1. Zum Gedenken an Prof. Dr. Dr. h.c. Adolf Butenandt

   • Peter Hans Hofschneider

   OriginalPaper Pages: 157 - 159

2. Das Wachstum technischer Systeme

   • Martin Trömel
   • Susanne Loose

   OriginalPaper Pages: 160 - 169

3. Immer nur Dinge?

   • Henning Genz

   OriginalPaper Pages: 170 - 177

4. Cytokines

   • Helmut Holtmann
   • Klaus Resch

   OriginalPaper Pages: 178 - 187

5. Joenia paradoxa n. sp. (Heteroflagellata, nov. subphyl.), a protozoan metakaryote with extraordinary axonemal and kinetosomal features

   • K. Hausmann
   • R. Radek
   • M. Gradias

   Short Communications Pages: 188 - 189

6. New data on the dimensions ofBrachiosaurus brancai and their physiological implications

   • H. -Chr. Gunga
   • K. A. Kirsch
   • J. Albertz

   Short Communications Pages: 190 - 192

7. New aspects of the systematics of bryophytes

   • M. Bopp
   • I. Capesius

   Short Communications Pages: 193 - 194

8. Proteases and protease inhibitors of the spiderArgiope aurantia (Araneae, Araneidae)

   • C. R. Tugmon
   • E. K. Tillinghast

   Short Communications Pages: 195 - 197

9. Color and angular orientation in the discrimination of bilateral symmetric patterns in the honeybee

   • M. Giurfa
   • W. Backhaus
   • R. Menzel

   Short Communications Pages: 198 - 201

10. Sequential stimulation of guinea pig cerebellar cortex in vitro strongly affects Purkinje cells via parallel fibers

    • D. Heck

    Short Communications Pages: 201 - 203

11. Buchbesprechungen

    • H. Muier-Leiboitz
    • H. Ziegler

    BookReview Pages: 204 - 205

12. Naturwissenschaften aktuell

    News Pages: 206 - 208