1. Cost and speed of locomotion for rotifers

   • Robert W. Epp
   • William M. Lewis Jr

   Original Papers Pages: 289 - 292

2. Ecological patterns of relative clutch mass in snakes

   • Richard A. Seigel
   • Henry S. Fitch

   Original Papers Pages: 293 - 301

3. Energy and nitrogen budgets for larval and aduit Paropsis charybdis Stål (Coleoptera: Chrysomelidae) feeding on Eucalyptus viminalis

   • Penelope B. Edwards
   • John A. Wightman

   Original Papers Pages: 302 - 310

4. A test of compensatory photosynthesis in the field: Implications for herbivory tolerance

   • R. S. Nowak
   • M. M. Caldwell

   Original Papers Pages: 311 - 318

5. Optimal age at sexual maturity of sympatric and experimentally allopatric cutthroat trout and Dolly Varden charr

   • B. Jonsson
   • K. Hindar
   • T. G. Northcote

   Original Papers Pages: 319 - 325

6. Stable isotope ratio as a tracer of mangrove carbon in Malaysian ecosystems

   • M. R. Rodelli
   • J. N. Gearing
   • A. Sasekumar

   Original Papers Pages: 326 - 333

7. The meaning and measurement of size hierarchies in plant populations

   • Jacob Weiner
   • Otto T. Solbrig

   Original Papers Pages: 334 - 336

8. A potential influence of rhizobium activity on the availability of nitrogen to legume herbivores

   • Karen G. Wilson
   • R. E. Stinner

   Original Papers Pages: 337 - 341

9. Surfactants: their role in preventing the precipitation of proteins by tannins in insect guts

   • Michael M. Martin
   • Joan S. Martin

   Original Papers Pages: 342 - 345

10. Soil and xylem water potential and soil water content in contrasting Pinus contorta ecosystems, Southeastern Wyoming, USA

    • T. J. Fahey
    • D. R. Young

    Original Papers Pages: 346 - 351

11. Seasonal changes in the precision of the circadian clock of a tropical bat under natural photoperiod

    • G. Marimuthu

    Original Papers Pages: 352 - 357

12. Occurrence of Crassulacean acid metabolism in Cissus trifoliata L. (Vitaceae)

    • E. Olivares
    • R. Urich
    • A. Herrera

    Original Papers Pages: 358 - 362

13. Genotype-environment interactions in determining fitness in dense, artificial populations of Phlox drummondii

    • J. S. Heywood
    • D. A. Levin

    Original Papers Pages: 363 - 371

14. Wound-induced changes in the palatability of Betula pubescens and B. pendula

    • S. D. Wratten
    • P. J. Edwards
    • I. Dunn

    Original Papers Pages: 372 - 375

15. Mammalian island biogeography: effects of area, isolation and vagility

    • Mark V. Lomolino

    Original Papers Pages: 376 - 382

16. A study of growth form in genets of Trifolium repens L. as affected by intra- and interplant contacts

    • A. Bülow-Olsen
    • N. R. Sackville Hamilton
    • M. J. Hutchings

    Original Papers Pages: 383 - 387

17. The dynamics of seed harvesting in early successional communities by a tropical ant, Solenopsis geminata

    • C. Ronald Carroll
    • Stephen J. Risch

    Original Papers Pages: 388 - 392

18. Water loss and malate fluctuations during the day for plants in the southern Namib desert

    • D. J.v. Willert
    • E. Brinckmann
    • B. Scheitler

    Original Papers Pages: 393 - 397

19. The seasonal dynamics of leaf resin, nitrogen, and herbivore damage in Eriodictyon californicum and their parallels in Diplacus aurantiacus

    • N. D. Johnson
    • C. C. Chu
    • H. A. Mooney

    Original Papers Pages: 398 - 402

20. Do plant secondary compounds determine feeding preferences of snowshoe hares?

    • A. R. E. Sinclair
    • N. M. Smith

    Original Papers Pages: 403 - 410

21. Size ratios among sympatric neotropical cats

    • Richard A. Kiltie

    Original Papers Pages: 411 - 416

22. Surviving long submergence in the egg stage—a successful strategy of terrestrial arthropods living on flood plains (Collembola, Acari, Diptera)

    • Jochen Christian Tamm

    Original Papers Pages: 417 - 419

23. Effects of body size, seed density, and soil characteristics on rates of seed harvest by heteromyid rodents

    • Mary V. Price
    • Kevin M. Heinz

    Original Papers Pages: 420 - 425

24. Temperature and teleosts

    • Achim Kröger
    • Hermann Remmert

    Short Communication Pages: 426 - 427

25. Announcement

    Announcement Pages: 428 - 428