CANCELLARIA.— Plate I. 



SowEKBY, Pro. Zool. Soc. 1S32, p. 52. 

 Hub. Eeal Llejos, Central America ; Cuming. 



A very solid globose shell, concavely channelled round 

 the columella on a level with the upper plait, without any 

 indication of external sculpture except near the apex. 



This fine old LinuEean species may be recoguized as the 

 riginal type of the genus. 



Species 3. (Mus. Cuming.) 



Cancellari.\ keticulata. Can. testa, oblomjo-turhinaid, 

 imperforatd, solidd, spird exsertd, anfractibm canvexh, 

 undique obtuse reticulatd ; albidd, rufo-fimco fasciatd, 

 variegatd; aperturd subangiiste ovatd, fauce valide 

 liratd, plicis duabus, valde prom'mentibtis. 



The reticulated Cancellaria. Shell oblong-turbi- 

 nated, imperforated, solid, spire exserted, whorls 

 convex, everywhere obtusely reticulated; whitish, 

 banded and variegated with red-brown ; aperture 

 rather narrowly ovate, interior strongly ridged, plaits 

 two, very prominent. 



I'oluta reticnlata, Linna;us, Syst. Nat. (12th edit.) p. 

 1190. 

 Cancellaria reticnlata, Lamarck. 



Hob. West Indies. 



Species 4. (Pig. a, b, Mus. Cuming.) 



Cancellaria acuminata. Can. testa obhngo-ocatd, so- 

 lidd, imperforatd, spird exsertd, acutissimd, anfracti- 

 bus obsolete planiliratis, prope apicem decussatim cos- 

 talis ; albidd, rufo-fusco fasciatd et nebulatd; aper- 

 turd anguste oblongd, fauce valide liratd, plicis tribus, 

 supremu disiante, prominente. 



The pointed Cancellaria. Shell oblong-ovate, solid, 

 imperforated, spire exserted, very sharp-pointed, 

 whorls convex, obsoletely flatly ridged, decussately 

 ribbed near the apex ; whitish, bauded and clouded 

 with red-brown ; aperture narrowly oblong, interior 

 strongly ridged, plaits three, the uppermost distant, 

 prominent. 



SowEiiBY, Pro. Zool. Soc. 1S32, p. 53. 



Hab. Guacomayo, Central America (dredged in sandy mud 

 at a depth of twelve fathoms) ; Cuming. 

 Distinguished from the preceding species by its more 



compact oblong form and acuminated spire, encircled with 



flattened ridges which are almost obsolete. 



