1. Shape variation in the Australian freshwater mussel Alathyria jacksoni Iredale (Bivalvia, Hyriidae)

   • S. A. Balla
   • K. F. Walker

   OriginalPaper Pages: 89 - 98

2. Comparisons of benthic invertebrates between riffles and pools

   • Arthur V. Brown
   • Peter P. Brussock

   OriginalPaper Pages: 99 - 108

3. Riffle-pool geomorphology disrupts longitudinal patterns of stream benthos

   • Peter P. Brussock
   • Arthur V. Brown

   OriginalPaper Pages: 109 - 117

4. Microbial decomposition of reed (Phragmites communis) leaves in a saline lake

   • Yasuo Tanaka

   OriginalPaper Pages: 119 - 129

5. Studies on species of fungi associated with mycotic infections of fish in a Nigerian freshwater fish pond

   • C. I. C. Ogbonna
   • R. O. Alabi

   OriginalPaper Pages: 131 - 135

6. Phytomicrofauna of pampasic lotic environments (Argentina)

   • Maria Cristina Claps

   OriginalPaper Pages: 137 - 145

7. Pigment estimations and photosynthesis of Ruppia drepanensis Tin. ex Guss. in a hypersaline environment

   • C. M. Garcia
   • J. L. Perez-Llorens
   • J. Lucena

   OriginalPaper Pages: 147 - 153

8. Life cycle of Spongilla lacustris (Porifera, Spongillidae): a cue for environment-dependent phenotype

   • Renata Manconi
   • Roberto Pronzato

   OriginalPaper Pages: 155 - 160

9. Palaeoecological significance of chrysophycean stomatocysts: a statistical approach

   • Valentí Rull

   OriginalPaper Pages: 161 - 165

10. A new freshwater heteronemertean from the Zhujiang (Pearl River), People's Republic of China

    • Ray Gibson
    • Qi Sang

    OriginalPaper Pages: 167 - 178