558 



CATALOGUE^ — SHELLS. 



or right-handed rope, and those of the two lower carince are in the 

 opposite direction, or Hke what is termed a hawser-laid rope. 

 Between these nodulous carince are elevated lines, and the base is 

 very strongly striated. Found in deep water in the Bay of Valpa- 

 raiso. Dead shells of this species are occasionally found thrown 

 upon the beach, near the Almendral. 



56. TURRITELLA NODULOSA. 



T. testd elongato-turritd ; anfractibus striatis ; striis duabus maximis 

 subnodulosis ; longA\\ ; lat. -j^Jere; foil. 

 Habitat ? Mus. Brit., nost. 



The two large .HricE, which are remarkable for the nodules, are 

 not far from the middle of each whorl, and generally are nearer 

 the upper suture : of these the lowest is the largest. 



57. MUREX SALEBROSUS. 



M. testd elongato-ovatd, subalbidd, Jasciis fuscis, epidermide cinered ; 

 spird brem ; anfractibus angulatis, 7iodulosis ; aperturd oblongd 

 ad basin angustd, castaned, intus albd ; labro interne denticulato, 

 dentibus obtusis alhis ; columelld rectd, Icevi ; canali brevi; 

 long. 3J.; lat. 2; poll. 

 Habitat ? Mus. ?iost.j Geo. Sowerbi/. 



This species approaches Murex vitulinus very nearly ; the body- 

 whorl is very much elongated, and the nodules which mark the 

 angles of the whorl are formed of the more elevated parts of what 

 may be termed coarse longitudinal plaits. 



58. Murex Rhodocheilus. 



M. testd ventricosdj albd, fasciis elemtis striatis ; septemfariam va~ 

 ricosd, mricibus roseis denticulatis ; aperturd rotundatd, rosed, in- 

 tus albidd ; labri margine asperrime denticulato ; caudd mediocri, 

 sub-recurvd ; long. 3-i J ; lat, 2-j\ ; poll. 

 Habitat 9 Mus. nost. 



59. Triton ranelliformis. 



T. testd ovato-fusiformi, subdepressd, albidd fusco fasciatd, costatd ; 

 costis granulosis, interstitiis striatis ; aperturd subrotundd, albidd ; 

 columelld subrugosd ; labro interne obtuse denticulato ; margine 

 undulate ; epidermide viridi fused, scabrd ; long. S^^ ; lat. 1| ; 

 poll. 



Habitat ad Sinum Penas et oram occidentalem Americcs meri- 

 dionalis. Mus. Brit,, nost., Brod. 



