1 16 Original Descriptions of Achatinella. 



baud; whorls 6, convex; suture margined, whitish; aperture ovate, 

 lip reflexed, yellowish; fold broad; umbilicated. 



Hab. Sandwich Islands. — Gould. (?) 



This may belong to the island of Oahu, perhaps with A. dubia 



Newc. 



186a. Achatinella densilineata Reeve. 



Partula densilineata Rve. Rve. Conch. Icon. Partula, sp. 9; pi. ii, tig. 9. 



Shell acumiiiately conical, rather thin, umbilicated, sutures 

 of the spire impressed, whorls rather flattened and finely margined 

 at the upper part, rounded and slightly angled at the lower; colu- 

 mella flatlv reflected, obsoletely plicate; aperture ovate; lip but 

 little reflected; whitish, very thickly painted with oblique rust and 

 ash lines. 



Hab. ? 



Mr. Baldwin has placed this with A. radiata Gld. as probably 

 from Maui. It may, however, come from some other locality. 



TEREBRA GROUP. 



187. Achatinella terebra Newcomb. 



A. terebra Newc. P. Zool. Soc. London, 1S53, p. 144, pi. xxiii, fig. 40. 



Shell turreted; whorls 6, rounded, last one inflated, margined 

 above; suture well impressed; aperture elongate-ovate; lip slightly 

 reflected, thickened within ; columella short, terminating in a 

 prominent twisted plait; striae decussating; color light yellow, with 

 wave-like brown-coloured markings, nearly obsolete on the upper 

 whorls; lip, columella and aperture white. Long. 16/20, lat. 6/20 

 poll. 



Hab. Honokowai. — Bald. 



188. Achatinella attenuata Pfeiffer. 



A. attenuata Mr. P. Zool. Soc. London, 1855, p. 4., pi. xxx, fig. 12. 



A. testa subperforata, ovato-turrita, tenuiuscula, striatula et sublente 

 granulata, alba, strigis corneis saepe angulosis picta; spira concavo-turrita, 

 obtusula; sutura distincte filomarginata ; anfract. 5 1-2, superis planis, se- 

 quentibus convexis, ultimo 3-7 longitudinis subaequante, rotundato, basi sub- 

 cotnpresso; apertura oblique, subtetragono-auriformi; plica columellari vali- 

 da, compress 1, linguaeformi; perist. acuto, breviter expanso, intus labiato, 

 margine basali cum columellari dilatato intus angulum formante. 



Shell subperforate, ovate-turreted, somewhat thin, slightly 

 striated and under a lens granulated, white, often colored with 



