Original Descriptions of Achatinella . 85 



wild mountaiu ridges and vallej's which do uot contain an\' spe- 

 cies intermediate or connecfting the two. — Bald. 



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



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



ia6. Achatinella hanleyana Pfeiffer. 



A. hanleyana Pfr. P. Zool. Soc. London, 1S55, p, 202. 



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

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

 apice minuto, corneo ; siitura filo crenulato marginata ; anfr. 6, superis planis, 

 sequentibiis modice convexis, ultimo spiram fere ttquaiite, rotundato ; aper- 

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

 dcntiforuii ; 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 crenulate thread ; whorls 6, the upper flat, the follow- 

 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 Sedlion Apex, while Baldwin places it with the 

 Secflion Bulimella. 



RUGOSA GROUP. 

 127. Achatinella rugosa Newcomb. 



A. rtiKosa Newc. P. Zool. Soc. London, 1853, p. 13S, pi. xxii, fijfs. 22, 22rt. 



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

 above; suture well impressed ; lip expanded, of a reddish l)rown 

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

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

 ture subrhomboidal ; stria; longitudinal, numerous, and on the 

 last whorl rugose ; colour of epidermis of a dee]) green, a light or 

 dark umber, sometimes alternating and arranged with the stria- 

 with or without pale green transxerse lines. Long. 14/20, diam. 

 8/20 poll. 



Hal). ICwa. — Newc. Waipio. 



