Original Descriptions of Achatlnclla. i>5 



wild mountain ridges and valleys which do not contain any spe- 

 cies intermediate or connecting the two.— Bald. 



Hab. Palolo to Niu. — Bald. High up on the ridge. 



Related to A. lyonsiana Bald., but always smaller. 



126. Achatinella hanleyana Pfeiffer. 



A. hanleyana Pfr. P. Zool. Soc. London, 1855, p, 202. 



A. testa subrimata, dextrorsa, globoso-conica, solida, laevigata (sublente 

 exilissime spiraliter striata), nitida, fulva, castaneo-radiata ; spira conica, 

 apice minuto, corneo ; sutura iilo crenulato marginata ; anfr. 6, superis planis, 

 sequentibus modice convexis, ultimo spiram fere aequante, rotundato ; aper- 

 tura obliqua, truneato-auriformi, intus alba; plica colum. supera, valida, 

 dentiformi ; perist. intus labiato, margine dextro breviter reflexo, columellari 

 dilatato, calloso, subadnato. Long. 18, diam. 11 mill. 



Shell subrimate, dextral, globose-conic, solid, smooth (under 

 a lens very minutely spirally striated), shining, tawny, radiated 

 with chestnut ; spire conic, apex minute, horn color; suture mar- 

 gined with a creuulate thread ; whorls 6, the upper flat, the follow 7 - 

 ing moderately convex, the last almost equal to the spire, rotund- 

 ate ; aperture oblique, truncate-auriform, white within ; columellar 

 fold high, strong, dentiform ; lip thickened within, the dextral 

 margin slightly expanded, columella margin dilated, calloused, 

 subadnate. 



Hab. ? 



It is a question just where this shell should be placed. Sykes 

 places it with the Section Apex, while Baldwin places it with the 

 Section Bulimella. 



RUGOSA GROUP. 

 127. Achatinella rugosa Newcomb. 



A. rugosa Newc. P. Zool. Soc. London, 1853, p. 13S, pi. xxii, figs. 22, 2217. 



Shell dextral, conical, glossy ; whorls 6, rounded, margined 

 above ; suture well impressed ; lip expanded, of a reddish brown 

 at the margin, thickened near the edge ; columella white, short, 

 twisted, and with a strong callus spread over the umbilicus ; aper- 

 ture subrhomboidal ; striae longitudinal, numerous, and on the 

 last whorl rugose ; colour of epidermis of a deep green, a light or 

 dark umber, sometimes alternating and arranged with the striae 

 with or without pale green transverse lines. L,ong. 14/20, diam. 

 8/20 poll. 



Hab. Kwa. — Newc. Waipio. 



