The ‘paradox’ of polyembryony: A review of the cases and a hypothesis for its evolution SEAN F. CraigLAWRENCE B. SlobodkinCHRISTIANE H. Biermann OriginalPaper Pages: 127 - 143
To mark the host or the patch: Decisions of a parasitoid searching for concealed host larvae THOMAS S. HoffmeisterBERNARD D. Roitberg OriginalPaper Pages: 145 - 168
Maternal effects and additive genetic inheritance in the collared lemming Dicrostonyx groenlandicus RUDY BoonstraM. Hochachka OriginalPaper Pages: 169 - 182
The ecology of diet expansion in a seed-feeding beetle: Pre-existing variation, rapid adaptation and maternal effects? CHARLES W. FoxJAN A. NilssonTIMOTHY A. Mousseau OriginalPaper Pages: 183 - 194
The relationship between geographic area and the latitudinal gradient in species richness in New World birds TIM M. BlackburnKEVIN J. Gaston OriginalPaper Pages: 195 - 204
The effect of temperature on sex ratio in the isopod Porcellionides pruinosus: Environmental sex determination or a by-product of cytoplasmic sex determination? THIERRY RigaudDELPHINE AntoinePIERRE Juchault OriginalPaper Pages: 205 - 215
Covariation of sexual dichromatism and plumage colours in lekking and non-lekking birds: A comparative analysis ROBERT Bleiweiss OriginalPaper Pages: 217 - 235
Unequal maternal investment in offspring quality in relation to predation risk JOHANNA MappesTAPIO MappesTIINA Lappalainen OriginalPaper Pages: 237 - 243
Effects of inbreeding depression on relatedness and optimal sex ratios JACO M. GreeffPETER D. Taylor OriginalPaper Pages: 245 - 247