296 Mr. A. Adams on new Species of Alaba. 



14. Alaba vibex, A. Ad. 



A. testa ovato-conica, tenui, semipellucida, lutescente, albivaricosa, 

 lineis rufis articulatis concinne picta ; anfractibus 6, convexis, trans- 

 versim sulcatis, varicibus validis, lacteis, irregularibus instructis ; 

 apertura ovata ; labio arcuato, antice subtruncato ; labro margine 

 acuto. 



Hah. Sharks' Bay, Australia. 



This, for the genus, is a large and showy species, with con- 

 spicuous white varices, and with the whorls very prettily marked 

 with interrupted or dotted red-brown lines. 



15. Alaba pulchra, A. Ad. 



A. testa ovato-conica, tenui, semiopaca, sordide alba, maculis, punctis, 

 flammulis longitudinalibus lineisque rufis transversis ornata ; an- 

 fractibus 7, planis, subimbricatis, ad suturas plicato-nodosis ; aper- 

 tura ovata; labio tenui, arcuato, non truncato; labro simplici, acuto. 



Hab. Port Adelaide. T. Angas, Esq. 



A handsomely-painted species, with the whorls nodosely pli- 

 cate at the sutures. 



16. Alaba Blanfordi, A. Ad. 



A. testa acuminato-conica, tenui, cornea, rufo obsolete strigosa ; an- 

 fractibus 6, transversim sulcatis, longitudinaliter valde plicatis, 

 suturis impressis, anfractu ultimo ad peripheriam subangulato ; 

 apertura ovata, antice producta ; labio rufo tincto, vix tortuoso. 



Hab. Siam. W. T. Blanford, Esq. 



A small sulcate species, with plicate whorls. 



17. Alaba monile, A. Ad. 



A. testa elongato-conica, alba, maculis rubris, in serie moniliformi 

 dispositis, in medio anfractuum ornata ; anfractibus 6, planis, im- 

 bricatis, longitudinaliter nodoso-plicatis ; apertura ovata ; labio re- 

 gulariter arcuato ; labro margine in medio obsolete angulato. 



Hab. Port Lincoln. W. Metcalfe, Esq. 



A very pretty white species, ornamented with a necklace-like 

 row of red spots in the middle of the whorls. 



18. Alaba zebrina, A. Ad. 



A. testa ovato-conica, tenui, imperforata, alba, lineis undulatis longi- 

 tudinalibus rufescentibus ornata ; anfractibus §\, planis, transver- 

 sim valde et regulariter sulcatis, interdum longitudinaliter obsolete 

 varicosis, suturis impressis, serie macularum instructis ; apertura 

 ovata, antice subproducta ; labio flexuoso ; labro margine simplici, 

 acuto. 



Hab. Tsu-Sima. 



This species was also obtained by Mr. Cuming in the Philip- 



