30 IANTHINA. 



Genus IANTHIXA, Lam., 1799. 

 us, Lam. PI. 0, figs. 94-5 ; PI. 10, fiVs. 0-10. 

 Whorlssloj >nvex,with obtusely anirnlated pcriplh 



r lip of apertur- violaceous white 



aboN in purplish Of out below. I>iam. !") in<- 



an, Atlantic 0., Indian 0., Pacifi' 

 My Liniueus' // 



:iiish two species which they suppose 

 ontounded under the n:une of l.frufjili* ; < 

 6 to the more acutely .'insulate. 1 forms (figs, '.'I. 

 3, etc.), whilst /. Lam. (lijr. U9) the ji.-une ly which 



lie intended to rej.lace his I./rtujilis > <1 lor those with 



obtuse p' 1 confess that I cannot divide them sati- 



Mtly I include here as synonyms a series of 

 8, which have received the names of: 



/. Cos/, M<ireh, proposed for /. Wco/or, Costa (not Menke); 



. ray ; //- 1 if LinUtina. For-kal ; /. violacea, Adams ; 



Lpfnir,'j,hfi; : I. r/o/r/rv/, Mrch ; /. grandix, Brown; 



i, = I. Carpentcri, Morch (ti<r. 3), and var. con- 



. from Mazatlan ; /. Orbiynyi, Morch ; /. liiculvr, 



ke. 



Var. PLAN08P1KATA, Ads. ami Ileeve. Figs. 94-98. 



l>. with slojiiiiLrly convex whorls, obliquely plicately 



lla arched, somewhat dilately rt.'llected ; aper- 

 transverse,a little sinuous on the middle of the outer lip. 

 Diam. 1-4 inch. 



Atlantic Ocean, St. Helena, etc. 



Maybe nominally distinguished from /.//-'/ : ////s by its more 



v and more depressed -pire.as well as by the 

 "iind the colnmella ; but 



<-N with it by intermediate Amoiir 



11 ofp/a/c . luit with usually uniforni 



purple 1)086, may be placed lirre as synonym- /. tfeptt 



Reeve (fig. '. i; eve 



(fig. 95) : '//a, Reeve (fig. 9S) : forms with more elevate.l 



<^ I.fra: / and /. s, of 

 Lesson. 



