Replacement analysis of non-equilibrium competition between rock pool Corixids (Hemiptera, Corixidae) V. Ilmari Pajunen OriginalPaper Pages: 153 - 155
Feeding responses of adapted and non-adapted insects to the defensive properties of Baccharis halimifolia L. (Compositae) Sandra K. KraftRobert F. Denno OriginalPaper Pages: 156 - 163
Why do males emerge before females? protandry as a mating strategy in male and female butterflies Torbjörn FagerströmChrister Wiklund OriginalPaper Pages: 164 - 166
The influence of foraging benefits on association of cattle egrets (Bubulcus ibis) with cattle Charles F. ThompsonScott M. LanyonKaren M. Thompson OriginalPaper Pages: 167 - 170
Inadequacy of activity time as a niche difference: the case of diurnal and nocturnal raptors Fabian M. Jaksić OriginalPaper Pages: 171 - 175
High temperature tolerance and heat acclimation of Opuntia bigelovii Brigitte Didden-ZopfyPark S. Nobel OriginalPaper Pages: 176 - 180
Shoot demography in new England populations of Maianthemum canadense desf. Juan F. SilvaTodd M. KanaOtto T. Solbrig OriginalPaper Pages: 181 - 186
Comparisons of yeast florae from natural substrates and larval guts of southwestern Drosophila James C. FoglemanWilliam T. StarmerWilliam B. Heed OriginalPaper Pages: 187 - 191
Species distribution and community organization in a Nebraska Sandhills mixed prairie as influenced by plant/soil-water relationships Paul W. BarnesA. Tyrone Harrison OriginalPaper Pages: 192 - 201
Interference strategy of Iridomyrmex pruinosum (Hymenoptera: Formicidae) during foraging Bert Hölldobler OriginalPaper Pages: 208 - 213
Decomposition of standing dead trees in the southern Appalachian Mountains Mark E. Harmon OriginalPaper Pages: 214 - 215
Coevolution of the checkerspot butterfly Euphydryas chalcedona and its larval food plant Diplacus aurantiacus: larval response to protein and leaf resin D. E. LincolnT. S. NewtonK. S. Williams OriginalPaper Pages: 216 - 223
Quantification of host preference by manipulation of oviposition behavior in the butterfly Euphydryas editha Michael C. Singer OriginalPaper Pages: 224 - 229
Production and standing crop patterns of giant cutgrass (Zizaniopsis miliacea) in a freshwater tidal marsh Joe B. BirchJames L. Cooley OriginalPaper Pages: 230 - 235
Foraging behaviour of Lesser Sheathbills Chionis minor exploiting invertebrates on a sub-Antarctic island Alan E. Burger OriginalPaper Pages: 236 - 245
Experiments on habitat selection in voles: Implications for the inverse distribution of two common European species L. Hansson OriginalPaper Pages: 246 - 252
Coevolution of pierid butterflies and their cruciferous foodplants IV. Crucifer apparency and Anthocharis cardamines (L.) oviposition Steven P. Courtney OriginalPaper Pages: 258 - 265
A new method for censusing animal populations: The number of Eciton burchelli army ant colonies on Barro Colorado Island, Panama Nigel R. Franks OriginalPaper Pages: 266 - 268
Reproductive strategies of six herbaceous perennial species in relation to a successional sequence A. J. A. StewartK. Thompson OriginalPaper Pages: 269 - 272
Locomotory efficiency in the predation strategies of the British Notonecta (Hempitera, Heteroptera) P. S. Giller OriginalPaper Pages: 273 - 277
The notion of minimum distance or why rare species are clumped Howard V. Cornell OriginalPaper Pages: 278 - 280
Reproductive interference between three parapatric species of reptile tick R. H. AndrewsT. N. PetneyC. M. Bull OriginalPaper Pages: 281 - 286
Microgeographic variation in the diets of garter snakes Donald G. Kephart OriginalPaper Pages: 287 - 291
A bonanza-blank pollinator reward schedule in Delphinium nelsonii (Ranunculaceae) Don Brink Short Communication Pages: 292 - 294
