; 
Cirrhipeda, Conchifera, and Mollusca. 347 
56. TURRITELLA NODULOSA, 
T. testd elongato-turritd ; anfractibus striatis; striis duabus maximis 
subnodulosis ; long. 1414; lat, 7; fere; poll. 
Habitat? Mus. Brit., nost. 
The two large strie, which are remarkable.for the nodules, are not far 
from the*middle of each whorl, and generally are nearer the upper su- 
ture: of these the lowest is the largest. 
57. MUREX SALEBROSUS, 
M. testd elongato-ovatd, subalbidd, fasciis fuscis, epidermide cinered ; 
spird brevi; anfractibus angulatis, nodulosis ; aperturd oblongd ad 
basin angustd, castaned, intus albd ; labro interne denticulato, den- 
tibus obtusis albis ; columelld rectd, levi; canal brevi ; long. 3775; 
lat. 2; poll. 
Habitat? Mus. nost., Geo. Sowerby. 
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, testé ventricosd, albd, fasciis elevatis striatis ; septemfariam va- 
ricosd, varivibus rosets denticulatis ; aperturd rotundatd, rosed, in- 
tus albidd ; labri margine asperrimé denticulato ; caudd mediocri, 
sub-recurvd ; long. 312; lat. 27;; poll. 
Habitat? Mus. nost. 
59. TrITON RANELLIFORMIS. 
T. testd ovato-fusiformi, subdepressd, albidd fusco fusciatd, costatd ; 
costis granulosis, interstitiis striatis ; aperturd subrotundd, albidd ; 
columelld subrugosd ; labro interne obtuse denticulato ; margine un- 
dulato ; epidermide viridi-fusca, scabrd ; long. 3%; ; lat. 1%; poll. 
Habitat ad Sinum Pefias et oram occidentalem Americ meridionalis, 
Mus. Brit., nost., Brod. 
The denticules of the outer lip are ranged in pairs at regular and 
somewhat distant intervals. 
