51 



It was found in dredging in from eight to ten fathoms, with a sandy 

 bottom.—G. B. S. 



Cancellaria tuberculosa. Cane, testd subglobosd, albicante; 

 spird breviusculd, subacuminatd ; anfractibus 5, bullatis, superne 

 obtuse angulatis, spiraliter sulcatis et tuberculatis, tuber culorum 

 iriplici serie ; suturd late canaliculatd; aperturd obtuse subtri- 

 gonali, infra integrd; peritremate acuto ; columelld biplicatd, plicis 

 parvis, obliquis; umbilico magno : long. 1 \, lat. 1 -tV poll. 



Hab. ad littora America? Meridionalis. (Iquiqui.) 



Remarkable for its dull, calcareous, tuberculated surface, its wide 

 expanded aperture, and its widely channelled or contabulated spire. 



Dredged in seven fathoms water with a sandy muddy bottom. — 

 G. B. S. 



Cancellaria bullata. Cane, testd subglobosd, cinereo-fuscescente ; 

 spird mediocri, acuminatd ; anfractibus 5, bullatis, spiraliter stri- 

 atis, ultimo tuberculorum triplici serie ornato; suturd canaliculatd, 

 subcrenatd ; aperturd obtuse subtrigonali, infra integrd ; peritre- 

 mate acuto ; columelld biplicatd, plicis parvis, obliquis ; umbilico 

 magno : long. 1-rV, lat. 1 poll. 

 Hab. ad littora America? Meridionalis et Centralis. (Payta and 

 Gulf of Nocoiya.) 



Very like the last 5 it differs, however, in colour, in being more 

 acuminated, and in its tubercles being less prominent 5 it is, more- 

 over, a thinner shell. 



Found in twelve fathoms water with a muddy bottom. — G. B. S. 



Cancellaria Mitriformis. Cane, testd oblongd, brunned ; spird 

 elongatd, acuminatd; anfractibus 7, cancellatis, prope suturam 

 unicarinatis ; aperturd oblongd, in canalem longiusculam recurvam 

 desinente ; peritremate infra sinuato, margine externd fimbriato- 

 laceratd ; columelld biplicatd, plied superiore magnd, alterd parvd 

 et basi columella rugulosd : long. 1 T V, lat. -^ poll. 



Hab. ad Panamam. 



A single specimen of this interesting shell was dredged in sandy mud. 



It is the most elongated species hitherto seen by Mr. Sowerby, and 

 in appearance approaches to the Mitres. — G. B. S. 



Cancellaria goniostoma. Cane, testd oblongd, fused ; spird acu- 

 minatd, gradatd; anfractibus 6, superne contabulatis, spiraliter 

 striatis, longitudinaliter tuberculato-costatis ; aperturd trigonali, 

 albicante; peritremate refiexo, crenato ; columelld biplicatd, plicis 

 obsoletiusculis, obliquis; umbilico maximo : long. 1 T V, lat. -^poll. 

 Hab. ad littora America? Centralis. (Conchagua, San Salvador.) 

 A very fine and interesting species, of which a single specimen alone 

 was brought up from a sandy bottom in eight fathoms water. 



It is an approximation to the shell named Delphinula trigonostoma 

 by Lamarck, which would be properly placed in the genus Cancellaria 

 next to this species. — G. B. S. 



Cancellaria tessellata. Cane, testd oblongd, ovulatd, albicante, 

 brunneo-tessellatd; spird brevi, obtusiusculd; anfractibus 4, de- 

 cussatis, ultimo maximo ; aperturd oblongd, ad basin integrd; labio 



