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 ver}^ 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 J- the total length; upper whorls tessellated 

 with reddish-gray and yellowish-gray, the last whorl 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 

 strias; 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}. 



