KNOWLEDGE. 



Sun's, The, Dusky Veil- 

 By Agnes M. Clerke .. 



Sunspots, The, of 1903, March and April— 



By E. Walter Maunder 



Sunspots. The, of 1903, October— 



By E. Walter Maunder 



Sunset Phenomenon, Curious- 

 Letter on ; by K. D. Field 



Letter on ; by E. E. Maekwick 

 Letter on ; by Paul A. Coubold 



Tirerrill and Drumahair— 



By Grenmlle A. J. Cole 



Tsetse Fly, The Mouth Parts of the— 



By W. Wesche 



Universe, Is the. Finite ?— 



Letter on ; by W. H. Monck 



Universe, Is the. Limited? — 



Letter on; by W. H. Monck 



130 



275 



206 

 231 

 256 



235 



92 



279 



132 



Universe, Man s Place in the— 



Letter on ; by W. H. S. Monck 109 



Letter on ; by Camille Flammarion . . . ... 121 



Letter on ; by Marcel Moye .. . ... ... 181 



Letter on ; by W. Woods Smyth ... ... 257 



Yenus, The Dark Hemisphere of— 



ByB. W.Lane 175 



Venus, The Visibility of the Crescent of— 



Letter on ; by T. H. Astbury ... ... 10 



Letter on; by W. T. M.\ckie 83 



Wallace, Alfred Russel, LL.D., D.C.L., F.R.S.— 



Letter on Man's Place in the Universe ... 107 



Wesche, Walter, F.R.M.S.— 



The Mouth Parts of the Tsetse Fly 92 



Wind-bags, Animal — Useful and Ornamental— 



By W. P. Pyokaft — 

 Wind-bags and Love-displays ... ... 1 



Wind-bags as Voice Organs ... ... 40 



Wind-bags as Danger-signals and Life- 

 buoys ... ... ... ... .. 52 



Universe, Man's Place in the — 



By E. Walter Maunder 

 Letter on ; by Alfred R. Wallace 

 Letter on ; by Agnes M. Clerke 

 Letter on; by J. E. Gore 



Wireless Telegraphy and Weather Forecasting — 



81,220,268 By Arthur H. Bell ... 172 



... 107 



108 ^oU, Dr. Max, F.R.A.S.— 



... 108 The Surroundings of the " America " Nebula 155 



