07'iginal Descriptions of Acliaiinella. 85 



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

 cies intermediate or connecfling 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. 



.-/. InuileviDia Pfi. P. Zool. Soc. London, 1S55, p, 202. 



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

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

 apice luinuto, coriieo ; sutura lilo creiiulato marginata ; anfr. 5, superis planis, 

 sequeiitibus modice convexis, iiltimo spiram fere teqiiante, rotiindato ; aper- 

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

 dcntiformi ; perist. intus labiato, margine dextro brevitcr reflexo, columellari 

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



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

 a lens verj' minutely spirally striated), shining, tawny, radiated 

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

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

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

 ate ; aperture obliqtie, trtmcate-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. vSykes 

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

 SecSlion Btilimella. 



RUGOSA GROUP. 

 127. Achatinella rugosa Newcomb. 



.). rugosa Newc. P. Zool. Soc. London, 1S53, p. 1,5s, pL xxii, fig'.s. 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 timbilictts ; aper- 

 ture stibrhomboidal ; striae longitudinal, numerotis, and on the 

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

 dark umber, sometimes alternating and arranged with the strice 

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

 8/20 poll. 



Hab. Ewa. — Newc. Waipio. 



l^ 



