27 



omly by the spire being rather longer in proportion, and the 

 greater part of the body whorl being plicated. S. sulcatus, (f. 31.) 

 Chemn. is a dwarfish variety, with the groove near the suture 

 deepened. There is another variety (f. 30.) in which only the first 

 two or three whorls are plicated. East Indies. 



5. S. DEFORMis (pi. vi. f. 1, 8.) Griffith's Cuvier, Moll. pi. 25. 

 T. sub-fusiformi, spiraliter striata; spira mediocri; anfractibus 



angulatis ; labio externo interne striato, ad anfractum ultimum 

 elevato, prope spiram pauluICim emarginato ; sinu antico mediocri, 

 labio interno striato. 



A dull white shell, spirally striated all over, except in the middle 

 of the body whorl in front ; the spire plicated, the anterior canal of 

 the aperture elevated, the outer lip slightly emarginated at the 

 upper angle, both lips striated with raised lines, the sinus of the 

 outer lip not very deep. 



6, S. coLDMBA (pi. vi. f. 2, 3, 6,7.) Lam. Tankervillii, Swain- 

 son ? 



T. sub-ovali, spiraliter striata, dorso prope marginem plica lon- 

 gitudinali ; spirae anfractibus angulatis, plicatis ; labio interno 

 calloso, striato; labio externo expanso, striato, supra infraque va- 

 lide emarginato; apeturae canali postico lobato, spirae partem de- 

 currente. 



Nearly oval, spirally striated, with a longitudinal fold on the 

 back near the margin of the aperture ; whorls angular, plicated ; 

 inner lip striated, outer lip expanded, striated, with a deep emargi- 

 nation on the upper angle, and the anterior sinus deep ; posterior 

 canal with lobated margins running up part of the spire. The 

 usual colour is pale brown, nearly covered on the back by mottled 

 dark brown, which is interrupted by a nearly white band in the 

 centre. India? and the Philippines. 



7. S. DiLATATus. (pi. vii. f. 38,39.) Sw. Zool. 111. 1820, l._ 



T. S. Columbee simillima, sed magis ovali ; plica lateraU minus 

 distincta ; labio externo magis expanso ; loba postica minoii. 



A more oval and finely striated pale brown species, with the outer 

 lip more expanded, and less distinctly lobed and sinuated above than 

 S. Columba. 



8. S. LABiosus. (pi, vi. f. 15, 16.) AVood. Cat. Supply 



T. ventricosa, angulata; omnino sive in medio anfractus ultimi 

 striata ; spira plicata ; anfractibus angulatis, ultimo ad angulum no- 

 duloso; labio externo magno, expanso, margine incrassato, postice 

 unilobato, interne striato. 



Ventricose, angulated ; spirally striated in every part except the 

 middle of the last whorl ; spire plicated ; the last whorl tubercu- 

 lated ; the outer lip large, expanded and thickened, striated within, 

 with a lobe at the upper angle. The beautiful specimen from 

 which figure 15 is taken is in the collection of W. Metcalfe Esq. 

 it is of a rich, shining, vellowish brown colour. 



9. S. VARIABILIS, (pi. vi. f. 9, 13, 14.) Sw. Zool. 111. 



p 3 



