1. Environmental and genetic determinants of the male forceps length dimorphism in the European earwig Forficula auricularia L.

   • J. L. Tomkins

   Original Article Pages: 1 - 8

2. Female distribution affects mate searching and sexual selection in male northern water snakes (Nerodia sipedon)

   • G. P. Brown
   • P. J. Weatherhead

   Original Article Pages: 9 - 16

3. Physiological correlates of genetic variation for rate of behavioral development in the honeybee, Apis mellifera

   • T. Giray
   • Z.-Y. Huang
   • G. E. Robinsons

   Original Article Pages: 17 - 28

4. Storage and display of odour by male Saccopteryx bilineata (Chiroptera, Emballonuridae)

   • C. C. Voigt
   • O. von Helversen

   ORIGINAL ARTICLE Pages: 29 - 40

5. Host species affects the growth rate of cuckoo (Cuculus canorus) chicks

   • Oddmund Kleven
   • A. Moksnes
   • Marcel Honza

   Original Article Pages: 41 - 46

6. Effects of paternal care on reproductive success in the polygynous spotless starling Sturnus unicolor

   • J. Moreno
   • José P. Veiga
   • Eduardo Mínguez

   Original Article Pages: 47 - 53

7. Tradeoffs between courtship, fighting, and antipredatory behavior by a lizard, Eumeces laticeps

   • W. E. Cooper Jr.

   Original Article Pages: 54 - 59

8. Echolocation signals of the bat Eptesicus serotinus recorded using a vertical microphone array: effect of flight altitude on searching signals

   • Marianne Egebjerg Jensen
   • L. A. Miller

   Original Article Pages: 60 - 69

9. Autotomy shapes the trade-off between seeking cover and foraging in larval damselflies

   • R. Stoks

   Original Article Pages: 70 - 75

10. Measurement of parental investment and sex allocation in the European beewolf Philanthus triangulum F. (Hymenoptera: Sphecidae)

    • E. Strohm
    • K. Eduard Linsenmair

    Original Article Pages: 76 - 88

11. Male reproductive success in free-ranging feral horses

    • C. S. Asa

    Original Article Pages: 89 - 93

12. Extent and variation of sound enhancement inside burrows of the frog Eupsophus emiliopugini (Leptodactylidae)

    • M. Penna
    • Rigoberto Solís

    Original Article Pages: 94 - 103

13. Can incest within cooperative breeding groups be detected using DNA fingerprinting?

    • S. B. McRae
    • William Amos

    Forum Pages: 104 - 107

14. Multilocus minisatellite DNA fingerprinting and cooperative breeding

    • P. G. Parker
    • Thomas C. Jones
    • Bradley D. Worden

    Forum Pages: 108 - 111