PARTULINA, MOLOKAI. 29 



specimens resemble the typical form in pattern. They occur 

 both sinistral and dextral, the latter rare. 



From Kealia Borcherding figures shells with very weak or light 

 chestnut bands (fig. 19). 



In the C. M. Cooke collection there is a set of nearly white 

 shells (fig. 21). 



9a. P. T. MEYERI Borcherding. PL 7, figs. 1, 2. 



'"Shell narrowly umbilicate, dextral, rather solid ovate- 

 conic, under a lens decussated regularly and very finely, glossy; 

 pale gray or grayish-brown, ornamented with light and darker 

 brown, or with gray and blackish streaks; spire conic, the apex 

 rather obtuse; suture crenulated, more or less margined, whorls 

 6, convex, the last \ the total length; upper whorls tessellated 

 with reddish-gray and yellowish-gray, the last w^horl rounded, 

 uncolored, or under the middle having narrow horn-colored 

 bands here and there. Aperture inversely ear-shaped, glossy 

 bluish within; peristome narrowly expanding and thickened, 

 with a reddish-brown internal lip. Columella twisted, calloused; 

 columellar margin reflexed, nearly covering the umbilicus. 

 Length 22 to 24, diam. 13, aperture 12 X 8 mm." (Borch- 

 erding. ) 



Molokai: Pelekunu (Meyer). 



Partulina meyeri BORCHERDING, Nachbl. d. d. Malak. Ges. 

 1901, p. 55; Zoologica xix, p. 54, pi. 2, f. 17, 18. 



Found in Pelekunu valley, where a large, dextral form of 

 tessellata reminding one of virgulata also occurs. 



10. P. RUFA Newcomb. PL 7, figs. 3 to 11. 



"Shell sinistral, conically ovate, solid, with decussating 

 strise; ground color externally and internally brownish red, 

 covered with an epidemis of a mottled brown and white, the 

 latter arranged on the central whorls in fine zigzag markings, 

 which are lost on the last whorl in a uniform grayish umber; 

 lower half of this whorl encircled by a broad white band, 

 whorls 6, flatly convex; suture plain, moderately impressed. 

 Columella strongly callous ; umbilicus open, small. Lip ex- 

 panded, reflected below. Length 0.9, breadth 0.5 inch' 

 (Newcomb). 



