Original Descriptions of Achatinella. 147 



small, white withiu; peristome acute, slight!}- thickened within; 

 columella white flexuous, abruptly terminating in a thin, slightly 

 arched lamellar plait. Length 17, diam. 12 mm. 



Hab. Nuuanu. 



248. Achatinella badia Baldwin. 



Amaslra badia Bald. P. Ac. Phil., 1895, p. 230, pi. xi, fig. 40. 



Shell dextral, imperforate, rather thin, elongately ovate-conic; 

 surface .shining, sculptured with delicate, rather close thread-like 

 rib-strise in the direction of the growth lines; embryonic whorls 

 radiately sulcated; color dark chestnut-brown, with light brown 

 zigzag or undulating lines and markings; whorls 6 1-2, slightly 

 convex; suture moderately impressed; aperture oval, a trifle ob- 

 lique, livid white within, showing the brown color of the exterior; 

 peristome acute, very lighth' thickened within; columella white, 

 flexuous, abruptly terminating in a thin slightly arched lamellar 

 plait. Length 20 1-2, diam. 10 1-2 mm. 



Hab. Ewa. 



249. Achatinella antiqua Baldwin. 



Aniait7a antiijiia Bald. P. Ac. Phil., 1S95, p. 233, pi. xi, fig. 47. 



Shell fossil, dextral, narrowly but deeply perforated almost to 

 the apex; solid, elongately ovate, apex subacute; surface sculptured 

 with rude irregular lines of growth, apical whorls smooth; color 

 of living shell unknown; whorls 6, convex; suture well impressed; 

 aperture a trifle oblique, sublunate; peristome thickened withiu, 

 columellar margin adnate, slightly expanded over the umbilicus, 

 extremities somewhat converging and united by a thick parietal 

 callosity ; columella flexuous, terminating in a narrow plait. 

 Length 20, diam. 12 mm. 



Hab. Ewa. 



250. Achatinella peasei Smith. 



Amastra peasei Sin. P. Zool. Soc. I.ondon, 1873, p. 86, pi. x, fig. 13. 



Testa dextrorsa, globoso-ovato-conica, subperforata, nitidiuscula, incre- 

 menti lineis leviler striata, epidermide pertenui induta; anffact. 6, priini 4 

 fusco-rubescentes convexiusculi, penullinnis maj^mis inflatus ultiniusque 

 palidiores; spira supra anfracl. pt-nult. subito in conum i)roducla; sutura 

 simplex; apertura parva, spiram non aquaiis, sulKiuadrala, iiilus rubcsccns; 

 perisl. tenue; columella recta, leviler reflexa, riniain i)arvain fere tegens, 

 jjlica leuui subbasali munita, labroque callo perleiiui juncta. I.,ong. 17, 

 diam. 10 mill. 



.Shell dextral, globose-ovate-conic, sul)pcrforatc, somewhat 

 shining, lightly striate with lines of growth, covered by a very thin 

 epidermis; whorls 6, the first 4 brown-reddish .somewhat convex, 



