1. Nature and nurture: Environmental isotope story of the River Rhine

   • D. Buhl
   • R. D. Neuser
   • J. Veizer

   OriginalPaper Pages: 337 - 346

2. Der Strahlungshaushalt der terrestrischen Planeten Venus, Erde und Mars

   • D. Spänkuch

   OriginalPaper Pages: 347 - 354

3. Laser-induced luminescence from natural polycrystal diamond, “Carbonado”

   • H. Kagi
   • A. Masuda
   • K. Takahashi

   Short Communications Pages: 355 - 358

4. Isotopic evidence for mesophyll reduction inZea mays, an NADP-Malic enzyme plant

   • B. N. Smith
   • H. Ziegler
   • J. Lipp

   Short Communications Pages: 358 - 359

5. Evidence for a polyalkyl nature of soil humin

   • G. Almendros
   • J. Sanz
   • F. Martin

   Short Communications Pages: 359 - 362

6. Unusual mating behavior of malaysian treefrogs,Polypedates leucomystax

   • A. S. Feng
   • P. M. Narins

   Short Communications Pages: 362 - 365

7. High ultrasonic hearing and tympanal slit function in rainforest katydids

   • A. C. Mason
   • G. K. Morris
   • P. Wall

   Short Communications Pages: 365 - 367

8. Temporal pheromonal and kairomonal secretion in the brood of honeybees

   • J. Trouiller
   • G. Arnold
   • B. Chappe

   Short Communications Pages: 368 - 370

9. Homing strategies of pigeons investigated by clock shift and flight path reconstruction

   • F. Papi
   • P. Ioalè
   • S. Benvenuti

   Short Communications Pages: 370 - 373

10. Underwater vision in semi-aquatic european snakes

    • F. Schaeffel
    • U. Mathis

    Short Communications Pages: 373 - 375

11. Genetic component to division of labor among workers of a leptothoracine ant

    • R. J. Stuart
    • R. E. Page Jr.

    Short Communications Pages: 375 - 377

12. Buchbesprechungen

    • L. Jaenicke
    • W. E. Celnik

    BookReview Pages: 377 - 379

13. Naturwissenschaften aktuell

    News Pages: 380 - 384