1. Subspecific selectivity by a mammalian herbivore: Geographic differentiation of interactions between two taxa of Sciurus aberti and Pinus ponderosa

   • Marc a. Snyder
   • Yan B. Linhart

   OriginalPaper Pages: 755 - 765

2. Constraints on dispersal and the evolution of the avifauna of the Northern Hemisphere

   • Katrin Böhning-Gaese
   • Laura I. González-Guzmán
   • James H. Brown

   OriginalPaper Pages: 767 - 783

3. Allelopathy of bacteria in a lattice population: Competition between colicin-sensitive and colicin-producing strains

   • Yoh Iwasa
   • Mayuko Nakamaru
   • Simon a. Levin

   OriginalPaper Pages: 785 - 802

4. The dual role of sclerites in a gorgonian coral: Conflicting functions of support and defence

   • Jordan M. West

   OriginalPaper Pages: 803 - 821

5. Empty seeds reduce seed predation by birds in Juniperus osteosperma

   • Marcelino Fuentes
   • Eugene W. Schupp

   OriginalPaper Pages: 823 - 827

6. Rapid micro-evolution and loss of chromosomal diversity in Drosophila in response to climate warming

   • Francisco Rodríguez-Trelles
   • Miguel A. Rodríguez

   OriginalPaper Pages: 829 - 838

7. Seasonal shifts in sex ratios of fledgling American kestrels (Falco sparverius paulus): The Early Bird Hypothesis

   • Peter D. Smallwood
   • John a. Smallwood

   OriginalPaper Pages: 839 - 853

8. Evolution of contest competition and its effect on host–parasitoid dynamics

   • Midori Tuda
   • Yoh Iwasa

   OriginalPaper Pages: 855 - 870

9. Reproductive senescence and dynamic oviposition behaviour in insects

   • Marc Mangel
   • George E. Heimpel

   OriginalPaper Pages: 871 - 879