1. The influence of plant water stress on stomatal control of gas exchange at different levels of atmospheric humidity

   • O. Osonubi
   • W. J. Davies

   OriginalPaper Pages: 1 - 6

2. Bioenergetics and diet in a simple community of shrubsteppe birds

   • John T. Rotenberry

   OriginalPaper Pages: 7 - 12

3. Thermoperiodism and the thermal environment of the pitcher-plant mosquito, Wyeomyia smithii

   • William E. Bradshaw

   OriginalPaper Pages: 13 - 17

4. Patterns of plant species diversity during succession under different disturbance regimes

   • Julie Sloan Denslow

   OriginalPaper Pages: 18 - 21

5. Feeding patterns of monophagous, oligophagous, and polyphagous insect herbivores: The effect of resource abundance and plant chemistry

   • Rex G. Cates

   OriginalPaper Pages: 22 - 31

6. Population consequences of changes in an ant-seed mutualism in Sanguinaria canadensis

   • Ronald J. Pudlo
   • Andrew J. Beattie
   • David C. Culver

   OriginalPaper Pages: 32 - 37

7. Entrainment of a semilunar rhythm by a simulated moonlight cycle in the terrestrial crab, Sesarma haematocheir

   • Masayuki Saigusa

   OriginalPaper Pages: 38 - 44

8. Ecological species replacement of Liolaemus lizards along a habitat gradient

   • Eduardo R. Fuentes
   • Fabian M. Jaksić

   OriginalPaper Pages: 45 - 48

9. Ecology of SO₂ resistance: III. Metabolic changes of C₃ and C₄ Atriplex species due to SO₂ fumigations

   • William E. Winner
   • Harold A. Mooney

   OriginalPaper Pages: 49 - 54

10. Annual variation in Finch numbers, foraging and food supply on Isla Daphne Major, Galápagos

    • P. R. Grant
    • B. R. Grant

    OriginalPaper Pages: 55 - 62

11. Orientation and its consequences for Copiapoa (Cactaceae) in the Atacama Desert

    • J. Ehleringer
    • H. A. Mooney
    • P. Rundel

    OriginalPaper Pages: 63 - 67

12. Pollen carryover, nectar rewards, and pollinator behavior with special reference to Diervilla lonicera

    • James D. Thomson
    • R. C. Plowright

    OriginalPaper Pages: 68 - 74

13. On the defence strategy of Physa fontinalis (L.), a freshwater pulmonate snail

    • Colin R. Townsend
    • T. Kieran McCarthy

    OriginalPaper Pages: 75 - 79

14. Optimal foraging: The responses of Peromyscus leucopus to experimental changes in processing time and hunger

    • John P. Ebersole
    • Julian C. Wilson

    OriginalPaper Pages: 80 - 85

15. Resource allocation patterns of two California-Sonoran desert ephemerals

    • D. D. Clark
    • J. H. Burk

    OriginalPaper Pages: 86 - 91

16. “Costs” of reproduction in reptiles

    • Richard Shine

    OriginalPaper Pages: 92 - 100

17. Extinction, reduction, stability and increase: The responses of checkerspot butterfly (Euphydryas) populations to the California drought

    • P. R. Ehrlich
    • D. D. Murphy
    • I. L. Brown

    OriginalPaper Pages: 101 - 105

18. Competition in Bembicium auratum (Gastropoda) and its effect on microalgal standing stock in mangrove muds

    • G. M. Branch
    • M. L. Branch

    OriginalPaper Pages: 106 - 114

19. Leaf surface specializations of birds and Arthropods in a Panamanian forest

    • Russell Greenberg
    • Judy Gradwohl

    OriginalPaper Pages: 115 - 124

20. Blood-feeding and nectar-feeding in adult tabanidae (Diptera)

    • Fritz-Werner Kniepert

    OriginalPaper Pages: 125 - 129

21. Influence of litterbags on growth of fungal vegetative structures

    • T. V. St. John

    OriginalPaper Pages: 130 - 132

22. High consumption rate by Neodiprion sertifer?—A comment on a paper by Larsson and Tenow

    • Frank Slansky Jr.

    Short Communications Pages: 133 - 134

23. Dispersal of yeasts and bacteria by Drosophila in a temperate forest

    • Donald G. Gilbert

    Short Communications Pages: 135 - 137