88 Ori^hial Desn-iptions oj Achatinella. 



Remarks. I am in doubt concerning the limits of variation 

 of this species. Var. B ma}' be distinct.— Gk. 



Hab. Kahana, Kaaawa, and Waikane. — Gk. Waiolu. — J. 

 S. Emerson. 



Mr. Baldwin rightly classes this as the sinistral form of A. 

 comigata Gk. 



OVATA GROUP. 



132. Achatinella ovata Newcomb, 



A. ovata Newc. P. Zool. Soc. London. 1853, p. 130. pi. xxii, fig. 2, ia. 



vShell dextral or sinistral, elongately ovate ; whorls 6, slightly 

 margined above, rounded ; suture moderately impressed ; aperture 

 subovate, entirely margined with black ; columella short, plicate, 

 strong and twisted ; lip thickened and slightly expanded ; colour of 

 shell pure white or yellowish white, with or without ob.solete 

 browni.sh bands above. Long. 18/20, lat. 10/20 poll. 



A very beautiful species, distinguished by its glossy black 

 lip contrasting finely with the white of the shell. — Newc. 



Hab. Kahana. — Newc. 



This and all of the following Kahana shells may be grouped 



together. 



133. Achatinella Candida Pfeiffer. 



A. Candida Pfr. P. Zool. Soc. London, 1855, p. 2, pi. xxx, fig. 4. 



A. testa tlextrorsa, imperforata, ovato-conica, striatula, parum nitifla, 

 Candida; spira convexo-conica, vertice minuto, nigro, acutiusculo ; sutura 

 levi, tilomarginata ; anfr. 6 1-2, planiusculis, ultimo 3-7-4-9 longitudinis 

 sequante. obsolete aiigulato, basi rotundato ; apertura obliqua, truncato- 

 auriformi ; plica columellari mediocri, supera, obliqua, subcompressa ; 

 perist. fusco-violaceo, intu.s valide labiato, margine dextro expan.so, colu- 

 mellari dilatato, piano, crasso, adnato. Long. 22, diam. 11 mill. 



Shell dextral, imperforate, ovate-conic, slightly striate, hardly 

 shining, white ; spire convex-conic, tip minute, black, somewhat 

 acute ; suture slight, narrowly margined ; whorls 6 1-2, somewhat 

 flat, last equal to 3-7-4-9 of the length, scarcely angulated, base 

 rotundate ; aperture oblique, truncate-auriform; columellar fold 

 moderate, high, oblique, subcompressed ; lip brown-violet, strongly 

 thickened within, dextral margin expanded, columellar margin 

 dilated, flat, thickened, adnate. 



Hab. Kahana. 



This is the white variety of A. ovata Newc. 



