76 MESSRS. GULICK AND SMITH ON [Jan. 7, 



Achatinella tricolor, Sm. (Plate IX. fig. 6.) 



Testa sinistrorsa, ovato-subconica, imperforata, nitida, incrementi 

 lineis oblique et transversim subtilissime striata, alba, anfractuum 

 medio zona lata flavo-olivacea cincta basimqve versus viridi stri- 

 gata ; sutura distincte saturate fusco marginata ; anfract. 6|, 

 convexi, primi 2-3 albi vel rubescentes ; apertura alba ; perist. 

 tenue, intus leviter limbatum; plica columellaris valida, rosacea. 



Long. 20 mill., diam. 10|. 



Var. a. Testa alba, zona unica olivacea medio cincta. 



Var. (3. Testa flavida, zona latissima castanea subbasali cincta. 



Station. On trees. 



Habitat. Ioleka, in Heia on Oahu. 



Affinities. In form and colour it is intermediate between A. colorata, 

 Rv., and A. varia, Gk. 



Achatinella lehuiensis, Sm. (Plate IX. fig. 4.) 



Testa sinistrorsa, ovato-conica, subnitida, incrementi lineis trans- 

 versimque exilissime striata, alba, zona purpureo-fusco strigata, 

 et zonis duabus fuscis altera supra altera peripheriam infra (et 

 interdum aliis) cincta; sutura submarginata ; anfract. 5g, con- 

 vexi; apertura alba; perist. tenue; plica columellaris valida, 

 rosea. 



Long. 17 mill., diam. 10. 



Station. On trees. 



Habitat. Lehui, on the island of Oahu. 



Achatinella fuscozona, Sm. (Plate IX. fig. 9.) 



Testa sinistrorsa, ovato-conica, perforata, parum nitida, incrementi 

 lineis et transversim (sub lente) minutissime striata, albida, plusve 

 minusve dilute fusco oblique strigata, transversimque obscure 

 lineata vel zonata ; sutura distincte fusco marginata, anfract. 6|, 

 convexi, ult. amplus ; apex nigrescens ; apertura alba ; perist. 

 tenue, intus leviter limbatum ; plica columellaris valida, rubescens 

 (interdum albida). 



Long. 21 mill., diam. 12. 



Var. Testa elongato-conica ; sutura zona latissima fusca cincta. 



Long. 23| mill., diam. 1 1. 



Station. On the trunks of trees. 



Habitat. Makiki, on Oahu ; two or three specimens have been 

 found in Palolo. 



Affinities. It is intermediate between A. adusta, Rv., and A. buddii, 

 Nwc. 



Achatinella ligata, Sm. (Plate IX. fig. 13). B.M. 



Testa dextrorsa (vel sinistrorsa) elongato-ovato-subconica, medio- 

 criter nitida, incrementi lineis transversimque minutissime striata, 

 albida, luteo-olivaceo plusve minusve strigata, zonis plerumque 

 duabus pallido-fuscis cincta- altera supra altera peripheriam infra ; 

 anfract. 5g, convexiusculi ; sutura distincte marginata, saturate 



