KNOWLEDGE. 



Koniscope — 



By Dr. J. G. McPheeson 258 



Land of Skeletons — 



By R. Lydekkek ... ... .. . 1 



Large Telescopes — 



Letter on ; by Edwin Holmes ... . . 39 



Levingston, Robert R. — 



Letter on Moonlight Photographs ... .. 18 



Liquid Air — 



By J. J. Stewabt ... ... ... ... 149 



Liquid Chlorine — 



By A. G. Bloxam 133 



Lobley, Prof. J. Logan — 



Origin of the Gold of Quartz Veins ... 188, 229 

 Climate of the Cambrian Period ... . . 260 



Locock, C. D. — 



Chess Column every month. 



Longstaif, G. B.— 



Great Sanitary Lesson of the Crimean War 80 



Luminiferous Ether — 



By J. J. Stewart 



Lunar Crater Plains — 



Letter on ; by S. E. Peal 



111,123 



64 



Lynn, W. T.— 



Periodical Comets due during the remainder 

 of the present Century ... ... ... 6 



Letter on Encke and Seeberg... ... ... 10 



Letter on Periodical Comets ... ... ... 64 



Letters on Periodicity of the Solar Spots 208, 229 



Maclear, J. P.^ 



Letter on Moonlight Photographs 115 



Magnifying Powers most Useful in Observing 

 with Large Telescopes — 



r.y Prof. E. E. Baen.vbd 97 



Mailed Monsters of Argentina — 



By R. Lydekker . . ... ... ... 51 



Making of Diamonds — 



By Vaughan Cornish ... ... ... ... 76 



Man-like Apes — 



By R. Lydekker ... ... ... ... 151 



Maunder, E. Walter— 



The Tenuity of the Sun's Surroundings ... 49 



Prolonged Sunspot Miaimum... ... ... 173 



Wanderings of a Sunspot ... ... ... 198 



The Canals of Mars 249 



McGowan, George — 



How Noxious Gases and Vapours from Alkali 

 and other Works are utilized ... ... 256 



Maclver, Charles — 



Letter on Unusual Appearance 



86 



McPherson, Dr. J. G.— 



The Koniscope .. 



The Hazing Effects of Atmospheric Dust 



Mechanical Flight — 



By Thomas Moy 



Meteors in the Lunar Atmosphere — 



By A. E. V/hitehouse .. 



Milne, Prof. John — 



Sealing in Open Waters 



Mitchell, C. A.— 



Sacred Water of Mecca 



The Venom of the Cobra 



The Venom of the Vipers 



Ptomaines formed during Putrefaction 



Sympathetic Explosions 



Bacteria of Phosphorescence ... 



Mitchiner, J. H. — 



Coffin of the Builder of the Third Pyramid 

 The Phcenicians, or Palm-Tree People 



Moonlight Photographs — 



By J. P. Maclear 



Letter on ; by Robert R. Levingston 



Mounting of Large Reflecting Telescopes — 



By Sir Howard Grubb . . 



258 

 283 



274 



115 



56 

 137 

 161 

 172 

 231 

 244 



32 



89 



115 



18 



98 



