1. Physiological profiles and demographic rates in relation to food quantity and predictability: An optimization approach

   • Marino Gatto
   • Carlo Matessi
   • Lawrence B. Slobodkin

   OriginalPaper Pages: 1 - 30

2. The genetic basis of adaptation to selection for longevity inDrosophila melanogaster

   • L. S. Luckinbill
   • T. A. Grudzien
   • G. Weisman

   OriginalPaper Pages: 31 - 39

3. Fruit color polymorphism in a bird-dispersed shrub (Rhagodia parabolica) in Australia

   • Mary F. Willson
   • Dennis J. O'Dowd

   OriginalPaper Pages: 40 - 50

4. A search for trade-offs among life history traits inDrosophila melanogaster

   • Samuel M. Scheiner
   • Roberta L. Caplan
   • Richard F. Lyman

   OriginalPaper Pages: 51 - 63

5. Endophage-ectophage ratios and plant defense

   • H. V. Cornell

   OriginalPaper Pages: 64 - 76

6. Non-breeder asymmetry in Florida Scrub Jays

   • Jonathan P. Balcombe

   OriginalPaper Pages: 77 - 79

7. Density-dependent habitat selection: Testing the theory with fitness data

   • Douglas W. Morris

   OriginalPaper Pages: 80 - 94