F\MM N FOH I RIB / 



Genui FO68ARU8, n.ii. 1841, 



AMr.K.i r>, Linn. IM. 52, ti 



Spirally striated, three of tin- -tri:c usually moiv pn.riiijr 

 tocaii-e the body whorl to appear aiiLfulatr.1 or can nat, d, , 

 light yellowish brown, aperture white. Lenin h, > mill. 



.!/////'// //'//////. S. 



The synonyms include /'. .\i{n.nni. IMiiL. /'. A///////-/, Haudon. 

 /''. lurnllinn, Seaeehi., /'. Xirn/n, Arailns. / <hi / 



i, IJrusina. 



!'. BLEGANB, Verrill cV Smith. IM. 51, li.r. ( .MI. 



Spirally earinatcd, (he last whorl with a earina at tin- 

 often with a smaller one just below it, a larger one a-;iin at tin- 

 periphery, and three or four smaller ones below. l)c<id<- :| -piral 

 fold round the umhilieal I'e^ion ; t here are also Mimetime- r, 

 three strong raised variees, whorls latticed between the ca 

 white, umbilicus narrow, sometimes closed. Length, .V:5 mill. 



Off Martha'* Vineyard, Mass.; Inn fin*. 



This may prove to be a variety of /'. <iin/>i(/iius. 



l\ OiiMKJNYr, Fischer. IM. ~>'2, fi-. U. 



t'mbilicated, w hite, 'ru,<r<s<', with several distant spiral rihl-K t In 

 in.terstices Iongitii(Jinally striate ; whorls 4, convex, with excavated 

 suture. Length, S, djani. U mill. 



Cuba. Xf<i. Lur'm, .l<n- 



Described by d'Orbigny as /'. xnlnitn*, and chan-'ed a- :il 

 account of F. sulcatux, Wood. 



F. Mi-:i)i<>( ins, Folin. PI. 51, fig. 97. 



Minute, imperforate, spirally ribbed, the snlci between the rib- 

 longitudinally crenately striate: whorls I. OODV6X, with simple 

 suture, chestnut colored. Length, -N5 mill. 



l>" 



F. LAMELLO6U8, Montnm/. IM. ~sl. fiir. 7. 



Imperibrate, solid, with acute <|ire and dilated base, with -harp. 

 distant spiral ribs, of which there are four on the body whorl, the 

 two upper one.- >t longest, inters! in-.: longitudinally lamellarU -n 



Lonirth, (\-* mill. 



' 



