1. 100 years of pheromone research

   • D. Schneider

   OriginalPaper Pages: 241 - 250

2. Bauformen der natur

   • W. Nachtigall
   • B. Kresling

   OriginalPaper Pages: 251 - 259

3. Chlorella

   • Erich Kessler

   OriginalPaper Pages: 260 - 265

4. Quartz particle types in Chinese and European loesses

   • W. C. Mahaney

   Short Communications Pages: 266 - 266

5. Towards the localization of metal clusters in proteins via molecular conductivity

   • E. Diemann
   • A. Branding
   • A. Müller

   Short Communications Pages: 267 - 268

6. Mechanistic investigations on microbial degradation of diaryl ethers

   • H. Wilkes
   • W. Francke
   • P. Fortnagel

   Short Communications Pages: 269 - 271

7. Occurrence of anthraquinones in eggs and larvae of several galerucinae (coleoptera: chrysomelidae)

   • M. Hilker
   • U. Eschbach
   • K. Dettner

   Short Communications Pages: 271 - 274

8. Pheromonal manipulation of workers by a fighting male to kill his rival males in the ant cardiocondyla wroughtonii

   • K. Yamauchi
   • N. Kawase

   Short Communications Pages: 274 - 276

9. Corticosterone levels of passerine birds during migratory flight

   • E. Gwinner
   • M. Zeman
   • H. Schwabl

   Short Communications Pages: 276 - 278

10. (Endogenous?) diurnal rhythm in the energy metabolism of pigeon embryos

    • R. Prinzinger
    • Ch. Hinninger

    Short Communications Pages: 278 - 279

11. Equatorial sandhoppers do not have a good clock

    • A. Ugoliui
    • L. Pardi

    Short Communications Pages: 279 - 281

12. Invasive dynamics of africanized honeybees in North America

    • G. A. Rowell
    • M. E. Makela
    • O. R. Taylor Jr.

    Short Communications Pages: 281 - 283

13. Buchbesprechungen

    • L. Jaenicke
    • J. W. Kadereit

    BookReview Pages: 283 - 285

14. Naturwissenschaften aktuell

    News Pages: 286 - 288