S T M A T E L L A, 



Fig. 8 b is a variety of StomaUUa Candida, in whicl 

 some faint flames of colour are visible. 



^liccies 20. (Mus. Brit.) 



St().matei,i,.\ scnTL.\. Slo. testa parv/i, depressA, halio- 

 toidilA, palUdissimii rosed, rnbm pnnctatd, custcllis 

 numetvsis livatd ; aperturd magna, labii iuterno 

 alio, acuta, oblique arcuato. 



TiiK TP.iM Sto.m.\t£LLA. Shell small, depressed, lialiotis- 

 shaped, very pale rose, spotted with red ; ridged 

 with numerous ribs ; aperture large, inner lip 

 white, sharp, obliijuely arched. 



H. Ad.^ms. Proc. Zool. Soc., 1872. 



Eab. Eed Sea. 



Species 21. (Mus. Brit.) 



Sro.M.\TELLA Biruuc.A.T.\. Sto. tcstd trocliiformi, ruhrd, 



bicarinatd ; spird devatd, anfractibus miffulatis ; 



aperturd stdiquadrald ; labia externa biungulato ; 



umbilico callo obtecto. 

 The two-hidged Stomatei.i.a. Shell trochiform, red, 



two-keeled ; spire elevated, wliorls angular ; 



aperture subquadrate ; outer lip biaiigular ; 



umbilicus closed by a caUus. 

 A. Ada.ms. Proc. Zool. Soc, ISJO. 

 JIab. Australia. 



Although, as to the keels, this shell would appear 

 rather to belong to the genus Stomatia, it belongs to the 

 present genus on account of the crenulated edge of the 

 whorls at the suture. 



bpecii 



(Mus. Brit.) 



Stomatf.lla ap.ticulata. iSto. tesid mborbiculari, 

 depressd convexd, imper/aratd, tenuiiisculd, grised ; 

 costellis spiralibus nigra artieulatis, interslitiis can- 



ccntrice liris elevatis ornatis : spird prominnld ; 



anfractibus convexis, ultima magna, ohliquo. 

 The articulated Sto.matella. Shell suborbicul.ar, 



depressed, convex, imperforate, rather thin, grey ; 



spiral ribs articulated with black ; interstices 



concentrically ornamented with raised ridges ; 



spire prominent; whorls convex, the last large, 



oblique, 

 A. Adams." Proc. Zool. Soc, 1800. 

 llah. Australia. 



Differing slightly in form from Slamatella imbricata, 

 but much more in the sculpture. The interstices of 

 tlie articulated ribs arc in a nuinner cancellated by very 

 fine ridges in the other direction. 



Species 23. (Fig. a, b, Mus. Brit.) 



Sto.matella oebiculata. Sto. iestd svharbiculatd, sub- 

 depressd, subvii'idi, fusco variegatd, costellis ra- 

 tundis iruvqualibus confertis liratd ; spird pra- 

 nxinenti, anjractibns rotundis; apierturd subcirculari. 



The oheicular Stom.wella. Shell nearly round, 

 rather depressed, greenish, variegated with brown ; 

 ridged with rounded imequal ribs; spire promi- 

 nent, whorls rounded ; aperture subcircular. 



A. Ad.ims. Proc. Zool. Soc, ISJO. 



Ilab. Mozambiipie. 



Collected by the Pvev. W. N. Ileunah, under stones at 

 low water. 



Species 24. (Mus. Brit.) 



Stom.vtella Malukana. Sla. testa subarbiculari, in- 

 flatd, imper/oratd, concentrici' striatd, costellis spira- 

 libus subratundis, incBquaiibus liratd, fumaso-fuscd, 

 strigis irregularibus variegatd ; spird p)rominuld ; 

 aperturd subovatd. 



TuE Moluccas Stomatella. Shell suborbicular, 

 inflated, imperforated, concentrically striated. 



April, 187-1. 



