OF CONCHOLOGY. 213 



7. AcnATi]>TELLA succixcTA, Newcomb. 



Proc. Boston Soc. Nat. Hist., July, 1855. 

 Plate 13, fig. 7. 



Descrijjtion. — Sbell obesely conoid, tliin, shining, corneous, 

 longitudinally striate ; whorls 7, flatly convex, slightly rugose 

 above, not margined ; suture but slightly impressed ; aperture 

 broadly ovate; columella deeply excavated, short, terminating 

 in a broad plicate tooth ; lip simple, slightly thickened within, 

 with or without a broad obsolete white or brown central band 

 on the last whorl, or a fine revolving sutural line of the same 

 colors. 



Long, y^ ; lat. |^^ poll. 



Sahitat. — Ewa, Oahu. 



Remarks. — This species is the most obese of the Leptaclia- 

 tinse, a sub-genus established by Dr. Gould and adopted by 

 Dr. Pfeiffer. The specimen figured has a broad reddish-brown 

 band around the body whorl, and extending around the whorl 

 above, near the suture. 



8. ACHATINELLA FUSOIDEA, Newcomb. 



Annals, &c., 1855. 



Plate 13, fig. 8. 



Descrijjtion. — Shell sinistral, rather solid, elongately pro- 

 duced ; whorls 6-7, scarcely rounded (excepting the last), mar- 

 gined above ; suture well impressed ; aperture roundly ovate, 

 small ; columella very short, robust and twisted ; lip simple 

 above, slightly expanded below. Color, straw yellow. 



Long. 11; lat. i;|poll. 



Halitat. — E. Maui. 



Remarks. — This is an exceedingly rare species, but two spe- 

 cimens having come under my observation, one of which serves 

 for the illustration, the other in the cabinet of the late Hugh 

 Cuming, in London. 



9. AciiATiNELLA DwiGHTii, Newcomb. 



Annals, &c., 1855. Eepublished by Dr. Pfeiffer in Zool. 

 Proc, Nov., 1855. 



Plate 13, fig. 9. 



Description. — Shell oblong conical, sinistral, solid ; surface 

 covered with oblique longitudinal strias, cut across by very 

 numerous fine, slightly undulating cross striae ; whorls 6, flatly 

 convex, crenulated at the sutures ; suture simple, well marked; 

 aperture ovate ; columella broad, short, and slightly twisted ; 



