1072 MALAYSIAN LAND AND FRESHWATER MOLLUSCA, 



P. ARULA, Bens. ; von Moll. I.e. 

 Bukit Pond ok. 



P. AUREOLA, Stol. Jour. As. Soc. Beng. XLI. 1872, p. 267, 

 pi. 10, figs. 11-12 ; Pfr. Mon. Pneumon. Suppl. III. p. 148. 

 Penang. 



P. PPEIFFERI, H. Adams, Proc. Zool. Soc. 1865, p. 416, pi. 21, 

 figs. ll-12=i^ pfeijferiana, H. Adams, Proc. Zool. Soc. 1869, 

 p. 2lh=P. pfeifferi, Pfr. Mon. Pneumon. Suppl. III. p. 149. 



Island of Batchian. 



P. JUNGHUHNi (Rhegistoma), Herklots— i2/«e/7«'si5owa janghuhni, 

 Herk. Mus. Lugduu= Pw^ma junghuhii, Pfr. Mon. Pneumon. 

 Suppl. III.p. 151. 



Java. 



P. AMBOiNENSis (Callia), von 'Ma.vt. = CttlUa uMhoinensis, von 

 Mart. Monatsber. Bed. Ak. 16 Jan. 1865, p. 53=Pupina amboi- 

 nensis, Pfr. Mon. Pneumon. Suppl. III. p. 154. 



A mboyna. 



P. VEScoi, Morelet, Rev. et Mag. Zool. 1862, p. 479; Crosse 

 and Fisch. Jour. Conch. XI. p. 372; Pfr. Mon. Pneumon. Suppl. 

 II. p. 94. 



Pulo Condor. 



P. SUPERBA, Pfr. Proc. Zool. Soc. 1855, p. 118; Mon. Pneumon. 

 Suppl. I. p. 94. 

 Sumatra. 



31. Megalomastoma, Guilding ; Swainson, Malacology, 

 pp. 186 and 336. 



Shell cylindrical resembling Pupa, but has a horny operculum ; 

 spire not thickened ; teeth or fold on the pillar none. 



Megalomastoma anostoma, Bens. Pfr. Malak. Bl. 1854, p. 89 

 =M. sectUahrum, Pfr. Mon. Pneumon. p. 133 ; Chemn. new edit. 



