Original Descriptions of Achatinella . 151 



guttatim et fasciatim interrupta, obducta; spira inflato-conica, acuta; anfr. 

 6 convexiusculis, ultimo 2-5 longitudinis subyequante; apertura parum ob- 

 liqua, sinuato-ovali ; plica colum. lamaeformi, subbasali, fere transversa; 

 perist. recto, intus albido vel roseo tenuiter labiato. Long. 12, diam. 6 mill. 



Shell subperforate, ovate-conic, solid, closely striated, sub- 

 decussate with impressed distant spiral lines, black-red, covered 

 with a brown-gray epidermis, broken up by spots and bauds; spire 

 inflated-conic, acute; whorls 6 slightly convex, the last nearly 

 equal to 2-5 of the length; aperture hardly oblique, sinuatety oval; 

 columellar fold lamiuella-like, subbasal, almost transverse ; lip 

 erect, narrowly edged within with white or rose. 



Hab. Keawaawa. — Bald. 



258. Achatinella luctuosa Pfeiffer. 



A (Laminclla) luctuosa Pfr. P. Zool. Soc. London, 1855, p. 204. 



A. testa imperf., dextr., oblongo-conica, solida, striatula, nitidula, bi- 

 colore; spira inflato-conica, apice acuta; sutura crenulata; anfr. 6, summis 4 

 nigris, subplanis, penultimo pallido, convexiore, ultimo 2-5 longitudinis sub- 

 aequante, superne pallide fulvescente, infra peripheriarn nigricante; apertura 

 parum obliqua, sinuato-semiovali, intus alba; plica colum. laminaeformi, 

 subbasali, triangulari; perist. recta, acuto, nigro-limbato. Long. 16, diam. 

 8 mill. 



Shell imperforate, dextral, oblong-conic, solid, somewhat stri- 

 ated, slightly shining, bicolored ; spire inflated-conic, apex acute; 

 suture crenulate; whorls 6, the 4 upper black, nearly flat, the next 

 to the last pale, more convex, the last nearly equal to 2-5 of the 

 length, pale brownish above, below the periphery blackish; aper- 

 ture scarcely oblique, sinuately semioval, white within; columel- 

 lar fold laminalike, subbasal, triangular; lip erect, acute, edged 

 w T ith black. 



Hab. Waialee.— Bald. 



259. Achatinella sericea Pfeiffer. 



A. {Laniinclla) sericea Pfr. P. Zool. Soc. London, 1859, p. 31. 



T. imperforata, dextrorsa, ovato-conica, solida, subruditer striata, striis 

 spiralibus minute granulato-decussata, serica, saturate brunnea; spira con- 

 vexo-conica, acutiuscula; anfr. fere 6 convexi, ad suturam pallidiores, ulti- 

 mus 2-5 longitudinis sequans, circa columellam albidus ; columella lamina 

 compressa, brevi, obliqua munita; apertura obliqua, elliptica; perist. simplex, 

 rectum, margine dextro fere semicirculari, cum columellari calloso angula- 

 tim juncto. 



Shell imperforate, dextral, ovate-conic, solid, somewhat rough- 

 ly striated, minutely granulately decussate with spiral lines, silky, 

 dark brown; spire convexly conic, somewhat acute; whorls almost 

 6 convex, paler at the suture, last equal to 2-5 of the length, whit- 

 ish about the columella; columella furnished with a compressed, 



