Referee's report by George Leith Roupell, on a paper 'Experiments relative to animal temperature, showing that there must be some source of animal heat besides the combustion of the carbon and the hydrogen contained in the food of animals' by Robert Rigg Referee has not had adequate time to study the paper in-depth, asks for 'a little longer' to complete his definitive report. Subject: Zoology/Chemistry [Published in Proceedings of the Royal Society, 1843]. 25 June 1846