KNOWLEDGE 



INDEX 



HI. 



Absorption— 



On the Origin of the Solar Dark Lines . . . 177 



Algol Stars— 



The Light- Changes of Y Cygni 



Alkali— 



Eival Alkali Manufactures 



Anderson, Dr. T, D.— 



The Story of d Eridani 



Anthony, Edwyn — 



Di\isibility by 7 and 13 



Apennines — 



The Lunar ; by A. C. Eanyabd 



166 



25 



124 



74 



31 



Argus— 



The vj Argus Kegion of the Milky Way 50, 69 



Astronomy — 



The Astronomy of Shakspeare 



35 



Atmosphere — 



Exploration of the Upper Air by Balloons . . . 107 

 Equilibrium of a Solar Atmosphere ... 177, 190 



On the Atmosphere of Mars 153,173 



On the absence of a Lunar Atmosphere ... 193 



Bacteria — 



And the Flavour of Tobacco . . . 



Ball Lightning- 

 Supposed Photograph of 



... 30 



193 



Barnard, Prof. E. E.— 



Photograph of Nebula to the north of the 

 Trifid Nebula ... 11 



On the Period of the fifth Satellite of Jupiter 71 



Beck, H.— 



Shakspeare and the Seven Stars 



Blashill, Thos.— 



Letter on a Phosphorescent Meteor ... 



Boraston, J. Maclair— 



On the Grouping of Stars 



89 



113 



... 133 



Boys, Prof. — 



His Eadio-Micrometer 



Brester, Dr. A. — 



His Theory of the Sun 



71 



14, 28, 49 



Bright-Line — 



The Sun as a Bright-Line Star ; by Miss 

 A. M. Clerke IIG 



Bruce, Wm. S.— 



Antarctic Seals 



221 



Buckley, Miss A. B.— 



Notice of her book, " The Moral Teachings 

 of Science " ... ... ... ... .. 155 



Bulman, G. W.— 



On some recent Investigations of the Geology 

 of the Punjab Salt Eange 137 



The Migration of Birds 155 



Butler, E. A.— 



Caterpillars 

 Caterpillars' Dwellings 

 Galls and their Occupants 

 Curious Cocoons 



Caterpillars— 



Articles on ; by E. A. Butler 



Caterpillars' Dwellings — 



Articles on ; by E. A. Butler 



4,33,41 



... 61, 85, 104 



125, 143, 164, 186 



214,225 



4,33,41 



... 61,85,101 



Clerke, Miss A. M.— 



Dr. Brester's Theory of the Sun ... ... 28 



Notice of her book, " Familiar Studies in 



Homer" ... ... ... ... ... 51 



The Distribution of the Stars 66 



Stellar Spectra and Stellar Velocities ... 84 



The Sim as a Bright-Line Star 146 



The Light-Changes of Y Cygni 166 



Absorption in the Sun ... ... ... 177 



On the Solar and Stellar Photospheres ... 207 



Cluster— 



What is a Star Cluster ? by A. C. Eanyard 90, 109 



