87 



joints grjdually decreafe a little to the pofter iorcnd, wliicli 

 is rounded. Length one eighth of an inch ; diameter of the 

 largefl part about one eighth of its length. 



We are indebted to Mr. Henry Boys for a good drawing 

 of this new Ipecies of JVautilus, found amongfl fome fmall 

 boxes of minute fhells belonging to our late worthy friend 

 of Sandwich, where it was undoubtedly found ; and regret it 

 came too late to be figured. 



a 



It is fomewhat fimilar in fhape to JV.fubarcuatus, Tab. 6, 

 fig. 5. but more curved, and at once 'iftinguiflied by its 

 carinated fides. -^ 



Slieli fmooth, glolly, ftraight, a little compreflTed, linear, Linearts. 

 and nearly of equal fize throughout, or a triHe tapering, and Tab. 30. f. 9. 

 furnifhed with faint ribs at the lefler end, which take rather 

 an oblique diietJIiion, and fcarcely extend half the length of 

 the fliell. It is pellucid white, except along the fides, and 

 at the divifions of the cells, which are opaque, and mark the 

 concamerations ; the fepta, about fourteen in number, run a 

 little oblique, and not quite regular : the anterior end is quite 

 fmooth, and terminated by a produced fyphon ; the other 

 end is rounded. Length nearly a quarter of an inch ; breadth 

 about one eighth of its length. 



Difcovcred amongft a parcel of minute Ihells, fent to us 

 by Mr. Laskey, who colleded them on the Ihell bank near 



Dunbar^ 



