178 PL.\NAXID^. 



2. Litiopa n. sp. 



10 Off the S. E. coast of Arabia ; coll. W. T. Blaiifoid, Esq. 

 Spine very acutely produced. 



3. Litiopa ventrosa [?1. 



Litiopa ventrosa, A. Adams, Ann. Mag., VIII, 1861, Indian Ocean. 

 10 Oman & Gwadar (Persian Gulf) ; coll. W. T. Blanford, Esq. 



var. minor (? dist. sp.) 

 4 Gwadar; coll. W. T. Blanfoid, Esq. 



Genus STYLIFERINA, A. Adams. 



Ann. Mag., VI, 1860, ti/pes S. orthochila, A. Ad., and 8. goniochila ; emend. 

 I. c. 1862, as subgenus of Alaba 



1. Styliferina savignyi. 



Litiopa savis;nyi, Issel, Malac. Mar. liosso, 1869, Suez— long, 3, diam. 1^ 

 mil. ; Descr. de I'ljgypte, pi. Ill, fig, 19 [male']. 



2 Mauritius ; coll. G. Nevill, Esq. 



2 Aden & Muscat ; coll. Dr. P. Stoliczjja, and W. T. Blanford, Esq. 

 4 Suez [typical] ; coll. Prof. A. Issel. 



2. Styliferina goniochila. 



styliferina goniochila, A. Adams, Ann. Mag., VI, 1860, and VIII, 1862, 

 Japan. 



1 Annesley Bay ; coll. W. T. Blanford, Esq. 

 30 Mauritius; coll. G. Nevill, E^q. 



3 Japan; ex Mr. Damon (coll A.Adams). 



2 Seychelles & Andamans; coll. G. Nevill, Esq. 



var. (? dist. sp.) 

 1 Hongkong ; coll. R. Hungerford, Es(j. 



Shorter spire, less ovately elongate last whorl, which appears 

 to be almost subangulate. 



