Introduction Frank Seebacher. School of Biological Sciences, A08, The University of Sydney, New South Wales 2006, Australia. E-mail: fseebach@bio.usyd.edu.au and stable (daily amplitude 2C) body temperatures without metabolic heat production even in 2003 The Paleontological Society. All rights reserved. Accepted: 20 June 2002 0094-8373/03/2901-0016/$1.00 Paleobiology, 29(1), 2003, pp. 105–122 FRANK SEEBACHER 106 Materials and Methods DINOSAUR BODY TEMPERATURES 107