1. Differences in chemical composition of plants grown at constant relative growth rates with stable mineral nutrition

   • R. H. Waring
   • A. J. S. McDonald
   • T. Lohammar

   Original Papers Pages: 157 - 160

2. Roles of nectar robbers in reproduction of the tropical treelet Quassia amara (Simaroubaceae)

   • David W. Roubik
   • N. Michele Holbrook
   • German V. Parra

   Original Papers Pages: 161 - 167

3. An analysis of the mechanisms governing species replacements in crayfish

   • Mark J. Butler IV
   • Roy A. Stein

   Original Papers Pages: 168 - 177

4. Small mammals on Massachusetts islands: the use of probability functions in clarifying biogeographic relationships

   • Gregory H. Adler
   • Mark L. Wilson

   Original Papers Pages: 178 - 186

5. Habitat selection of three chrysomelid species associated with Rumex spp.

   • Nobuhiko Suzuki

   Original Papers Pages: 187 - 193

6. Can interaction coefficients be determined from cencus data?

   • Michael L. Rosenzweig
   • Zvika Abramsky
   • william Mitchell

   Original Papers Pages: 194 - 198

7. Effect of a leaf-shredding invertebrate on organic matter dynamics and phosphorus spiralling in heterotrophic laboratory streams

   • P. J. Mulholland
   • J. W. Elwood
   • Leigh Ann Ferren

   Original Papers Pages: 199 - 206

8. Influence of nectar-supply rate on the number of flowers visited by a honeybee on each collecting flight

   • Walter Pflumm

   Original Papers Pages: 207 - 210

9. Physiological influences on carbon isotope discrimination in huon pine (Lagarostrobos franklinii)

   • R. J. Francey
   • R. M. Gifford
   • B. Weir

   Original Papers Pages: 211 - 218

10. Thermal sensitivity of sprint-running in the lizard Sceloporus undulatus: support for a conservative view of thermal physiology

    • Shawn R. Crowley

    Original Papers Pages: 219 - 225

11. Effects of nectar concentration on butterfly feeding: measured feeding rates for Thymelicus lineola (Lepidoptera: Hesperiidae) and a general feeding model for adult Lepidoptera

    • Kenneth A. Pivnick
    • Jeremy N. McNeil

    Original Papers Pages: 226 - 237

12. Reproductive capacity, germination and survivorship of Lithospermum caroliniense on Lake Huron sand dunes

    • Irene L. Westelaken
    • M. A. Maun

    Original Papers Pages: 238 - 245

13. Carbon budgets for a phytoplanktivorous fish fed three different unialgal populations

    • Michael E. McDonald

    Original Papers Pages: 246 - 249

14. The reproductive rates of Australian rodents

    • Yoram Yom-Tov

    Original Papers Pages: 250 - 255

15. Neighborhood predictors of plant performance

    • John A. Silander Jr.
    • Stephen W. Pacala

    Original Papers Pages: 256 - 263

16. On the population dynamics and ecology of the shrimp species (Crustacea, Decapoda, Natantia) in the Central Amazonian river Tarumã-Mirim

    • I. Walker
    • M. J. N. Ferreira

    Original Papers Pages: 264 - 270

17. The foraging behavior of the central mudminnow and yellow perch: the influence of foraging site, intraspecific and interspecific competition

    • Cynthia A. Paszkowski

    Original Papers Pages: 271 - 279

18. Nutrient constraints in the feeding ecology of an omnivore in a seasonal environment

    • William H. Karasov

    Original Papers Pages: 280 - 290

19. Characteristics of foraging in the soft-bottom benthic starfish Luidia clathrata (echinodermata: Asteroidea): prey selectivity, switching behavior, functional responses and movement patterns

    • James B. McClintock
    • John M. Lawrence

    Original Papers Pages: 291 - 298

20. Patterns of biomass allocation to male and female functions in plants with different mating systems

    • Robert William Cruden
    • David L. Lyon

    Original Papers Pages: 299 - 306

21. The interferential model re-examined

    • N. D. Barlow

    Short Communication Pages: 307 - 308