1. Online First publication

   Editorial 02 February 2001 Pages: 235 - 235

2. Variation in colony structure in the subterranean termite Reticulitermes flavipes

   • Mark S. Bulmer
   • Eldridge S. Adams
   • James F.A. Traniello

   Original Article 02 February 2001 Pages: 236 - 243

3. Why do honey-bee (Apis millifera) foragers transfer nectar to several receivers? Information improvement through multiple sampling in a biological system

   • Adam G. Hart
   • Francis L.W. Ratnieks

   Original Article 20 December 2000 Pages: 244 - 250

4. Extra-pair paternity and the reproductive role of male floaters in the tree swallow (Tachycineta bicolor)

   • Bart Kempenaers
   • Susie Everding
   • Raleigh J. Robertson

   Original Article 18 January 2001 Pages: 251 - 259

5. Offspring sex ratio in relation to maternal age and social rank in mountain goats (Oreamnos americanus)

   • Steeve D. Côté
   • Marco Festa-Bianchet

   Original Article 15 December 2000 Pages: 260 - 265

6. Sexual size dimorphism in fallow deer (Dama dama): do larger, heavier males gain greater mating success?

   • Alan G. McElligott
   • Martin P. Gammell
   • Thomas J. Hayden

   Original Article 15 February 2001 Pages: 266 - 272

7. Patterns of growth and fluctuating asymmetry: the effects of asymmetrical investment in traits with determinate growth

   • José Miguel Aparicio

   Original Article 22 December 2000 Pages: 273 - 282

8. Precopulatory assessment of male quality in an arctiid moth (Utetheisa ornatrix): hydroxydanaidal is the only criterion of choice

   • Vikram K. Iyengar
   • Carmen Rossini
   • Thomas Eisner

   Original Article 09 December 2000 Pages: 283 - 288

9. Ectoparasite loads in free-ranging northern fence lizards, Sceloporus undulatus hyacinthinus: effects of testosterone and sex

   • Matthew Klukowski
   • Craig E. Nelson

   Original article 20 December 2000 Pages: 289 - 295

10. The effects of two acanthocephalan parasites, Pomphorhynchus laevis and Polymorphus minutus, on pairing success in male Gammarus pulex (Crustacea: Amphipoda)

    • Loïc Bollache
    • Gérard Gambade
    • Frank Cézilly

    Original Article 15 December 2000 Pages: 296 - 303

11. Balancing between mutualism and exploitation: the symbiotic interaction between Lasius ants and aphids

    • Joachim Offenberg

    Original Article 26 January 2001 Pages: 304 - 310

12. Precise sex allocation, local mate competition, and sex ratio shifts in the parasitoid wasp Trichogramma pretiosum

    • R.F. Luck
    • J.A.M. Janssen
    • E.R. Oatman

    Original Article 15 December 2000 Pages: 311 - 321

13. Does supernormal stimulus influence parental behaviour of the cuckoo's host?

    • T. Grim
    • M. Honza

    Original Article 01 February 2001 Pages: 322 - 329

14. Erratum to: Why do honey-bee (Apis mellifera) foragers transfer nectar to several receivers? Information improvement through multiple sampling in a biological system

    • Adam G. Hart
    • Francis L. Ratnieks

    Erratum 21 February 2001 Pages: 330 - 330

15. Erratum to: Offspring sex ratio in relation to maternal age and social rank in mountain goats (Oreamnos americanus)

    • Steeve D. Côté
    • Marco Festa-Bianchet

    Erratum 18 January 2001 Pages: 331 - 331

16. Erratum to: Sperm precedence, mating interval, and a novel mechanism of paternity bias in a beetle (Tenebrio molitor L.)

    • Jenny M. Drnevich
    • Emily F. Hayes
    • Ronald L. Rutowski

    Erratum 18 January 2001 Pages: 332 - 332