748 PROCEEDINGS OF THE ACADEMY OF [Oct., 



Melania obliquegranosa Smith. 



P. Z. S., 1S7S, p. 729, pi. 46, figs. 7, S; with var. monstrosa. Schm. and 



Bttg., Nachrbl., 1891, p. 185. Bttg., Jahrb., 1886, p. 16; 1887, p. 116. 



Formosa (Dickson); Takao and Bankimtsong (Schmacker) ; Kiirun 

 (Hirase). 



"M. ohliquex'pansa Sow." of Brot, Nachrbl. d. m. Ges., 1883, p. 80, is 

 evidently an error for obliquegranosa. 



This species is viviparous. 



Melania subplicatula Smith. 



P. Z. S., 1878, p. 729, pi. 46, fig. 10. Brot, Nachrbl. d. m. Ges., 1883, p. 84. 



Formosa (Dickson). 

 Melania niponioa E. A. Smith. 



Brot, Nachrbl. d. m. Ges., 1883, p. 85. 

 Formosa (Mlldff.). The specimens, identified by Brot, are said to 

 belong to the var. minor Smith. 

 Melania libertina Gld. 



NeviU, Handlist Ind. Mus., p. 266. 

 Tamsui (Hungerford). Identified by G. Nevill. 



M. 1. subplicosa NeviU. 

 Nevill, I. c, p. 267. 



Formosa (Hungerford); Iviirun (Hirase, 1901). 



M. 1. sublaevigata Nevill. 



Nevill, I. c. page 266 (no description). 

 Tamsui (Hungerford). 



M. 1. plicosa Marts. 



Nevill, I. c, p. 267. 



Mai Tionlek (Hungerford). Identified by G. Nevill. 



M. 1. microstoma Nevill. 



Nevill, I. c, p. 267 (no description). Bttg., Jahrb., 1886, p. 5 (description). 



Formosa (Hungerford). 



VIVIPARIDuE. 

 Viviparus chinensis (Gray). 



Paludina chinensis Gray has been reported from Formosa collected 

 by Swinhoe, the specimens identified by Cmning, P. Z. S., 1865, p. 196. 

 Whether they are different from the following species remains to be 

 seen. 



Viviparus malleatus (Reeve). 



Specimens which seem referal^le to this Japanese species were taken 

 at Kaisanko (Hirase, 1901). 



