Nature, Volume 54

acid action animals appears become body British carried cause character College colour complete connection considerable contains course described determined direction effect electric evidence examination exhibited existence experiments fact give given illustrated important increase Institution interesting June known laboratory lead less light lines London Lord matter means measures meeting metal method Museum natural object observations obtained origin passed period photographs physical plate position possible practical present probably produced Prof published question rays received recent recorded referred regard relation remarkable Röntgen Royal schools scientific seems Society South species stars suggested surface taken temperature theory tion tube University variation various volume whole