1. Streßproteine: Ihre wachsende Bedeutung in der Medizin

   • Franco Fracella
   • Ludger Rensing

   OriginalPaper Pages: 303 - 309

2. Physiologische Uhren von Insekten Zur Ökophysiologie lunarperiodisch kontrollierter Fortpflanzungszeiten

   • Dietrich Neumann

   OriginalPaper Pages: 310 - 320

3. Molecular phylogeny of metazoa (animals): Monophyletic origin

   • Werner E. G. Müller

   OriginalPaper Pages: 321 - 329

4. Changes in North Atlantic deep water formation associated with the Heinrich events

   • M. A. Maslin

   Short Communications Pages: 330 - 333

5. All-trans geranylgeranyl acetate and geranylgeraniol, recruitment pheromone components in the dufour gland of the ponerine antEctatomma ruidum Pheromones, 100 [1]

   • H. J. Bestmann
   • E. Janssen
   • Theodor Boveri

   Short Communications Pages: 334 - 336

6. Homoplastic rearrangements of insect mitochondrial tRNA genes

   • P. Flook
   • H. Rowell
   • G. Gellissen

   Short Communications Pages: 336 - 337

7. Responses of collicular neurons to acoustic motion in the horseshoe batRhinolophus rouxi

   • A. Kleiser
   • G. Schuller

   Short Communications Pages: 337 - 340

8. The significance of landmarks for path integration in homing honeybee foragers

   • L. Chittka
   • J. Kunze
   • S. L. Buchmann

   Short Communications Pages: 341 - 343

9. Take-off behavior and vanishing bearings of honeybees after displacement with open view or in a sight-proof box

   • H. Schöne
   • W. D. Kühme
   • H. Schöne

   Short Communications Pages: 343 - 345

10. Buchbesprechungen

    • B. Cyffka

    BookReview Pages: 345 - 345

11. Naturwissenschaften aktuell

    News Pages: 346 - 348