1. Respiration of individual honeybee larvae in relation to age and ambient temperature

   • Markus Petz
   • Anton Stabentheiner
   • Karl Crailsheim

   Original Paper 22 July 2004 Pages: 511 - 518

   

2. Metabolic rates during rest and activity in differently tracheated spiders (Arachnida, Araneae): Pardosa lugubris (Lycosidae) and Marpissa muscosa (Salticidae)

   • Anke Schmitz

   Original Paper 04 August 2004 Pages: 519 - 526

   

3. K⁺ transport in the caterpillar intestine epithelium: role of osmolytes for the K⁺-secretory capacity of the tobacco hornworm midgut

   • Heiko Meyer
   • Helmut Wieczorek
   • Wolfgang Zeiske

   Original Paper 20 August 2004 Pages: 527 - 539

   

4. The power requirements (Glossophaginae: Phyllostomidae) in nectar-feeding bats for clinging to flowers

   • Christian C. Voigt

   Original Paper 17 August 2004 Pages: 541 - 548

   

5. Comparison of pulmonary vascular response to endogenous nitric oxide inhibition in sheep and pigs living at 2,300 m

   • Zonghai Ruan
   • Tomonobu Koizumi
   • Xiaoqin Wang

   Original Paper 11 August 2004 Pages: 549 - 554

   

6. The ammonotelic African lungfish, Protopterus dolloi, increases the rate of urea synthesis and becomes ureotelic after feeding

   • C. K. Lim
   • W. P. Wong
   • Y. K. Ip

   Original Paper 17 August 2004 Pages: 555 - 564

   

7. Defences against ammonia toxicity in tropical air-breathing fishes exposed to high concentrations of environmental ammonia: a review

   • Y. K. Ip
   • S. F. Chew
   • D. J. Randall

   Original Paper 17 August 2004 Pages: 565 - 575

8. Integration of autonomic and local mechanisms in regulating cardiovascular responses to heating and cooling in a reptile (Crocodylus porosus)

   • Frank Seebacher
   • Craig E. Franklin

   Original Paper 31 August 2004 Pages: 577 - 585