1. Mechanism of beat reversal in semi-intact heart preparations of the blowfly Phormia regina (Meigen)

   • A. M. Angioy
   • P. Pietra

   Original Paper Pages: 165 - 170

2. Seasonal and daily rhythms of body temperature in the European hamster (Cricetus cricetus) under semi-natural conditions

   • F. Wollnik
   • B. Schmidt

   Original Paper Pages: 171 - 182

3. Fatty acids of the scleractinian coral Galaxea fascicularis: effect of light and feeding

   • S. Al-Moghrabi
   • D. Allemand
   • J. Jaubert

   Original Paper Pages: 183 - 192

4. Digesta passage and functional anatomy of the digestive tract in the desert tortoise (Xerobates agassizii)

   • P. S. Barboza

   Original Paper Pages: 193 - 202

5. Graded intracellular acidosis produces extensive and reversible reductions in the effective free energy change of ATP hydrolysis in a molluscan muscle

   • C. A. Combs
   • W. R. Ellington

   Original Paper Pages: 203 - 212

6. Prostaglandin interaction with the renal effects of plasma angiotensin II in the Pekin duck

   • D. A. Gray

   Original Paper Pages: 213 - 218

7. Acidosis, glycolysis and energy state in anaerobic heart tissue from rainbow trout

   • T. Hartmund
   • H. Gesser

   Original Paper Pages: 219 - 229

8. Potassium transport in red blood cells of frog Rana temporaria: demonstration of a K−Cl cotransport

   • G. P. Gusev
   • N. I. Agalakova
   • A. V. Lapin

   Original Paper Pages: 230 - 237

9. Supercooling, ice inoculation and freeze tolerance in the European common lizard, Lacerta vivipara

   • J. P. Costanzo
   • C. Grenot
   • R. E. Lee Jr.

   Original Paper Pages: 238 - 244