254 Descriptions of New Species of Achatinella. 

 72. Achatinella mahogani. 



Plate VIII. Fig. 12. 



T. dextrorsa, imperforata, turrita, solida, nitida, striata, fulvo-castanea J 

 apice obtusa, rosea ; spira concavo-turrita ; sutura leviter marginata, 

 raodice impressa ; anfr. 6, convexis ; ultimo inflato, basi rotundatoac nigro- 

 castaneo ; plica, columellari niediana, alba, valida ; apertura truncato- 

 auriforrui, intus alba; perist. fusco-limbato, intus incrassato; margine 

 externo antice vix reflexo, arcuato; columellari dilatato, adnato; parietali 

 nullo. 



Shell dextral, imperforate, turreted, solid, shining, striate, 

 reddish chestnut ; apex obtuse, rose ; spire concavely turreted ; 

 suture lightly margined, moderately impressed ; whorls 6, con- 

 vex ; the last inflated, with the base black-chestnut and regularly 

 rounded ; columellar fold central, white, strong ; aperture trun- 

 cately auriform, white within ; peristome margined with brown, 

 thickened within ; with external margin scarcely reflected an- 

 teriorly, arcuate ; columellar margin dilated, adnate ; parietal 

 margin wanting. 



Length 0.81 inch (20f millim.) ; breadth 0.43 inch (11 millim.). 



Length of body whorl 0.48 inch (12 millim.). 



Average weight 8.00 grains. 



Station. — On trees. J. T. G. ! 



Jfabitat. — Ahonui and Kalaikoa, Oahu. J. T. G. ! 



Remarks. — It lacks the black color of lip and suture which 

 characterizes A. melanostoma Newc. and A. limhata Nob., and 

 also differs in the general form and color. 



73. Achatinella virens. 



Plate VIII. Fig. 73. 



T. sinistrorsa, imperforata, ovato-conica, solida, nitida, striata, virente 

 vel flavescente ; apice subacuta, flavido-alba ; spira convexo-conica; sutura 

 marginata, castanea, modice impressa; anfr. G, convexis; plica colu- 



