KNOWLEDGE. 



Comet c 1903 (Borelly), Photographs of- 

 By Isaac Roberts 

 Letter on ; by H. C. Johnson 



Comet, New (1902 d)— 



Note on 



Comets and Meteors, Notes on— 



201 

 230 



10 



By W. F. Denning ,. 22, 46, 69, 93, 118, 142, 166, 

 190, 213, 238, 262, 286 



Comets and their Tails and the Gegenschein— 



Letter on ; by Fred. G. Shaw . 182 



Common, Andrew Ainslie, LL.D., F.R.S — 



Obituarial Notice of ... ... ... . 156 



Conrady, A. E.. F.R.A S.. F.RM S.— 



Numerical Aperture and Rapidity ... ... 236 



Cosmogonies, Modern — 



By Agnes M. Clerke — 



The Nebular Hypothesis 57 



Criticisms of the Nebular Hypothesis . . . 104 

 The Nebular Hypothesis Varied and 

 Improved... ... ... ... ... 148 



Tidal Friction as an Agent in Cosmogony. . . 196 

 The Fission of Rotating Globes 2.51 



Earthquake in the Midlands — 



Note on . 



Earthquake. The, of June 19th— 



Note on 



Easton. C, D.Sc— 



What is the Milky Way :' 



Eclipses, Cycles of— 



By A. C. D. Crommelix 



Editorial 



Edser, Edwin. A R.C.Sc. F.Ph S.— 



Molecules and Heat- A Criticism 

 Radium... 



Elephant, The Ancestry of the— 



By R. Lydekkek 



112 



184 



151 



202, 224 

 .. 265 



100 

 217 



16r> 



Crommelin, A. C. D — 



The Path of the Moon 

 Cycles of Eclipses 



32, 59 

 202, 224 



Ether Atoms, Lord Kelvin's new idea about — 



By J. G. McPherson ... ... 76 



Evolution, The Palaeontological Case for — 



By R. Lydekker ... .73, 100, 12:! 



Field, Lt. K. D , R.A — 



Letter on Curious Sunset Phenomenon ... 206 



Cross, M. L— 



Microscopy 



20, 44, 68, 91, 116, 140, 164, 

 188, 212, 230, 260, 284 



Flammarion, Camille— 



Man's Place in the Universe 



121 



Damania, Lt.-Col. P J , LM.S.— 



Letter on Radium and the Sim's Heat . . 255 



Denning, W. F., F.R.A.S.— 



Notes on Comets and Meteors 22, 46, 69, 93, 118, 

 142, 100, 190, 213, 238, 262, 286 



.Jupiter and his Markings 177 



The Markings and Rotation Period of Saturn 270 



Dixon, Charles C — 



Letter on Circular Rainbows 



156 



Duboln, Dr. A. — 



Letter on l>id the Itomans know Ahuuinium ? 01 



Flowers, Familiar British Wild, and their 

 Allies— 



By R. Lloyd Praeger — 



The Pea Family I'i" 



The Rose Family t'5 



The Umbelliferae ... ■■• 97 



The Coiupositiv .. ... 161 



Heaths and Gentians ■• l'^3 



Orchids 213 



Fowler, A , F.R.A.S.— 



The Chemistrv of the Stars ... 30, 79, 128, 170. 



007 -'T'i 



