1. The Structural Optimization of Trees

   • C. Mattheck
   • K. Bethge

   Review Article 02 March 2014 Pages: 1 - 10

2. Origin of Metazoa: Sponges as Living Fossils

   • Werner E. G. Müller

   Review Article 02 March 2014 Pages: 11 - 25

3. Water-Surface Slope, Total Suspended Sediment and Particulate Organic Carbon Variability in the Paraná River During Extreme Flooding

   • P. J. Depetris
   • D. M. Gaiero

   Short Communication 02 March 2014 Pages: 26 - 28

4. Microvibration as a Function of Muscle Tone Studied in Microgravity

   • Eugen Gallasch
   • Thomas Kenner
   • Inessa Kozlovskaya

   Short communication 02 March 2014 Pages: 28 - 30

5. The Probable Purpose of the Mid-coxal Prong in Brachycera (Diptera)

   • Leonid Frantsevich
   • Stanislav Gorb

   Short communications 02 March 2014 Pages: 31 - 33

6. Molecular Diversity of Visual Pigments in the Butterfly Papilio glaucus

   • A. D. Briscoe

   Short communication 02 March 2014 Pages: 33 - 35

7. Sonic Hearing in a Diurnal Geometrid Moth, Archiearis parthenias, Temporally Isolated From Bats

   • Annemarie Surlykke
   • Niels Skals
   • Mats Svensson

   Short Communication 02 March 2014 Pages: 36 - 37

8. Trail Pheromone of the Myrmicine Ant Aphaenogaster rudis (Hymenoptera: Formicidae)

   • A. B. Attygalle
   • F. Kern
   • J. Meinwald

   Short Communication 02 March 2014 Pages: 38 - 41

9. Book Reviews

   • B. Herrmann
   • B. Schweitzer
   • N. Biedinger

   BookReview 02 March 2014 Pages: 42 - 45

10. Naturwissenschaften Aktuell

    • G. H. Altenmüller

    Naturwissenschaften Aktuell 02 March 2014 Pages: 46 - 48