Dissimilar bill shapes in new world tropical versus temperate forest foliage-gleaning birds Russell Greenberg OriginalPaper Pages: 143 - 147
Optimal foraging, plant density and the marginal value theorem Michael Zimmerman OriginalPaper Pages: 148 - 153
Patchiness in the dispersion of nectar resources: Probable causes Michael Zimmerman OriginalPaper Pages: 154 - 157
Genetic variation in the timing of reproduction in the Great Tit A. J. van NoordwijkJ. H. van BalenW. Scharloo OriginalPaper Pages: 158 - 166
A simple enzyme assay for dry matter digestibility and its value in studying food selection by generalist herbivores Gillian M. ChooPeter G. WatermanJ. Stephen Gartlan OriginalPaper Pages: 170 - 178
Exploitation of Opuntia cactus by birds on the Galápagos B. R. GrantP. R. Grant OriginalPaper Pages: 179 - 187
The population ecology of a natural population of the pierid butterfly Colias alexandra Jane Leslie Hayes OriginalPaper Pages: 188 - 200
Effect of group size on parasitism in a natural population of the Baltimore checkerspot Euphydryas phaeton Nancy E. Stamp OriginalPaper Pages: 201 - 206
The effects of light and nitrogen on photosynthesis, leaf characteristics, and dry matter allocation in the chaparral shrub, Diplacus aurantiacus S. L. GulmonC. C. Chu OriginalPaper Pages: 207 - 212
Clutch size and population stability in birds: A test of hypotheses Tore Slagsvold OriginalPaper Pages: 213 - 217
The effect of the thermal environment on the ability of hatchling Galapagos land iguanas to avoid predation during dispersal Keith A. ChristianC. Richard Tracy OriginalPaper Pages: 218 - 223
Accumulation of proline and glycinebetaine in Spartina alterniflora Loisel. in response to NaCl and nitrogen in the marsh Anthony J. CavalieriAnthony H. C. Huang OriginalPaper Pages: 224 - 228
Floral mimicry between Orchis israelitica Baumann and Dafni (Orchidaceae) and Bellevalia flexuosa Boiss. (Liliaceae) A. DafniY. Ivri OriginalPaper Pages: 229 - 232
Habitat assortment of sexes and water balance in a dioecious grass J. F. FoxA. Tyrone Harrison OriginalPaper Pages: 233 - 235
Patterns of furanocoumarin production and insect herbivory in a population of wild parsnip (Pastinaca sativa L.) M. R. Berenbaum OriginalPaper Pages: 236 - 244
Fruit abortion and the regulation of fruit number in Yucca whipplei Daniel UdovicCharles Aker OriginalPaper Pages: 245 - 248
Nitrogen fixation by intact colonies of the termite Nasutitermes corniger G. D. PrestwichB. L. Bentley OriginalPaper Pages: 249 - 251
Analysis of environmental and species effects on the magnitude of biomass investment in the reproductive effort of annual pasture plants N. de RidderN. G. SeligmanH. van Keulen OriginalPaper Pages: 263 - 271
Growth, morphology and gas exchange of mycorrhizal and nonmycorrhizal Panicum coloratum L., a C4 grass species, under different clipping and fertilization regimes L. L. Wallace OriginalPaper Pages: 272 - 278
Mechanical resistance of reefbuilders through time H. SchuhmacherM. Plewka OriginalPaper Pages: 279 - 282
