Original Descriptions of Achatinella. 155 



Shell subperf orate, ovately conical, solid, roughly striated, 

 whitish, poorly variegated with a greenish epidermis; spire conic, 

 somewhat acute; whorls 6, the upper slightly convex, the penulti- 

 mate inflated, the last nearly equal to 2-5 of the length, rotundate; 

 aperture oblique, truncately oval, white within; columellar fold 

 high, very minute, almost obsolete; lip simple, erect, scarcely di- 

 lated at the margin of the columella, nearly free. 



Hab. Mt. Kaala. 



This is the same as A. spirizona Fer. 



268. Achatinella albida Pfeiffer. 



A. albida Pfr. P. Zool. Soc. London, 1S55, p. 203. 



A. testa perforata, ovato-turrita, tenui, irregulariter striata, albida, epi- 

 dermide pallide fulvescente strigulata; spiraconica, apice acutiuscula; sutura 

 levissime crenulata; anfr. 6, superis planis, sequentibus convexioribus, ulti- 

 mo 2-5 longitudinis vix aequante, rotundato, peripheria obsolete subangulato; 

 apertura parum obliqua, sinuato-ovali; plica colum. mediana, lamimeformi, 

 obliqua; perist. simplice, recto, margine colum. breviter reflexo, sublibero. 

 Long. 17, diam. 9 1-2 mill. 



Shell perforate, ovately turreted, thin, irregularly striate, 

 whitish, striped with a pale tawny epidermis; spire conic, apex 

 somewhat acute; suture very lightly crenulate; whorls 6, the upper 

 flat, the next more convex, the last scarcely equal to 2-5 of the 

 length, rotundate, obsoletely subangulated at the periphery; aper- 

 ture hardly oblique, sinuately oval; columellar fold median, lamelli- 

 form, oblique; lip simple, erect, columellar margin shortly reflexed, 

 nearly free. 



Hab. Mt. Kaala. 



Mr. Baldwin places this with A. spirizona Fer. 



269. Achatinella intermedia Newcomb. 



A. intermedia Newc. P. Zool. Soc. London, 1853, p. 135, pi. xxii, fig. 13. 



Shell dextral, subcylindrical; whorls 7, rounded; suture rather 

 deep; aperture small subovate ; columella with a small flexuous 

 plait; lip acute; striae numerous, well developed and longitudinal 

 through the shell; color uniform dark brown, usually lighter at the 

 suture, interiorly of a bluish white or slate color; columella bluish 

 white. Long. 14/20, lat. 7/20 poll. 



Hab. Under Mt. Kaala. 



This shell is intermediate between A. cylindrica and the more 

 cylindrical forms of A. spirizona. — Newc. 



