Nature, Volume 89

action amount animals appears applied British carried cent changes chapter character chemical College colour complete connection considerable contains course deals described detail determined direction discussion eclipse edition effect electric engineering evidence examination existence experiments fact further given gives illustrated important increase INSTITUTION interest June known laboratory less light lines London March marks material matter means measurements meeting method nature observations obtained occur original period physical plants plates position possible practical present pressure Price probably problems produced Prof published question recent recorded reference regard relation represented Royal scientific shown Society South species surface taken temperature theory tion University various volume