MOLLUSC A 315 



(y) One-banded, the whitish shell tinted with yellow, ashy, or slaty strigations. 

 A few are white above the band, yellowish below, and show traces of a second band in 

 the umbilical area. 



(8) Two- and even three-banded, ground-colouring white, tinted faintly with 

 ashy strigations, shell not quite so attenuate. 



Hab. Molokai, Kalae (Baldwin) ; the Mountains (Perkins). 



(54) Achat inella {^Parhilina) morbida Pfeiffer. 



Achatinella {Bulimella) morbida Pfeiffer, P. Zool. Soc. London, 1859, p. 30. 



Hab. ? Oahu. 



The only authority I am aware of for the exact habitat is Mr Baldwin, who gives 

 Oahu, but he marks it as one of the species he has not seen. 



(55) Achatinella [Partulina) niucida Baldwin. 



Achatinella (^Partuliiia) nnicida Baldwin, P. Ac. Philad. 1895, p. 222, pi. x. fig. 23. 



A series of about 60 specimens. It is generally of an ashy colour with a dark zone 

 at the periphery ; smaller colour lines are also present in most specimens. The brown 

 stain at the base of the columellar plait is also noteworthy. 



Hab. Molokai, Makakupaia (Baldwin) ; Makakupaia, and Mountains of Molokai 

 (Perkins). 



(56) Achatinella [Parttilijta) nivea Baldwin. 



Achatinella {Particlina) nivea Baldwin, P. Ac. Philad. 1S95, p. 222, pi. x. fig. 19. 

 Hab. Maui, Makawao to Huelo (Baldwin). 



(57) Achatinella [Paj'tiilina) pcrdix Reeve. 



Achatinella perdix Reeve, Conch. Icon. Achatinella, sp. 43 (1850); Newcomb, 

 Ann. Lye. New York, vi. p. 317 [animal]; Gwatkin, P. Ac. Philad. 1895, 

 p. 238 [radula]. 



Achatinella undosa Gulick, Ann. Lye. New York, vi. p. 205, pi. vii. fig. t^t, (Dec. 

 1856). 



A. undosa was wrongly placed by Clessin (Nom. Helic. Viv. p. 305) as a synonym 

 of A. radiata Gould. 



Hab. Maui, Lahaina (Baldwin); Olinda at 4000 ft. (Perkins). 



