1. The geographical distribution of rarity

   • T. W. Schoener

   Original Papers Pages: 161 - 173

2. A comparative study on nutrient cycling in wet heathland ecosystems

   • F. Berendse
   • H. Oudhof
   • J. Bol

   Original Papers Pages: 174 - 184

3. Can predation cause the 10-year hare cycle?

   • K. Trostel
   • A. R. E. Sinclair
   • C. J. Krebs

   Original Papers Pages: 185 - 192

4. Prey selection by molluscivorous cichlids foraging on a schistosomiasis vector snail, Biomphalaria glabrata

   • R. Slootweg

   Original Papers Pages: 193 - 202

5. Facultative ripening in Hamelia patens (Rubiaceae): effects of fruit removal and rotting

   • D. J. Levey

   Original Papers Pages: 203 - 208

6. Reproductive effort and growth in the prosobranch snail, Viviparus ater

   • M. Gebhardt
   • G. Ribi

   Original Papers Pages: 209 - 214

7. The feeding ecology of the dingo

   • L. K. Corbett
   • A. E. Newsome

   Original Papers Pages: 215 - 227

8. Ant foraging on extrafloral nectaries of Qualea grandiflora (Vochysiaceae) in cerrado vegetation: ants as potential antiherbivore agents

   • P. S. Oliveira
   • A. F. da Silva
   • A. B. Martins

   Original Papers Pages: 228 - 230

9. Invertebrate predator-prey body size relationships: an explanation for upper triangular food webs and patterns in food web structure?

   • P. H. Warren
   • J. H. Lawton

   Original Papers Pages: 231 - 235

10. The ¹⁵N/¹⁴N ratios of plants in South Africa and Namibia: relationship to climate and coastal/saline environments

    • T. H. E. Heaton

    Original Papers Pages: 236 - 246

11. Sequential flowering of neighboring goldenrods and the movements of the flower predator Epicauta pennsylvanica

    • R. J. Goldburg

    Original Papers Pages: 247 - 252

12. Genetic and environmental effects on wing polymorphisms in two tropical earwigs (Dermaptera: Labiidae)

    • R. D. Briceño
    • W. G. Eberhard

    Original Papers Pages: 253 - 255

13. Foraging behavior of three bee species in a natural mimicry system: female flowers which mimic male flowers in Ecballium elaterium (Cucurbitaceae)

    • Reuyen Dukas

    Original Papers Pages: 256 - 263

14. An inventory of ¹³C abundances in coastal wetlands of Louisiana, USA: vegetation and sediments

    • G. L. Chmura
    • P. Aharon
    • R. Abernethy

    Original Papers Pages: 264 - 271

15. An upper limit to the abundance of aquatic organisms

    • C. M. Duarte
    • S. Agusti
    • H. Peters

    Original Papers Pages: 272 - 276

16. Dietary shifts, niche relationships and reproductive output of coexisting Kestrels and Long-eared Owls

    • E. Korpimäki

    Original Papers Pages: 277 - 285

17. The relative importance of prey availability and intruder pressure in feeding territory size regulation by harriers, Circus cyaneus

    • E. J. Temeles

    Original Papers Pages: 286 - 297

18. Effects of clonal variation of the host plant, interspecific competition, and climate on the population size of a folivorous thrips

    • R. Karban

    Original Papers Pages: 298 - 303

19. Desiccation, predation, and mussel-barnacle interactions in the northern Gulf of California

    • C. M. Lively
    • P. T. Raimondi

    Original Papers Pages: 304 - 309

20. The role of mosses in the phosphorus cycling of an Alaskan black spruce forest

    • F. S. Chapin III
    • W. C. Oechel
    • W. Lawrence

    Original Papers Pages: 310 - 315

21. Influence of vibratory signals on the phonotaxis of the gryllid Gryllus bimaculatus DeGeer (Ensifera: Gryllidae)

    • Stephan Weidemann
    • Armin Keuper

    Short Communications Pages: 316 - 318

22. The distribution of eutherian body weights

    • Graeme Caughley

    Short Communications Pages: 319 - 320