t 3 ] 



FIG. 8. 



SERPULA (Lagena) laevls globofa. 



The fmooth round Flafk Wormfhell, 

 The colour white and tranfparent» 

 From Sandwich — very rare. 



FIG. 9. 



SERPULA (Lagena) Isevis ovalis. 



The fmooth oval Flafk Wormfhell, 



The colour bluifh- white, very tranfparent like glafs, 



From Sandwich— very rare 



F I G. 10. 



SERPULA (Retorta) rotunda marginata cervice curvatim exerto. 

 The marginated Retort Wormfhell, 

 The colour white and opaque, 

 From Sandwich — not common. 



F I G. II. 



SERPULA Re£Va anfradl:ibus tribus contiguis rcgulariter involutis. 



The ftrait horn Wormfliell.with three clofe intorted fpires at the tip. 

 The colour white, femitranfparent. 

 From Sandwich — rare. 



This fiiell, tho' icfembling the femilitiius of Linneus, p. 1163, N^aSo, is not of the 

 genus of Nautilus, having neither fyphon in the aperture, nor the inttnial concamcratcd 

 ftrudurc. 



B 2 



FIG. 



