Original Descriptions of Achatinella . 33 



38. Achatinella leucophaeus Gulick. 



Apex leucopharus Gk. P. Zool. Soc. London, 1S73, p. 82, pi. ix, fig. 16. 



Testa sinistrorsa, subperforata, ovato-conica, parum nitida, increment! 

 lineis et transversim indistincte exilissime striata, dilute cervina, dilute 

 fusco strigata et zonata ; sutura distincte albo marginata ; anfract. 7, sub- 

 convexi ; apertura alba ; perist. paululum dilatatum, intus valide incrassa- 

 tum, dilute fusco tiuctum ; plica columellaris valida, albida, aliquanto 

 reflexa, riniam parvum fere tegens. Long. 22, diam. 12 mill. 



Shell sinistral, subperf orate, ovate-eonieal, hardly shining, 

 transversely, indistinctly and very fiiiety striated with lines of 

 growth, light fawn, striped and banded with light brown ; suture 

 distinctly margined with white; whorls 7, subconvex ; aperture 

 white ; lip slightly dilated, strongly thickened within, tinged with 

 light brown ; columellar fold strong, whitish, somewhat reflexed, 

 almost concealing the small cleft. 



Affinities. It is allied to A. pcrvcrsus Swn., and A. validus 

 Pfr., but it is of a paler colour and more elongate form. 

 Remarks. It is always sinistral. — Gk. 

 Hab. Waialee.— Gk. 



2. Waianae Mountains^ Oa/iu. 



MUSTELINA GROUP. 

 39. Achatinella mustelina Mighels. 



A. mustelina Migh. P. Boston Soc, ii, 1845, p. 21. 



Shell dextral, conical, dark brown, with a light revolving 

 band at the suture, perforate ; whorls 7, convex ; aperture oblong; 

 lip simple, acute. Length 1, diam. 9/20 inch. 



Animal of a grass-green, through different shades more or less 

 intense ; tentacles light slate. 



A very curious variety of this shell is met with, in form re- 

 sembling A. decora. It is polished, of a roseate, ashy hue above, 

 and the inferior half of the last whorl deep brown or black. The 



Occasional Papers B. P. B. M., Vol. II, No. 3—3- 



