“…It may be questioned, also, whether there is any special innervation of abdominal viscera, chiefly of the liver, subjecting their heat producing activities to the thermoregulatory control. Some investigators stress the importance of these organs in the chemical regulation against cold (Fedorov and Shur, 1942; Jitariuet al, 1941, Donhoffer et al, 1959). But evaluating the role played by these organs is very difficult.…”