“…The effects on body temperature of intraventricularly or intrahypothalamically injected noradrenaline and adrenaline, 5-hydroxytryptamine, acetylcholine and PGE1 have been extensively investigated in several species of animals (Feldberg & Myers, 1963, 1964a, 1964b, 1965Feldberg, Hellon & Lotti, 1967;Myers, 1967;Cooper, Granston & Honour, 1965;Bligh, 1966;Findlay & Robertshaw, 1967;Anderson, Jobin & Olsson, 1966;Brittain & Handley, 1967;Myers & Yaksh, 1969;Feldberg & Saxena, 1971a, 1971bMilton & Wendlandt, 1971).…”