1. Heart rate responses to altered ambient oxygen in early (days 3–9) chick embryos in the intact egg

   • R. Akiyama
   • H. Mitsubayashi
   • W. W. Burggren

   ORIGINAL PAPER Pages: 85 - 92

2. Thermoregulation during swimming and diving in bottlenose dolphins, Tursiops truncatus

   • D. P. Noren
   • T. M. Williams
   • E. Butler

   ORIGINAL PAPER Pages: 93 - 99

3. Asian small-clawed otters (Amblonyx cinerea): resting and swimming metabolic rates

   • N. Borgwardt
   • B. M. Culik

   ORIGINAL PAPER Pages: 100 - 106

4. Flight machinery dimensions of honeybees, Apis mellifera

   • H. R. Hepburn
   • S. E. Radloff
   • S. Fuchs

   ORIGINAL PAPER Pages: 107 - 112

5. Metabolic correlates of burst swimming capacity of juvenile and adult threespine stickleback (Gasterosteus aculeatus)

   • C. Garenc
   • P. Couture
   • H. Guderley

   ORIGINAL PAPER Pages: 113 - 122

6. Comparative analysis of the digestive efficiency and nitrogen and energy requirements of the phyllostomid fruit-bat (Artibeus jamaicensis) and the pteropodid fruit-bat (Rousettus aegyptiacus)

   • M. Delorme
   • D. W. Thomas

   ORIGINAL PAPER Pages: 123 - 132

7. Field metabolic rates and water uptake in the blossom-bat Syconycteris australis (Megachiroptera)

   • F. Geiser
   • D. K. Coburn

   ORIGINAL PAPER Pages: 133 - 138

8. Osmoregulation in North American eels (Anguilla rostrata LeSueur) on land and in freshwater: effects of the corpuscles of Stannius

   • D. G. Butler

   ORIGINAL PAPER Pages: 139 - 147

9. Potassium conductances in isolated single cells from Xenopus laevis colonic epithelium

   • B. Heinke
   • W. Clauss

   ORIGINAL PAPER Pages: 148 - 156