07'iginal Descriptions of Achatinella. 155 



Shell subperforate, 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 nearlj^ equal to 2-5 of the length, rotundate; 

 aperture oblique, truncately oval, white within; coluniellar 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 F/r. 



268. Achatinella albida Pfeiffer. 



A. albida Pfr. P. Zool. Soc. London, 1855, p. 203. 



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

 dermide pallide fulvescente strigulata; spiraconica, apice acutiuscula; sutura 

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

 mo 2-5 longitudinis vixaequante, rotuudato. peripheria obsolete subangulato; 

 apertura parum obliqua, sinuato-ovali; plica coUim. mediana, lamiiiteformi, 

 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 

 fiat, 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; coluniellar fold median, lamelli- 

 form, obliqtie; lip simple, erect, colttmellar margin shortly re flexed, 

 nearly free. 



Hab. Mt. Kaala. 



Mr. Baldwin places this with A. spirizona Fer. 



269. Achatinella intermedia Newcomb. x^ 



A. inteymedia Xewc. P. Zool. Soc. London, 1S53, 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 w^hite 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. 



