452 



colour with a band of colour between the ribs at the angle, and 

 another below the centre of the ribs. 

 From China. 



45. Cancellaeia HyEMASTOMA (pi. xciv. f. 53, 54, 55), 

 Sowerby, Pro. Zool. Soc, 1832, p. 54. 



C. testa ventricosa, solida, spiraliter sulcata, costis longitudina- 

 libus magnis; anfractibus rotundato-angulatis ; apertura brevi, 

 interne costata, ad marginem crenulata ; canali brevi ; columella 

 crassa, rugosa, triplicata ; umbilico magno, sulcato ; colore aper- 

 tura aurantio, anfractuum, fusco fasciato et lineato : variat albo. 



It is much less rugose than C. chrysostomu, and the aperture 

 much shorter and more rounded. 



From Gallapagos Islands, collected by Mr. Cuming from sandy 

 mud, in eight to sixteen fathoms. 



46. Cancellaeia scalarina (pi. xcvi. f. 87, 88), Chemn., 

 Conch, t.iv. f. 1172, 1173. 



C. testa ovali-oblonga, turrita ; costis distantibus, crassis, sub- 

 angulatis, crenulatis, ad angulum anfractuum in angulum dupli- 

 catum productis, interstitiis lsevibus ; spira producta, anfractibus 

 angulatis, ad suturam excavatis : apertura subtriangulari prope 

 angulum posticum uniplicata, interne usque ad marginem costata, 

 margine la;vi ; canali antico producto, vix excavato ; columella 

 subrugosa, triplicata, umbilico sulcato ; colore pallidissime fulvo, 

 fusco rubescente late bifasciato : variat albo. 



Oblong oval, turreted ; with distant thick ribs which are cre- 

 nulated on the right side and produced at the angle of the whorls 

 into a double angle, the interstices are smooth, the spire is pro- 

 duced, the whorls angular and hollow at the sutures ; the aperture 

 is partly triangular and grooved within ; the umbilicus sulcated ; 

 the colour consists of two broad bands of reddish brown. 



From the West Indies. 



47. Cancellaeia ceispata (pi. xcvi. f. 89), Sowerby, Conch. 

 Illustr. f. 20. 



C. testa ovali, turrita ; costis subreflexis, crenulatis, ad angulum 

 anfractuum in angulum triplicatum productis ; interstitiis leviter 

 striatis ; spira breviuscula ; anfractibus angulatis, ad suturam 

 subexcavatis ; apertura ovali, postice angulata, prope angulum 

 uniplicata, interne costata ; margine crenato ; canali antico exca- 

 vato ; columella rugosa triplicata ; umbdico sulcato ; colore fusco 

 nigricante, ad angulum et in medium anfractuum albo fasciato. 



