86 MESSRS. GULICK AND SMITH ON [Jail. 7, 



perist. margine tenui nigro-purpureo, intus leviter limbatum ; 

 columella rosea, plica lamineeformi basali (et interdum tuberculis 

 1-2) munita. 

 Long. 20 mill, diam. 12. 



Var. Testa elongato-conica, zona pallida latissima ; apex brunneus. 

 Station. Sometimes on the ground, but more frequently on trees. 

 Habitat. The metropolis of the species is Wahiawa, on Oahu. It 

 is also found in all the valleys from Kalaikoa to Waimea. 



Affinities. It is allied to Am. spirizona, Fer., which is confined to 

 another range of mountains, is found almost exclusively on the 

 ground, and has a spire somewhat convex, while this is regularly 

 conical. 



Remarks. This species is invariably dextral. 



Amastra conicospira, Sm. (Plate X. fig. 10.) 



Testa ovato-conica, dextrorsa, incrementi lineis striata, sordide 

 albida, epidermide olivacea partim induta ; anfract. 7, planiusculi, 

 primi 3-4 dilute rubescentes, sequentes 2 fusco-purpvrascentes ; 

 spira recte conica ; sutura simjilex ; apertura sordide alba ; 

 perist. tenue, intus fuscescens, haud incrassatum ; plica colu- 

 mellaris tenuis. 



Long. 20| mill., diam. 10. 



Remarks. But one specimen of this species has been received, and 

 without notes concerning the station and habitat, except that it is 

 from the Sandwich Islands. 



Amastra peasei, Sm. (Plate X. fig. 1.3.) B.M. 



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

 crementi lineis leviter striata, epidermide pertenui induta; anfract. 

 6, primi 4 fusco-rubescentes convexiusculi, penultimus magnus 

 inflatus ultimusque pallidiores ; spira supra anfract. penult, 

 subito in conum producta ; sutura simplex ; apertura parva, 

 spiram non cequans, subquadrata, intus rubescens ; perist. tenue ; 

 columella recta, leviter reflexa, rimam parvam fere tegens, plica 

 tenui subbasali munita, labroque cullo pertenui juncta. 



Long. 17 mill., diam. 10. 



Var. Spira fere recte conica. 



Habitat. Sandwich Islands. 



Remarkable for the large size of the penultimate whorl. 



Amastra amicta, Sm. (Plate X. fig. 20.) B.M. 



Testa dextrorsa, tenuis, ovato-conica, subperforata, haud nitida, 

 incrementi lineis rugose striata, sub epidermide olivacea ritgosa 

 purpurascens ; anfract. 6, convexi ; sutura aliquanto constricta non 

 marginata ; apertura parva, ^ longitudinis paulo superans, intus 

 purpurascens ; perist. tenue ; columella subrecta, plica obliqua 

 parva munita. 



Long. 13 mill., diam. 6|. 



Habitat. Sandwich Islands. 



