as 



Cancellaria rioida. Cafic. testd ovatd, rigidd, pallidd vel brun- 

 ned concolore ; spird brevi, acuminatd, contabidatd ; anfractibus 5, 

 superne angulatis, spiraliter striatis, et longitudinaliter costatis, 

 costis rariusculis, sublmnellosis , acutis ; aperturd subtrigonali, in- 

 fra in canalem brevissimam desinente ; labio externa intiis sulcata; 

 peritremate acuta ; columelld triplicatd, plied inferiare minimd ; 

 labia interna corrugata ; umbilica mediacri, margine elevatiusculd : 

 lang. nV, l(tt- -^^cr pall. 

 IJab. ad Puerto Portrero, Americas Centralis. 

 A single specimen was dredged in thirteen fathoms with a sandy 

 bottom. Mr. Sowerby has several much larger specimens, with whose 

 locality he is unacquainted. — G. B. S. 



Cancellaria Cassidiformis. Cane, testd ovali, fulvd ; spird brevi, 

 apice acuminata ; anfractibus 6, spiraliter sulcatis, superioribus 

 angulato-nadulosis, ultimo maxima, prape suturam serie unicd tu- 

 bercularum, infra fascid pallidd, instruct o ; suturd distinctd, infrd, 

 subcanaliculatd ; apei'turd oblongd, infrd, in canalem brevem desi^ 

 nente; peritremate obtuso; labia interna expansa; calumelld tripli- 

 catd, plied siiperiore majare : lang. It^V. lot. 1 poll. 

 Hob. ad Panamam. 



The young shells of this species resemble those of the Cane, nodu- 

 lifera, in the Appendix to theTankerville Catalogue, p. xv. The full- 

 grown shell is here described from a specimen in Mr. Sowerby's col- 

 lection, all those obtained by Mr. Cuming being young. 



Dredged from a sandy muddy bottom in sixteen fathoms water. — 

 G.B. S. 



Cancellaria ovata. Cane, testd ovali, levigatd, brunned, epider- 

 mide tenui fused indutd ; spird brevi, subacvminatd ; anfractibus 7, 

 spiraliter sulcatis, ultimo maxima, ventricosinscula ; suturd di- 

 stinctd ; aperturd elangatd, superne angustiore, acuminatd, infrh 

 emarginatd, canalem brevissimam effarmante ; peritremate acuta, 

 prope basin sinuato, labia externa intiis sulcata ; columella' plicis 

 duabus, validis, tertid inferiare obsaletd ; umbilico minima vel nulla : 

 long. l-rT> lat. ~;\ poll. 

 Hob. ad Sanctam Elenam, Columbiae occidentalis. 

 This species resembles Cane, reticulata more nearly than any other; 

 its proportions are however very different, and it is a much smoother 

 .shell : the smaller volutions are somewhat cancellated. 



Found in from eight to ten fathoms water with a sandy bottom. — 

 G.B. S. 



Cancellaria acuminata. Cane, testd avaio-oblongd, lavigatd, 

 fulvescente, pallidioj-e subfasciatd ; spird mediacri, subulato-acu~ 

 minatd; anfractibus 6 — 7, spiraliter sulcatis et longitudinaliter ob- 

 solete costatis, ultimo magna ; aperturd mediacri, superne acumi- 

 natd, infra emarginatd, canalem brevem effarmante ; peritremate 

 acuta, crenulato, prope basin sinuato ; labia intiis sulcata ; colu- 

 melld plicis duabus validis, tertid obsaletd inferiare ; umbilico mi- 

 nima vel nulla : long. ^V. let- ^(y poll. 



Hah. ad Guacamayo, Americse Centralis. 



