KNOWLEDGE. 



Hot Springs- 

 Article on ; by Prof. -1. Logan Lobley 



Hull. Edward— 



Xolice of his book, " Tlie Physical Geology 

 and Geography of Ireland ... 



Hutchinson, The Rev. H. N.— 



The Caiions of Colorado 



Notice of his book, " The Story of the Hills 



Theories of Glacier Motion .. 



The Great Earthquake in .Japan of 1891 



How Old is the World? 



The New Geology 



!)o 



VI 



7, 2it 



12 



66 



88 



161 



216 



Ice Age— 



The Cause of the ... ... 1, 31, 52 



Inwards, Richard — 



The Cretan Labyrinth 



Island Life — 



Notice of Mr. A. E. Wallace's book on 



Jameson, A. — 



Ou Radiometers 

 Radiant Matter 



Kent, Saville — 



His book, " The Great Barrier Reef of Aus- 

 tralia " 



Kirby, W. E.— 



Notice of his book on " Beetles, Butterflies, 

 Moths, aijd other Insects"... 



Letter on the Imperfection of our Knowledge 

 of the Species of Insects 



Lightning— 



On Lightning Photographs ; by A. C. Hanyakd 



Line of Sight — 



The Movements in the Line of Sight of Stars 

 and Nebulii- ... 



Liquefaction of Gases — 



Paper on ; by V.aughax Cornish 



Locock, C. D. — 



Chess Column for each Month. 



Logarithms — 



194 



1.51 



138 

 176 



231 



233 

 235 



H'.» 



209 

 141 



Lydekker, R. 



Elephants, Recent and Extinct 46,64 



A Lump of Chalk and its Lessons 101 



Protective Resemblance in Animals ... 121 



Ruminants and their Distribution 152 



The Oldest Fishes and their Fins 173 



A Flake of Flint and its History ... 195 



The Oldest Mammals . 212 



Armadillos and Aard-Varks 221 



Lynn, W. T.— 



Periodical Comets due in 1892 ... 37, 71 



The Wilson Phenomenon of Simspots 236 



Star Cluster near Sirius, observed by Aristotle 237 



MacDowall, Alex. B. — 



Statistics as to the Drinking Habits and 



Recent Trade of the Nation . 232 



Magnetic Storms — 



The Connection between Sunspots and 

 Magnetic Storms 68,89 



Mars- 



Evidence as to Water Vapour in the Atmos- 

 phere of the Planet Mars 193 



The Temperature of; letter from Prof. W. 

 H. Pickering .. ... .. 113 



The Climate of ; by E. W. Maunder .. 167 



Notes as to the Temperature of; by Prof. \\ . 

 H. Pickering and A. C. Ranyakd ... . 194 



Notice of M. Camille Flammarion's book, " La 

 Planete Mars et ces Conditions d'Habi- 

 tabilite" 211 



Maunder, E. W.— 



The Great Sunspot and its Influence ...68, 89 



Article on the New Star in Auriga ... 108 



The Distribution of Sunspots in Solar Lati- 

 tudes... 128 



The Climate of Mars ... ... ... ... 167 



Max Wolf, Dr. 



His Photographs of the Milky Way — 



About ^ Cephei 



About y Cygni ... 



His Photographs of the Milky Way .. 



... 12 

 14, 34 



131, 192 



Mediterranean- 



Article on the Depths of the Mediterranean and 

 Black Seas ; by R. Beynox .. ... 116 



Calculated by means of Tables ot Proportional 

 Parts... 



33 



Meteors — 



Photographic Record of the Track of ... 



34 



