mil 



DESCRIPTION OF THE FRONTISPIECE. 



The reader must suppose a perpendicular line drawn through 

 the centre ; then the order, proceeding in each case from the top, 

 will be as follows : — 



LEFT HAND. 



Eburna glabrata, 



" Ivory shell." 

 Pteroceras chiragra. 

 Conus tertile. 



" Gold brocade." 

 Subula (Terebra) ma- 

 culata, 



" Spotted needle." 



CENTRE. 



Hlppopus maculatus, 

 " Spotted horse-hoof.' 



Triton variegatus, 

 " Trumpet." 



Argonauta argo, 

 " Paper sailor." 



Area pilosa. 



A LITTLE TO THE 

 RIGHT. 



Murex palma rosse, 

 " Rose-bud murex." 



Solarium perspectivum, 

 " Stair-case." 



Tellina virgata, 

 "Striped tellen." 



RIGHT HAND. 



Murex regius, 



" Royal or rocky 

 murex." 

 Conus marmoreus, 



" Marbled cone." 

 Terebra subulata, 



"Awl." 

 Scalaria pretiosa, 



"Wentle trap." 

 Murex tenuispina, 



" Venu.s's comb " 



