14 Original Descriptions of Achatinella. 



arcuata, eminente ; rima umbilicali non distincta. (Ouoj' & Gaimard, Voy- 

 age Uranie et Physicienne. ) 



Shell dextral, ovately conical, apex acute, shining, striated, 

 white, with an epidermal color; epidermis unicolored or marked 

 with bauds; whorls 5 1-2, regularly increasing; sutures mar- 

 gined; aperture ovate, white; columella arcuate, protruding; 

 iimbilical cleft not distinct. 



Animal light flesh-colored ; tentacles, tentacular sheath and 

 front above, dark brown ; outer margin of mantle gray ; tentacles 

 wide apart, short, moderately clubbed; foot rather broad and thin, 

 when extended as long as the shell. — Newc. 



A. veyitrosa of Pfeiffer forms a very striking variety, with the 

 whorls rounded, aperture contracfted, and the whole shell pressed 

 together. — Newc. 



Hab. Manoa to Halawa. — Bald. 



The Io7'ata group is a very extehsive one, covering a wide 

 territorv and including manv color varieties. 



3. Achatinella pallida Nuttall. 



. I . /Hillidii Null. JayS CataloKue of Shells. 



Shell acuminately ovate, rather solid, whorls flatly convex, 

 obliquely somewhat rudely striated, margined round the upper part, 

 the groove being rather distinct from the sutures, columella short, 

 broadly callous; white, more or less banded with brown or chest- 

 nut-black, lip and columella brownish-flesh. (Rve. Conch. Icon. 

 Achat.) 



Hab. Oahu. — Nutt. Pauoa and Nuuanu. 



This is in fact onlv a varietv of A. lorata Fer. 



4. Achatinella nobilis Pfeiffer. 



.(. luihilis Pfr. P. Zool. Soc. London, 1S55, p. 202. 



A. testa subimperforata, dextrorsa, turrita, solida, striatula, nitida, ful- 

 vida vel griseo-vircnle, saturatius strigata ; spira exactc conica, apice alba, 

 acuta ; sutiira Icviltr marginata ; anfr. 6 1-2-7 planiusculis, ultimo 2-5 longi- 

 tudinis subiequante, infra medium obsolete subaiigulato ; apertura obliqiia, 

 obauriformi, inlus alba ; perist. expansiusculo, margiiie dtxtro intus late 

 labiato, columellari subadnato. Long. 23, diani. 11 mill. 



Shell hardly perforate, dextral, ttirreted, solid, somewhat stri- 

 ated, shining, tawn\- or grayish-green, strongly striped ; spire mark- 

 edly conical, apex white, actite ; suttire lightly margined ; whorls 

 6 1-2-7, rather flat, the last nearly equal to 2-5 of the length, obso- 

 letely angled below the periphery ; aperture obli([ue, nearly auri- 



