Nature, Volume 29

acid animals appearance atmosphere atoms August 27 barrier-reefs Ben Nevis cause cells centimetres centre clouds coast colour comet connection Cystidium dark December described distance dust earth east ectoderm effect electric electric shadows endoderm engine eruption exhibited expedition experiments fact feet fish geological germinal cells glow green Greenland heat height horizon hydranth important inches interesting islands January January 24 Java kinetic engines Krakatoa layer light lower magnetic matter measure metal meteor metres miles motion NATURE November observations Observatory obtained October paper Paris Observatory phenomena phenomenon plates present president pressure probably produced Prof Radiolaria recent reefs region remarkable rocks Royal Society scientific seems seen side snow species specimens spicules Sunda Straits sunrise sunset surface temperature theory tion upper velocity volcanic wave whole