BULLEN : ON JAVAN AND AUSTRALIAN MOLLUSCA. 1 1 1 



From their condition it is evident that the specimens described lived 

 in stagnant waters, as they are much eroded. The repairs to some of 

 the specimens, being externally concave, give the shells a deceptive 

 appearance of solidity. They are, however, quite thin. 



EXPLANATION OF PLATE VI. 



Fig. 1,2. Melania varia, n.STp. 



3. Vivipara Roiiyeri, n.sp. 



4, 5. Lagochilus obliquistriatus, n.sp. 



6. ^«(/;Ai(:?ro;«?<sjo«(f«cc«s, with angulated body-whorl. 



7-9. Corbicula subrostrata, n.sp. 



10, 11. Corbicula faba, n.sp. 



