Unici anfra6lus fubumbilicata apertura rotunda marginata eleganter 

 reticulata. 



The round mouth'd reticulated fnigle fpired llightly fubumbi Ilea ted 

 fnail, 



The colour white and pellucid. 

 From Reculver — extreamly rare. 



FIG 27. 



HELIX Utrinque umbilicata apertura rotunda unici anfraclus. 

 The fmgle fpired umbilicated round mouth'd fnail, 

 The colour white, opaque and gloffy, 

 From Sandwich — not common. 



FI G. 28. 



