1. Variability of the thermal behavior of honeybees on a feeding place

   • Sigurd Schmaranzer
   • Anton Stabentheiner

   OriginalPaper Pages: 135 - 141

2. Adaptation of intestinal enzymes to seasonal and dietary changes in a hibernator: the European hamster (Cricetus cricetus)

   • Michel Galluser
   • Francis Raul
   • Bernard Canguilhem

   OriginalPaper Pages: 143 - 149

3. Social thermoregulation during hibernation in alpine marmots (Marmota marmota)

   • Walter Arnold

   OriginalPaper Pages: 151 - 156

4. Seasonal acclimation of bank voles and wood mice: nonshivering thermogenesis and thermogenic properties of brown adipose tissue mitochondria

   • Susanne Klaus
   • Gerhard Heldmaier
   • Daniel Ricquier

   OriginalPaper Pages: 157 - 164

5. Comparative aspects of fibre types, areas, and capillary supply in the pectoralis muscle of some passerine birds with differing migratory behaviour

   • Björn O. Lundgren
   • Karl-Heinz Kiessling

   OriginalPaper Pages: 165 - 173

6. Glycerol metabolism in a freeze-tolerant arctic insect: an in vivo¹³C NMR study

   • Olga Kukal
   • Anthony S. Serianni
   • John G. Duman

   OriginalPaper Pages: 175 - 183

7. Cold-acclimation-induced protein hypertrophy in channel catfish and green sunfish

   • Jeffrey Kent
   • Michael Koban
   • C. Ladd Prosser

   OriginalPaper Pages: 185 - 198

8. Lipid synthesis and deposition by adult Richardson's ground squirrels in the natural environment

   • Gary L. Bintz

   OriginalPaper Pages: 199 - 204

9. Responses to heat stress in two species of Australian quail,Coturnix pectoralis andCoturnix chinensis

   • Juliet R. Roberts
   • R. V. Baudinette

   OriginalPaper Pages: 205 - 211

10. Consequences of skin color and fur properties for solar heat gain and ultraviolet irradiance in two mammals

    • Glenn E. Walsberg

    OriginalPaper Pages: 213 - 221

11. Changes in phosphometabolites and intracellular pH in the tail muscle of the prawnPalaemon serratus as shown by in vivo³¹P-NMR

    • J. P. Raffin
    • M. T. Thébault
    • J. Y. Le Gall

    OriginalPaper Pages: 223 - 228

12. Effects of variation in total and regional shell conductance on air cell gas tensions and regional gas exchange in chicken eggs

    • Roger S. Seymour
    • A. H. J. Visschedijk

    OriginalPaper Pages: 229 - 236

13. Energy expenditure and protein turnover in three species of wallabies (Marsupialia: Macropodidae)

    • R. G. White
    • I. D. Hume
    • J. V. Nolan

    OriginalPaper Pages: 237 - 246

14. Fine structure, mechanism of heart function and haemodynamics in the prosobranch gastropod molluscLittorina littorea (L.)

    • Elizabeth B. Andrews
    • Peter M. Taylor

    OriginalPaper Pages: 247 - 262

15. Fuel uptake, storage and use in male bumble beesBombus terrestris L.

    • Bernhard Surholt
    • Heinrich Greive
    • Andreas Bertsch

    OriginalPaper Pages: 263 - 269