1. Assessment of biodiversity among southeast asian amphibians and reptiles
HAROLD K. VORIS

2. Description of two new species of the genus stilpon loew (diptera- hybotidae) from cambodia
IGOR SHAMSHEV AND PATRICK GROOTAERT*

3. Developing land snail expertise in south and southeast asia, a new darwin initiative project
FRED NAGGS1*, SOMSAK PANHA AND DINARZARDE RAHEEM

4. Heavy predation on freshwater bryozoans by the golden apple snail, pomacea canaliculata lamarck, 1822 (ampullariidae)
TIMOTHY S. WOOD*, PATANA ANURAKPONGSATORN, RATCHA CHAICHANA, JUKKRIT MAHUJCHARIYAWONG AND TUNLAWIT SATAPANAJARU

5. Pteridophyte flora of thong pha phum national park, kanchanaburi province, thailand
THAWEESAKDI BOONKERD* AND ROSSARIN POLLAWATN

6. Two species of tarenna gaertn. (rubiaceae), new records for thailand
WIROT KESONBUA AND PRANOM CHANTARANOTHAI*