Nature, Volume 54Sir Norman Lockyer Macmillan Journals Limited, 1896 - Electronic journals |
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Page 161
... period of larval susceptibility . The following forms of variation in butterflies or the genus Heliconius , of Tropical America were exhibited by Mr. W. F. H. Blandford . ( 1 ) Variation in Heliconius erato , L. There are three main ...
... period of larval susceptibility . The following forms of variation in butterflies or the genus Heliconius , of Tropical America were exhibited by Mr. W. F. H. Blandford . ( 1 ) Variation in Heliconius erato , L. There are three main ...
Page 207
... period of 7h . 46 8m . , and because it is said to retain its full brightness for less than half its period , this last peculiarity being opposed to the probability of the variation being due to a dark eclipsing body . On construct- ing ...
... period of 7h . 46 8m . , and because it is said to retain its full brightness for less than half its period , this last peculiarity being opposed to the probability of the variation being due to a dark eclipsing body . On construct- ing ...
Page 527
... period of 52 days , and is irregular . The latter we owe to Miss A. C. Maury ; the period of this is regular , and is of nearly four days in length . THE VARIABLE STAR Z HERCULIS . - A point of great im- portance , but not sufficiently ...
... period of 52 days , and is irregular . The latter we owe to Miss A. C. Maury ; the period of this is regular , and is of nearly four days in length . THE VARIABLE STAR Z HERCULIS . - A point of great im- portance , but not sufficiently ...
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Academy acid alloys alternating current aluminium Amphipoda animals apparatus appears astronomical birds British carbon cells character chemical chemistry chromosphere College colour Committee connection contains Council Crustacea described effect electric engineering exhibited expedition experiments fact Geological give given illustrated important increase Institution interesting investigation J. J. Thomson Joseph Lister June kathode laboratory large number larvæ light London Lord Kelvin magnetic mathematical matter means measures ment metal meteorological method metric system mineral Museum Natural History Nicaragua Canal object observations Observatory obtained paper phosphorescent photographs physical plate present President produced Prof Professor published recent referred remarkable researches Röntgen rays Royal Society schools scientific South South Africa species specimens stars surface temperature theory tion tourmaline tube University University of Glasgow variation velocity volume