Why does the bud-galling sawfly, Euura mucronata, attack long shoots? P. W. PriceH. RoíninenJ. Tahvanainen Original Papers Pages: 1 - 6
Habitat shifts in rainbow trout: competitive influences of brown trout A. J. Gatz JrM. J. SaleJ. M. Loar Original Papers Pages: 7 - 19
Bumble bee behavior and selection on flower size in the sky pilot, Polemonium viscosum C. GalenM. E. A. Newport Original Papers Pages: 20 - 23
Genetic differences and phenotypic plasticity as causes of variation in oviposition preference in Battus philenor D. R. PapajM. D. Rausher Original Papers Pages: 24 - 30
Control of fecundity through abortion in Epilobium montanum L. J. L. HarperH. L. Wallace Original Papers Pages: 31 - 38
Do nymphs of Parameletus chelifer and P. minor (Ephemeroptera) reduce mortality from predation by occupying temporary habitats? O. SöderströmA. N. Nilsson Original Papers Pages: 39 - 46
Stopover and fat deposition by North American wood-warblers (Parulinae) following spring migration over the Gulf of Mexico F. MooreP. Kerlinger Original Papers Pages: 47 - 54
Host-plant selection, diet diversity, and optimal foraging in a tropical leafcutting ant L. L. RockwoodS. P. Hubbell Original Papers Pages: 55 - 61
Stomatal and photosynthetic responses during sun/shade transitions in subalpine plants: influence on water use efficiency A. K. KnappW. K. Smith Original Papers Pages: 62 - 67
Pollination thoroughness and maternal yield regulation in wild radish, Raphanus raphanistrum (Brassicaceae) M. L. StantonJ. K. BereczkyH. D. Hasbrouck Original Papers Pages: 68 - 76
The effect of simulated acid rain on performance of the aphid Euceraphis betulae (Koch) on silver birch S. NeuvonenM. Lindgren Original Papers Pages: 77 - 80
Leaf water relations and anatomy of a tropical rainforest tree species vary with crown position B. J. MyersR. H. RobichauxI. E. Craig Original Papers Pages: 81 - 85
Sarcocystis cernae: A parasite increasing the risk of predation of its intermediate host, Microtus arvalis I. HoogenboomC. Dijkstra Original Papers Pages: 86 - 92
Defensive strategies of soft corals (Coelenterata: Octocorallia) of the Great Barrier Reef P. W. SammarcoS. La BarreJ. C. Coll Original Papers Pages: 93 - 101
Non-random distribution patterns of leaf miners on oak trees P. D. StilingD. SimberloffL. C. Anderson Original Papers Pages: 102 - 105
Seed selection by dark-eyed juncos (Junco hyemalis): optimal foraging with nutrient constraints? D. B. ThompsonD. F. TombackM. C. Baker Original Papers Pages: 106 - 111
Ecological energetics of Central European grasshoppers (Orthoptera: Acrididae) G. KöhlerH. -P. BrodhunG. Schäller Original Papers Pages: 112 - 121
Seasonal changes of ionic concentrations in the vacuolar sap of Chara vulgaris L. growing in a brackish water lake U. WinterM. I. B. MeyerG. O. Kirst Original Papers Pages: 122 - 127
Size and fecundity hierarchies in an herbaceous perennial S. M. Scheiner Original Papers Pages: 128 - 132
Effects of simulated feeding by snow geese on Scirpus americanus rhizomes J. -F. GirouxJ. Bédard Original Papers Pages: 137 - 143
Chemical analysis of phenolic glycosides: art, facts, and artifacts R. L. LindrothM. S. Pajutee Original Papers Pages: 144 - 148
The consequences of leaf damage for subsequent insect grazing on birch (Betula spp.) B. E. Silkstone Original Papers Pages: 149 - 152
Do pupal predators regulate the winter moth? J. LattoM. P. Hassell Short Communications Pages: 153 - 155
On the stabilizing effect of density-dependent mortality factors H. J. PocthkeM. Kirchberg Short Communications Pages: 156 - 158