52 



externo inths sulcata ; lahio interno supra anfractuin ultimum ex- 

 tenso; columelld biplicatd, plied superior e maj ore : long.-^\, lat. 

 -,% poll. 

 Hub. in America Meridiotiali. (Bay of Caiaccas, St. Elena, and 

 Xipixapi.) 



A very elegant, small species, of a white colour, with three rows of 

 squarish brown marks ; like that of Cane, nodulifera (Sowerby in 

 Tankerville Catalogue, Appendix), the inner lip is spread over part of 

 the last volution, giving the full-grown shell somewhat of the appear- 

 ance of a Cassis. 



Dredged in a sandy muddy bottom in from seven to ten fathoms. — ■ 

 G. B. S. 



Cancellaria CiiAVATULA. Canc. testd turritd, hrunned, alhicante 

 bivittatd, varicosd ; spird attenuatd, acuminatd ; anfractibus 7, 

 rotundatis, spiraliter striatis, longitudinaliter costatis et varicosis, 

 varicibus sparsis ; aperturd subovali, in canalem desinente ,- labio 

 externo intiis sulcato ; columelld biplicatd ; peritremate refiexo : 

 long. 1 ,V, lat. ^ poll. 

 Hab. ad Panamam et Paytam. 



A turrited, fusiform, varicose species, which very nearly resembles 

 one of the Italian fossils. 



It was taken up from a sandv muddy bottom in seven fathoms water. 

 — G. B. S. 



Cancellaeia obesa. Canc. testd ovatd, acuminatd, Icevi, ponde- 

 rosd, pallidd ; spird brevi, attenuatd, decussatim striatd ; anfrac- 

 tibus 6 — 8 ventricosis, spiraliter leviter striatis, ultimo maxima, 

 Icevigato ; aperturd oblongd, utrdque extremitate acuminatd, infriX 

 in canalem brevem desinente ; labio externo intiis sulcato ; peritre- 

 mate tenuiore, infrU subsinuato ; columelld tripUcatd, plied svpe- 

 riore maximd, bilobatd, inferiore minijnd : long. 2-^, lat. l^^ poll. 

 Hab. ad oras Americae (Centralis. (Gulf of Dulce.) 

 When young, this shell is prettily decussated with rather prominent 

 though very narrow ribs j but with age it becomes nearly smooth, 

 with obsolete strice. 



Two young ones were brought from Puerto Portrero, and an aged 

 specimen was dredged in fifteen fathoms in the Gulf of Dulce. — G.B.S. 



Cancellaria brevis. Canc. testd subglobosd, albidd, brunneo- 

 varid; spird brevi, coiitabulatd ; anfractibus A — 5, superne angulatis, 

 crenatis, spiraliter sulcatis, et longitudinaliter costatis ; aperturd 

 obtuse trigond ; labio externo intiis sulcato ; peritremate obtusius- 

 culo, crenulato ; columelld biplicatd ; umbilico ynagno, margine ere- 

 natd : long. tV. ^«^- nV poll- 



Hab. ad oras Americae Meridionalis et Centralis. 



Another of those interesting species which form as it were tlie 

 passage from the typical Cancellaria to the species which Lamarck 

 has placed among the Delphinulce under the name of Delph. trigo- 

 nostoma. 



Two specimens were found, one at Puerto Portrero, the other at 

 St. Elena.- G.B.S. 



