i4 Original Descriptions of Achatinella . 



arcuata, eminente ; rima umbilicali non distincta. (Quoy & Gai ma rd, Voy- 

 age Uranie et Physicienne. ) 



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

 white, with an epidermal color ; epidermis uuicolored or marked 

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

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

 umbilical 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. ventrosa of Pfeiffer forms a very striking variety, with the 

 whorls rounded, aperture contracted, and the whole shell pressed 

 together. — Newc. 



Hab. Manoa to Halawa. — Bald. 



The lorata group is a very extensive one, covering a wide 

 territory and including many color varieties. 



3. Achatinella pallida Nuttall. 



A . pallida Nutt. Jay's Catalogue 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 only a variety of A. lorata Fer. 



4. Achatinella nobilis Pfeiffer. 



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



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

 vida vel griseo-virente, saturatius strigata ; spira exacte conica, apice alba, 

 acuta ; sutura leviter marginata ; anfr. 6 1-2-7 planiusculis, ultimo 2-5 longi- 

 tudinis subsequante, infra medium obsolete subangulato ; apertura obliqua, 

 obauriformi, intus alba ; perist. expansiusculo, margine dextro intus late 

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



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

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

 edly conical, apex white, acute ; suture 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 oblique, nearly auri- 



