284 FAUNA HAWAIIENSIS 



(6) Philonesia indefinita Ancey. 



Microcystis indefinita Ancey, Bull. Soc. Malac. France, vi. (1889), p. 203. 

 Hab. Maui, east part (Ancey) ; Makawao (Baldwin). 



(7) Philonesia lynnanniana Ancey. 



Microcystis lymanniana Ancey, Mem. Soc. Zool. France, vi. (1893), p. 329. 

 Hab. Oahu, Waialae (Ancey). 



(8) Philonesia oahuensis Ancey. 



Microcystis oahuensis Kncey, Bull. Soc. Malac. France, vi. (1889), p. 202. 

 Hab. Oahu (Ancey) ; Halemano (Perkins). 



I refer, with some doubt, a single specimen found by Mr Perkins, to this unfigured 

 species. 



var. depressinsciila Ancey. 



M. oahuensis var. depressiusciila Ancey, /. c. p. 203. 

 Hab. Oahu (Ancey). 



(9) Philonesia perhtcens Ancey. 



Microcystis perlucens Ancey, Bull. Soc. Malac. France, vi. (1889), p. 207. 

 Hab. Maui, east part (Ancey). 



(10) Philonesia perkinsi Sykes. 



Macrochlamys pe7'kinsi Sykes, P. Malac. Soc. London, 11. (1896), p. 126. 



Plate XI. figs. 41, 42. 



Hab. Lanai. — (?) Oahu, a single specimen (Perkins). 



(11) Philonesia platy la Ancey. 



Mic7'ocystis platyla Ancey, Bull. Soc. Malac. France, vi. (1889), p. 196; Sykes, 

 P. Malac. Soc. London, iii. pi. xiii. figs. 13 — 15. 



Hab. Oahu (Ancey) ; Waianae Mts. (Baldwin, Perkins). 



