18/3.] NEW SPECIES OF ACHATINELLINjE. 75 



ginata ; anfract. 5|, convexiusculi ; apertura alba ; perist. tenue, 

 intus leviter incrassatum ; plica columellaris valida, alba. 



Long. 18 mill., diam. 9. 



Habitat. The Sandwich Islands. 



Judging from its affinities, we may believe that it comes from the 

 island of Oahu. 



Achatinella fuscolineata, Sm. (Plate IX. fig. 2.) B.M. 



Testa sinistrorsa, ovato-conica, imperforata, nitida, incrementi lineis 

 oblique et transversim subtilissime striata, virenti-flava, viridi 

 strigata, lineis (3-5) fuscis peripheriam supra cincta ; sutura di- 

 stincte fusco marginata ; anfract. 6|, convexi, primi 3 albi ; 

 apertura alba ; perist. album (interdum fuscum), margine acuto 

 intus limbatum ; plica columellaris valida, rosea (interdum alba) . 



Long. 19 mill., diam. 10. 



Var. a. Testa virenlior. 



Var. /3. Testa minor, subtestacea, dilute castaneo strigata transver- 

 simque saturate fusco superne zonata. (Plate IX. fig. 2 a.) 



Station. On trees. 



Habitat. The typical form of this species is found in Kailua, on 

 Oahu ; but varieties which are conveniently classed with it are found 

 in nearly all the valleys between Palolo and Halawa. 



Affinities. It is most nearly allied to A. versipellis, Gulick. 



Remarks. This species is very rarely dextral. The specimen 

 figured is from Kailua. 



Achatinella concolor, Sm. (Plate IX. fig. 1.) 



Testa sinistrorsa, ovato-conica, nitida, incrementi lineis et transver- 

 sim (anfract. primis 3 modo) striata, fiuva (dilute brunneo inter- 

 dum strigata); sutura distincte marginata ; anfract. 6, convexi, 

 primi 3 albidi ; apertura alba ; perist. tenue; plica columellaris 

 valida, rosea. 



Long. 19 mill., diam. 10. 



Habitat. The few specimens received are reported by Mr. Frick 

 to be from Ewa, Oahu. 



Achatinella pygm^ea, Sm. (Plate IX. fig. 11.) 



Testa sinistrorsa, ovato-conica, nitida, incrementi lineis transversim- 

 que exilissime striata, Jiavescens ; sutura leviter marginata ; 

 anfract. 5g, convexi, primi 3| albi; apertura alba; perist. leviter 

 limbatum ; plica columellaris mediocriter magna, rosea. 



Long. 14 mill., diam. 8. 



Var. Testa albida, linea supra zonaque brunnea peripheriam infra 

 cincta. 



Station. Arboreal. 



Habitat. Waipio, on Oahu. 



Affinities. It is somewhat allied to A. casta, Nwc, but is much 

 smaller and heavier in proportion to its size. 



