CYPREA. 123 



brown, with large paler spots on the back ; base 

 brownish black, dilated. 3 J. Spire obtuse. W. 

 17. 20. 



C. ARABICA. Ovate-oblong, inscribed with 

 brown marking on a bluish or brownish-white 

 ground, somewhat resembling Arabic letters ; 

 dorsal streak simple ; sides towards the base 

 thickened, and marked with purplish-black spots ; 

 base flesh-coloured, with chestnut teeth ; throat 

 violet ; spire evident. 2. W. 16. 3. 



C. HiSTRio. Oblong, or ovate-oblong, with 

 a kind of brown network, enclosing pale polygonal 

 markings ; sides thickened, and somewhat tumid 

 at the base, generally tinged with bloom-colour 

 and spotted with black ; spire evident. 2. W. 

 16.4. 



C. scuRRA. Oblong, cylindraceous, with light- 

 coloured polygonal spots on a fulvous ground ; 

 border yellowish, spotted with brown ; base flat ; 

 teeth brown. 2 ... 1. W. I7. 30. 

 ) C. Mus. Ovate, gibbous, whitish, mottled 

 with cinereous ; dorsal line white, edged with 

 black spots, and generally with a large blotch of 

 black adjoining the spire ; teeth maroon brown ; 

 spire concealed. IJ . . . 1. W. 17. 22. 



C. TIGRIS. Ovate -ventricose, turgid, bluish 

 white, softening off to reddish toward the back, 

 with numerous large black splotches and a yellow 



