STOMATELLA.— Plate HI. 



distinct ; aperture nearly round ; umbilicus covered 



by a callus. 

 A. Adams. Proc. Zool. Soc, 1850. 

 Hob. Australia. 



The name refers to a resemblance in form between 

 this little shell and those of the genus Margarita. 



Species 18. (Mus. Brit.) 



Stomatella tigrina. Sto. testd subtrochiformi, pcr- 

 Joratd, alhidd, lineis i-ubris, oblique subconcentricis 

 strigatd ; spirA conicd, anfractibus angulatis, bi- 

 carinatis, inter carinas spiraliter striatis ; aperturd 

 suborbiculari, labia interno rejlexo, calloso ; um- 

 bilico distincto, partim obtecto. 



The little tiger Stoiiatella. Shell somewhat 

 trochiform, perforated, whitish, striped with red, 

 obliqiiely concentric lines ; spire conical, whorls 



angular, bicarinated, spirally striated between the 

 keels ; aperture suborbicular, inner lip reflected, 

 callous ; umbilicus distinct, partly covered. 



A. Adams. Proc. Zool. Soc, ISuO. 



Hab. ? 



Species 19. (Mus. Brit.) 



Stomatella pallida. Sto. testd suborbicvlari, albidd, 

 lineis undulatis pallide fulvis ornatd ; spiraliter 

 costellis inwqualibus liratd ; spird elevatd, acumi- 

 natd, anfractibus angulatis ; labia interno calloso. 



The pale Stomatella. Shell suborbicular, whitish, 

 ornamented with pale fulvous undulating lines ; 

 spirally ridged with unequal ribs; spire elevated, 

 acuminated, whorls angular; inner lip callous. 



A. Adams (Stomatia). Proc. Zool. Soc, 1850. 



Hab. Lord Hood's Island. 



A much more elevated shell than Stomatella tigrina. 



