VI. 



K NOWLEDGE 



Hair, Plant-bearing— 

 By E. Lydekker 



Hair, Sudden Blanching of Human - 



Letter on ; by Sir W. R. Gowers 



Hand-Prints, Monlcey— 



By R. Lydekker 



Hoar-Frost, Tlie Alchemy of — 



By Arthur H. Bell ... 



Human Life Possible on other Planets, Is ?— 



Letter on ; by Arnold D. Taylor 



Letter on ; by Thomas R. Warin(5 .. 



Letter on ; by Arthur En. Mitchell 



Letter on ; by E. Lloyd Jones 



Hydrogen, The Second Series of Lines in the 

 Spectrum of— 



By Edward C. Pickering 



Ice Age, The— 



Letter on ; by W. H. S. Monok 



Icebergs, Amongst Antarctic — 



Letter on; by H. E. B 



Insects of the Sea, The — 



By Geo. H. Carpenter. 

 Bristle-Tails 

 Spring-Tails 

 Beetles 



Flies 



Four-winged Flies and Bugs 



223 



231 



Lewis, R. T.— 



Letter on Double Rainbow 



201 



258 



15 

 40 

 41 

 90 



181 



158 



251 



Locock, C. D., B.A.— 



Chess Column . . 



24, 47, 71, 95, 119, 143, 1G8, 

 191, 215, 240, 268, 287 



19 



51 



114, 161 



. . 194 



... 245 



Jones, E. Lloyd 



Letter on Is Human Life possible on other 



Planets? 90 



Letter on Clouds on Mars ... ... 133 



Knight, Geo. McKenzie— 



Letter on The Nebular Hypothesis ... ... 109 



Letter on Sunspots and Terrestrial Tempera- 

 ture 133 



Letter on A Triple Rainbow ... ... ... 231 



Leonids, Photographic Search for— 



Note on; by E. W. M. 15 



Lunar Atmosphere and Oceans — 



Letter on ; by J. O'M.AY 182 



Lunar Theory, Prof. Adams Lectures on the— 



By P. H. CowELL 154 



Lydekker, R. — 



Monkey Hand-Prints ... ... 3 



Living Millstones .. .. ... 28 



Finger-Prints as Evidences of Personal 



Identity .. ... ... 66 



Four-Horned Sheep . ... ... ... 150 



How Arctic Animals turn White . . 172 



Plant-Bearing Hair 228 



Some Peculiar Animal Products ... ... 252 



A Remarkable Mammal . . 269 



McDonald, R. L. 



Letter on Sunset Phenomenon ... 63 



MacDowall, Alex. B., M.A.— 



Letter on Gradual Change in our Climate ... 39 



Letter on Sunspots and Winters ... ... 156 



Letter on Does the Moon affect Rainfall ? ... 276 



Mammal, A Remarkable — 



By E. Lydekker .. ... ... .. 269 



Markwick, Col. E. E.— 



Letter on Sunset Phenomenon 88 



Mars, Clouds on — 



Letter on ; by E. Lloyd Jones ... ... 138 



Letter on; by R. A. Gregory ... ... 133 



Letter on ; by T. K. Waring ... ... ... 157 



Uars, The Canals of — 



By Miss M. A. Orr 38 



Maunder, E. Walter, F.R.A.S.— 



Constellation Studies — 



I. The North Circumpolar Stars ... 12 

 XL The Region of Leo 33 



