Nature, Volume 94

action Address Agriculture animals appears applied Association Australia become body British carried cause changes character chemical College connection contains course deal described determined direction discussion effect engineering evidence examination experiments fact further give given illustrated important included increase Institute interesting kind knowledge known land less lines living London material matter means measures meeting ment methods natural object observations obtained October organism origin period physical plants position possible practical present Price probably problems produced Prof published question received recent records reference regard relation represented scientific Society soil South species supply surface taken theory tion University various whole