LANISTES CüNGlCUS, 111 



NOTE VUL 

 ON A NEW SPECIES OF LANISTES. 



BY 



M. M. SCHEPMAN. 



(Plate 8, figs. 1 and 2). 

 Lanistes congicus Boettger. 



Testa sinistrorsa , anguste umhilicata , conico-glohosa , aut 

 flavido- aut viridi-olivacea , semper fasciis spiralihus pur- 

 pureis angustis in anfr. ultimo picta ; spira scalaris , magis 

 minusve conica; apex obtusus. Anfr. ö^/j , superne vel acute 

 angulati vel carinati, supra plani, carina interdum linea 

 spirali impressa circumscripta , infra convexiusculi, sutura 

 impressa disjuncti, irregulariter ruguloso-striati ^ spiraliter 

 non lineati , ultimus ^j. altudinis aequans , convexus , modice 

 inflatus, carina suturalis magis minusve evanescente , ad umhili- 

 cum compresso-carinatus , carina obtusa. Aperiura subsemi- 

 circularis , intus alba , purpureo spiraliter f asciata , peristoma 

 simplex^ margine parietali hrevi subprotracto , columellari 

 inferoque modice incrassatis. — Operculum, tenue , corneum , 

 superne subangulatum , basi subrotundatum. 



Alt. 32 — 35, diam. max. 33^/2 — 34^/2, alt. apert. 21, 

 lat. apert. 14 — 15 mm. 



Specimens of this species , collected at Landana , have 

 been procured by the Leyden Museum from Mr. Petit Ainé. 

 I sent some of them to Dr. Boettger of Frankfort o/M., 

 who has occupied himself some time ago with Mollusks 

 from the Congo , and who found them identical with the 

 species described above. 



Notes from tlie Ijeyden IMuseum, "Vol. XIII. 



