1. Interpreting patterns of resource utilization: randomness and selectivity in pollen feeding by adult hoverflies

   • J. R. Haslett

   Original Papers Pages: 433 - 442

2. Evolutionary steps of ecophysiological adaptation and diversification of ruminants: a comparative view of their digestive system

   • R. R. Hofmann

   Original Papers Pages: 443 - 457

3. Prolonged prey suppression by carnivores — predator-removal experiments

   • A. E. Newsome
   • I. Parer
   • P. C. Catling

   Original Papers Pages: 458 - 467

4. Radio tracking and activity monitoring of the dobsonfly larva, Protohermes grandis (Megaloptera: Corydalidae)

   • Fumio Hayashi
   • Masatoshi Nakane

   Original Papers Pages: 468 - 472

5. Occurrence of bacterivory in Cryptomonas, a common freshwater phytoplankter

   • Lars J. Tranvik
   • Karen G. Porter
   • John McN. Sieburth

   Original Papers Pages: 473 - 476

6. Consequences of flower heliotropism for reproduction in an alpine buttercup (Ranunculus adoneus)

   • Maureen L. Stanton
   • Candace Galen

   Original Papers Pages: 477 - 485

7. Life history consequences of feeding versus non-feeding in a facultatively non-feeding toad larva

   • M. L. Crump

   Original Papers Pages: 486 - 489

8. Mixed species flocking of tits (Parus spp.): a field experiment

   • T. Székely
   • T. Szép
   • T. Juhász

   Original Papers Pages: 490 - 495

9. Phenotypic plasticity in Phlox

   • Carl D. Schlichting

   Original Papers Pages: 496 - 501

10. Quantification of plasticity of plant traits in response to light intensity: comparing phenotypes at a common weight

    • Stanley A. Rice
    • F. A. Bazzaz

    Original Papers Pages: 502 - 507

11. Growth consequences of plasticity of plant traits in response to light conditions

    • Stanley A. Rice
    • F. A. Bazzaz

    Original Papers Pages: 508 - 512

12. Heritability of wing development and body size in a carabid beetle, Pogonus chalceus MARSHAM, and its evolutionary significance

    • Konjev Desender

    Original Papers Pages: 513 - 520

13. Population ecology and life history of the diurnal skink Morethia boulengeri in arid Australia

    • Klaus Henle

    Original Papers Pages: 521 - 532

14. Effects of microbial floras on the distributions of five domestic Drosophila species across fruit resources

    • J. G. Oakeshott
    • D. C. Vacek
    • P. R. Anderson

    Original Papers Pages: 533 - 541

15. Stochastic prey arrivals and crab spider giving-up times: simulations of spider performance using two simple “rules of thumb”

    • Peter Kareiva
    • Douglass H. Morse
    • Jill Eccleston

    Original Papers Pages: 542 - 549

16. Effects of flowering plant's patch size on species composition of pollinator communities, foraging strategies, and resource partitioning in bumblebees (Hymenoptera: Apidae)

    • Peter Sowig

    Original Papers Pages: 550 - 558

17. Salinity studies with drought-resistant species of Sporobolus

    • J. N. Wood
    • D. F. Gaff

    Original Papers Pages: 559 - 564

18. Seasonal dietary stress in a forest monkey (Cercopithecus mitis)

    • M. Beeson

    Original Papers Pages: 565 - 570

19. Performance of two Picea abies (L.) Karst. stands at different stages of decline

    • R. Oren
    • K. S. Werk
    • P. Schramel

    Erratum Pages: 571 - 571

20. How can the functional response best be determined?

    • Joel C. Trexler
    • Charles E. McCulloch
    • Joseph Travis

    Erratum Pages: 571 - 571

21. Announcement

    Announcement Pages: 572 - 572