Nature, Volume 79

action amount animals appears Association body British carried cause changes chapter character collection College connection considerable contains continuous course dealing December described determined direction discussion effect electric engineering evidence existence experiments fact field further give given illustrated important increase Institute interest knowledge known less light lines London material matter means measured meeting ment method nature North November observations obtained origin passed period physical plants plates position possible practical present pressure Price probably problems produced Prof published question rays recent recorded reference regard relation remarkable Royal schools scientific Society South species suggested taken temperature theory tion University various volume whole