1. Effect of Altered Gravity on the Neurobiology of Fish

   • R. H. Anken
   • H. Rahmann

   REVIEW ARTICLES Pages: 155 - 167

2. Hopanoid Biosynthesis and Function in Bacteria

   • Elmar L. Kannenberg
   • Karl Poralla

   REVIEW ARTICLES Pages: 168 - 176

3. Modification of Glutamate Receptor Channels: Molecular Mechanisms and Functional Consequences

   • Hanns Hatt

   REVIEW ARTICLES Pages: 177 - 186

4. Genotypic Effects on Forager Behavior in the Neotropical Stingless Bee Partamona bilineata (Hymenoptera: Meliponidae)

   • Sara Ranger
   • Sean O'Donnell

   SHORT COMMUNICATIONS Pages: 187 - 190

5. Carbon Dioxide Is a Close-Range Oviposition Attractant in the Queensland Fruit Fly Bactrocera tryoni

   • Gert Stange

   SHORT COMMUNICATIONS Pages: 190 - 192

6. Nuptial Feeding Stimulants: A Male Courtship Pheromone of the German Cockroach, Blattella germanica (L.) (Dictyoptera: Blattellidae)

   • S. Nojima
   • R. Nishida
   • M. Sakuma

   SHORT COMMUNICATIONS Pages: 193 - 196

7. BOOK REVIEWS

   Pages: 197 - 197

8. NATURWISSENSCHAFTEN AKTUELL

   • Zusammengestellt von G. H. Altenmüller (Königswinter)

   Pages: 198 - 200