Original Descriptions of Achatinella. 157 



following gradually becoming more convex, the last nearly equal 

 to 2-5 of the length; aperture oblique, sinuately semioval, whitish 

 within; eolumellar fold lamiuiform, subtriangular, almost trans- 

 verse; lip erect, acute, with the margins by a white callus, dextral 

 margin somewhat thickened within, eolumellar margin adnate. 



Hab. Near Mt. Kaala. 



Mr. Baldwin places this with A. porphyrea Newc. 



273. Achatinella crassilabrum Newcomb. 



A. crassilabrum Newc. P. Zool. Soc. London, 1853, p. 141, pi. xxiii, fig. 31. 



Shell conically ovate, pointed at the apex, ventricose below, 

 solid; whorls 6, rounded; aperture ovate; lip very much thickened 

 within ; columella short, terminating in a strong oblique plait; 

 longitudinal striae strong, surface of the last whorl often marked 

 with cicatrices; body whorl yellowish white, other whorls dark 

 brown or black. Long. 12/20, lat. 6/20 poll. 



Hab. Near Mt. Kaala. 



274. Achatinella variegata Pfeiffer. 



A. variegata Pfr. Zeitschr. fur Malak. 1849, p. 90. 



T. subperforata, solidula, oblongo-turrita, striata, fuscescenti -lutea, 

 strigis epidermidis brunneae variegata; spira turrita, apice rubescens, acuti- 

 uscula; sutura profunda, non marginata; anfr. 7 convexi, ultimus 2-5 longi- 

 tudinis sequans ; columella subbiplicata, plica infera transversa, compressa, 

 lamelliformi, alba; apertura serniovalis ; perist. simplex, rectum, acutum, 

 margine columellari fornicato-reflexo, perforationem simulante. Long. 17, 

 diam. 8 mill.; ap. oblique 7 mill, longa, medio 3 1-2 lata. 



Shell subperforate, somewhat solid, oblong-turreted, striated, 

 brownish-yellow, variegated with epidermal stripes of brown; spire 

 turreted, apex reddish, somewhat acute ; suture deep, not mar- 

 ginated; whorls 7 convex, the last equal to 2-5 of the length; colu- 

 mella subbiplicate, lower fold transverse, compressed, lamelliform, 

 white; aperture semioval; lip simple, erect, acute, eolumellar mar- 

 gin arched-reflexed, similar to an umbilicus. 



Hab. Waianae Valley. — Bald. 



275. Achatinella decepta C. B. Adams. 



A. decepta Adams. Contrib. to Conch., 1850, p. 127. 



Shell rather thick, ovate-conic, much elongated; dingy white 

 or very pale yellowish brown; with a dark brown or greenish epi- 

 dermis, which is interrupted more or less in transverse stripes, and 

 often terminates abruptly on the periphery of the last whorl; with 

 irregular transverse striae; without spiral striae ; apex subacute; 



