Bell argues that for a body cooling in water, the external thermal resistance is given by 3. BELL'S ARGUMENT 1. INTRODUCTION identify the ecological circumstances in which a giant ectotherm could achieve increased rates of heat loss by immersion in a large body of water. Institute of Biomedical and Life Sciences, Division of Environmental and Evolutionary Biology, Graham Kerr Building, University of Glasgow, Glasgow G12 8QQ, UK (g.ruxton@bio.gla.ac.uk) 1921 doi 10.1098/rspb.2001.1743
