397 



Conical, with a short spire, smooth, of a pale rose colour with 

 faint greyish bands. The outer lip extends over the spire and 

 at the back of it, at the upper part of the body whorl, is a 

 calosity. 



Gulf of Mexico. 



88. * Marginella obesa (pi. lxvi. f. 91, 92.), nolis. 



M. labiaia similima sed magis elongata, spira magis products. 

 This species is more elongated than M. labiata, with the spire 

 more produced. In Professor Bell's Collection. 



89. Marginella curta (pi. lxxvii. f. 88, 89.), Sow. Zool. 



Proc. 



M. conico-subovali, fusco-cacrulescente, transversim pallide fas- 

 ciata ; spira brevi, conica ; apertura angustata, castanea ; colu- 

 mella callosa, expansa, castaneo marginata, quadriplicata ; labio 

 externo crasso, lsevi, postice valide emarginato, intus albo, extus 

 castaneo, valide varicoso. 



Of a short, conical form, and greyish brown colour crossed by 

 white interrupted bands in both directions. The columella is 

 thickened and spread over the body whorl. The outer lip is 

 smooth, very deeply emarginated at its union with the body whorl. 

 The inside of the mouth, the outer edge of the inner and outer lips 

 are of a very deep chesnut colour. 



Casma and Samanco, Peru. 



90. Marginella longivaricosa (pi. lxxvi. f. 112, 113.), 

 Lam, vii. p. 358. M. guttata, Billw. i. p. 526. 



M. oblongo-ovali, lsevi, carnea maculis albis, rotundatis sparsa ; 

 spira parva, mamelliformi ; anfractu ultimo prope marginem pos- 

 tice calloso , sutura fusco cincta, ; apertura, elongata postice cana- 

 liculata angustata ; collumella callosa, expansa, quadriplicata ; 

 labio externo crasso, lato, antice vix emarginato, intus laevi, extus 

 varicoso, fusco fasciato. 



Oval, oblong, smooth, of a flesh colour sprinkled with round 

 white spots ; spire very small, mammeliform, the last whorl swelled 

 at the posterior part near the margin. The suture is banded with 

 brown. The aperture is lengthened, the collumellar lip spread 

 thickly over part of the body whorl, the outer lip very thick and 

 broad and crossed by rich brown bands. 



There is a variety in Mr. Cuming's Collection, of a pale colour, 

 without the bands. From Honduras Bay and Jamaica. 



2 L 



