MOLLUSCA 285 



(12) Philonesia plicosa Ancey. 



Microcystis plicosa Ancey, Bull. Soc. Malac. France, vi. (1889), p. 200. 

 Hab. Oahu (Ancey) ; Palolo (Baldwin). 



(13) Philonesia sericans Ancey. 



Microcystis sericans Ancey, P. Malac. Soc. London, iii. (1899), p. 268. 

 Hab. Hawaii, Olaa (Ancey). 



(14) Philonesia siibrutila Mighels. 



Helix stibrntila Mighels, P. Boston Soc. 11. (1845), P- iQ- 



Hab. Oahu (Mighels, &c.). — Mr Baldwin gives Kauai, but I doubt this ; the 

 species is unknown to me. 



(15) Philonesia sitbtilissima Gould. 



Helix subtilissima Gould, P. Boston Soc. 11. (1846), p. 177 ; U.S. Explor. Exped. 



Moll. pi. V. fig. 62. 

 Unknown to me ; from the figure I am not certain of its generic position. 

 Hab. Maui (Gould). 



( 1 6) Philonesia turgida Ancey. 



Microcystis turgida Ancey, Bull. Soc. Malac. France, vii. (1890), p. 339; Sykes, 

 P. Malac. Soc. London, iii. pi. xiii. figs. 5 — 7. ' 



Hab. Maui (Ancey) ; Makawao (Baldwin) ; Mts. at 4000 ft. (Perkins). — A speci- 

 men found on Lanai by Mr Perkins, may belong to a variety. 



Obs. The Helix misella of Ferussac has been recorded with a query from the 

 islands, but does not really belong to their fauna. 



Kaliella Blanford. 

 Type the group of Helix barrakporensis Pfr. 



