I'I.A</OSTYLUS, SOLOMON IS. 7'> 



/. Lip narrow, white, not much thickened 

 within, hardly expanded. 



e. Slender and long, the columellar fold 

 weak, no parietal tooth. 



kreftii, p. 81. 



Stouter in figure, with moderate fold 

 and a parietal tooth, founaki, p. 79. 

 c/'. Lip wide or moderate, expanded, gener- 

 ally colored or tinted. 



Shell rather thin, the last whorl in- 

 flated ; columellar fold and tooth 

 (when present) rather weak. 



palmarum var. p. 86. 

 e l . Solid, oblong, the lip strongly thick- 

 ened within ; columellar fold and par- 

 ietal tooth strong. 



('(i/n.s, p. 83 ; macgillivrayi-j p. 84. 

 c 1 . Surface without microscopic crowded and wavy 

 spiral striae ; columellar fold and parietal tooth 

 well developed. 



d. Oblon; aperture and lip white. 



macfarlandi, p. < S -'J. 

 f/ 1 . Stouter; aperture and lip reddish. 



Section Placocharis Pilsbry, 1900. 



Group of P. macgillivrayi. 



This is a group of smooth or but faintly malleated species ; living 

 on the ground ; colors not bright, uniform or with darker streaks, 

 rarely with zigzag or triangular markings. 



P. FOUNAKI (Hombron & Jacquinot). PI. 34, figs. 10-14. 



Shell imperforate, oblong-fusiform, rather thin but strong, glossy, 

 dark chestnut or olive with narrow dark streaks and zigzag yellow 

 lines (sometimes wanting); the spire dull red or pallid and whitish ; 

 surface beneath the cuticle white. Surface smooth, with slight 

 growth-wrinkles and usually traces of transverse malleation. Spire 

 conic, the apex obtuse, occasionally lost by autotomy. Whorls 5^, 

 the earlier 2-| punctulate, or smooth by erosion, the last conve 



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