Nature, Volume 80

acid amount apogamy appears April Archibald Geikie astronomical British carbon cent centre chemical chemistry cholesterol College colour contains dealing described direction discussion effect electric engine experimental experiments fact feet gases given gives Greenwich mean heat helium hydrogen illustrated important inches interest investigation ionisation Island J. J. Thomson Karl Pearson laboratory large number lectures lines London magnetic March matter ment method miles Museum nature observations Observatory obtained original oxygen paper parthenogenesis photographs physical plants plates Poldhu position practical present pressure produced Prof published radiation radio-active radium radium bromide rays recent record reference regard ROYAL INSTITUTION Royal Society schools scientific secondary South species spectroheliograph spores stars steam surface tantalum technical temperature theory thorium tion tube University uranium various velocity Victoria Land volume