DUTCH nORNEO-EXPEDlTlOK. 159 



34. Ampullaria ampullacea Linné. 



Linné, Mus. Ulr. p. 666. — Philippi, in: Martirii- 

 Chemnitz, Ed. iiov. p. 59; pi. 19, figs. 3, 4. (celebensis). 



Locality: Poetoes Sibau (Büttikofer). 



One specimen , belonging with Cyclophorus horneensis to 

 the implements of a magician ; it is more eroded , but 

 otherwise agrees with fig. 4 of Philippi , which is a copy 

 of the figure of Quoy & Gaimard ; the specimen is pro- 

 vided with a cord through a hole. 



35. Melania Brookei Reeve. 



Reeve, Conch. Icon. fig. 207. 



Localities : Southern foot of Mount Kenepai; Poelau on the 

 Sibau River, June 1894, and Smitau (Büttikofer). — Sin- 

 gangi (Moret). — Sintang (Büttikofer). 



A large number of specimens, varying in the develop- 

 ment of the ribs. Some specimens , having the upper whorls 

 smooth , seem to belong to the variety sparsimnodosa v. d. 

 Busch. The specimens from Sintang are very large. 



36. Paludomus conicus Gray. 



Gray, in: Griffith, Animal Kingdom, Mollusca, pi. 14, 

 fig. 5. — Brot, in: Martini-Chemnitz, Ed. nov. p. 26; 

 pi. 2, figs. 12—15; pi. 7, figs. 6, 6a. 



Localities : Southern foot of Mount Kenepai (Büttikofer). — 

 Small brooks near Singangi (Hallier). 



The specimens are typical, agreeing sufficiently with the 

 original figure. 



37. Paludina sumatrensis Dunker. 



Dunker, Zeitschr. fur Malak. 1852, p. 128. — Reeve, 

 Conch. Icon. fig. 65. 



Locality: Mouth of the Mandai River, May 1894 (Bütti- 

 kofer). 



A few rather small specimens. 



Notes froaa. the Lteyden IMuseam, Vol. XVII. 



