ATYS.—P ate II. 
Species 10. (Mus. Cuming, in Mus. Brit.) Tue TRuNcATED Atys. Shell elongated, white, smooth, 
Ams sucess. At testa dlongatd, albd, levigata, Very ney SPINY ae oe eta oe 
tuous fold, columella thin, rather straight; aper- 
ture slightly contracted above, truncated below. 
EHRENBERG. 
| Hab. Red Sea. 
utringue tenuissime spiraliter striatd, apice wmbi- 
licato ; labio interno supra apicem tortuosim 
plicato, columella tenui, rectiuscula ; apertura 
supra subcontracto, infra truncato. 

