KNOWLEDGE 



IX. 



Photography 'in Natural Colours" by the 

 McDonough-Joly Process— 



I3y H. Snowi'KN Ward 



Pickering, Edward C— 



The Second Series of Lines in the Spectrum 

 of Hydrogen ... 



Plants, Flowering — 



With Illustrations from British Wild-flowers. 



By R. Lloyd Praeger — 



I. Roots and Stems . . 

 II. Concerning Leaves 



in. Flowers 



IV. Flowers and Fruit 

 V. Dispersal and Distribution 

 VI. The ^'egetation of Ireland 



Polar Exploration — 



Note on 



Quickly's, Mrs., " Table of Green Fields "- 



By Rev. D. R. ForHKBixauAM 



Letter on ; by H. Algar 



Letter on; by John- .James Coulion 



Rainbow, A Triple — 



Letter on ; by G. McKenzie Knight 



Rainbow, Double- 

 Letter on ; by R. T. Lewis ... 



isl 



25 

 79 

 125 

 160 

 217 

 281 



lK(j 



Praeger, R. Lloyd, B.A.— 



Flowering Plants. \\'ith Illustrations from 

 British Wild-flowers — 



I. Roots and Stems .. ... ... 25 



II. Concerning Leaves . 79 



IIL Flowers 12.3 



IV. Flowers and Fruits .. ... ... 169 



V. Dispersal and Distribution ... ... 217 



VI. The Vegetation of Ireland ... 2H1 



Pre-historic Man in the Central Mediter- 

 ranean— 



By . John H. Cooke ... ... 91 



Proctor, S. D.— 



Letter on Brilliant Meteor in California . . 27i> 



Rainbow Phenomena- 

 Letter on ; by 1'aui. a. CoHiiOLi) 



Rainfall? Does the Moon affect — 



Letter on ; by Alex. B. ^IacI)o\vai,i. 



Rainfall in South Africa — 

 By Arthur H. Bell ... 



Roberts, Isaac, D.Sc, F.R.S.— 



Photographs of the Clusters M. S") and 

 y VI. 17 Geminorum, and of Nebuhe in 

 Monoeeros 



Photographs of the Nebul;r |^ V. 32 Orionis, 

 Jjl IV. 2 Jlonocerotis, y IV. 28 Corvi, and 

 Jjl I. 139 (M. (Jl) Virginis 



Sandeman, Wm. 



Letter on The Path of the Sun 



Sea of Plenty, Sunrise on the— 

 By E. Walter Maunder 



Seismology, The Progress of, during the Nine- 

 teenth Century — 



By Charles Davison ... 



Shackleton, Wm., F.R.A.S.— 



Antarctic Exploration 



Sheep, Four-horned- 



By R. Lydekker 



10 



27tl 



51 



11 



180 



02 



01 



11 



121 



150 



Silver, Standard : Its History, Properties, and 

 Uses— 



By Ernest A. Smith 102, l;U, 108 



Sky, The Face of the- 



By A. Fowler . . . 



Quensel, Percy T. F. K.— 



Letter on Sunspots and Terrestrial 

 Temperature ... .. 108 



23, iO, 71, 95, 119, 112, 107, 

 191, 215, 239, 202, 287 



31 



88 

 89 



231 



204 



Smith, Ernest A., Assoc.R.S.M., F.C.S.— 



Standard Silver : Its History, Properties and 

 Fses 102,131,10:! 



Sounds, On the Capricious Hearing of Certain, 

 at Long Range- 

 By Rev. John M. Bacon 193 



Speeds, The Relative, of Some Common Birds— 



By Charles A. Witchell 119 



Starlight, The Brightness of— 



ByJ. E. Gore 177 



