KNOWLEDGE 



Halo- 



About Photographic Images of Bright Stars 194 



.. 102 



Hedgehog- 

 Spiny Animals ; by R. Lydekkek 



IDS 



91 



Hemphill, Dr. W. D.— 



Supposed Photograph of Ball Lightning 



Henry, Brothers — 



Photograph of the Hercules Cluster . . . 

 Photographs of the Moon ... 129, 149, 1G9, 209 



Hercules Cluster — 



Photographs and Drawings of ... 90, 109 



Hermite, M. Gustave - 



His Explorations of the Upper Air .. ... 107 



Holt, J. R.— 



Letter on the use of the word " pericentre " 133 



On the Formation of Clouds in the Atmos- 

 phere of Mars ... ... ... ... 153 



Homer — 



Familiar Studies in ; by Miss A. M. Clerke 51 



Hopkins, B. J. — 



Notice of his book, " Astronomy for every-day 

 Eeaders " ... ... ... ... ... 51 



Letter as to popular names of the Con- 

 stellations ... .. ... ... ... 73 



Hutchings, R. S.— 



Lunar Craters seen in Relief .. ... ... 209 



Some recent Investigations of the Geology of 

 the Punjab Salt Range ... 137 



Insect Plagues — 



Letter as to Insect Plagues of Uruguay ... 74 



Janssen, Er. J.— 



His Photographs of the Solar Photosphere 190, 228 



Kapteyn, Prof. J. C— 



On the Distribution of the Stars in Space ... 114 



Kayser- 



Notice of his " Text-book of Comparative 

 Geology" 112 



Kew- 



The Index Kewensis 



131 



Errata in his Paper ... 

 Letter on the Grouping of Stars 



Kirby. W. F.— 



The Governmental Inquiry with respect to 

 Field-Voles ... 134 



Lemurs — 



By R. Lydekker 



14 



235 



Levingston, R. R.— 



Supposed Photograph of Lightning . . . 



Lexell's Comet— 



On its possible identity with Comet V., 1889 213 



Lightning- 

 Supposed Lightning Photographs ... 193,235 



Locock, C. D. — 



Chess Column each Month, 



Longstaff, Dr. G. B.— 



Statistical Paper on Rural Depopulation . . 1C8 



Lubbock, Sir John- 

 Character of Ants . 31 



Lunar Mountain Chains— 



TheOrigiaof 210 



Lydekker, R. — 



Lemurs... .- ■ l'^ 



The Extinction of Animals 21 



Habits of the Pichiciago 28 



Living Fossils ... ... ••• ••• 55 



Moles and their Like ... 81 



Spiny Animals... 101 



Tusks and their Uses 121 



Parallelism in Development 141 



Toothed ^Yhales and their Ancestry 161 



Whalebone and Whalebone Whales ... 148 



The Tallest Mammal 201 



Lynn, W. T.— 



Periodical Comet due in 1893 13 



The r; Argus Region of the Milky Way ... 113 



On the vse of the word " pericentre " ... 154 



On 9Eridani 174 



Lexell's Comet and the question of its possible 



identity with Comet v., 1889 213 



MacDowall, Alex. B.— 



Our Rainfall in recent years 235 



Macgeorge, E. F.— 



On the Great Lunar Plains .. 175 



133 , Maddy, T. H.— 



134 



The Polecat in Cardiganshire 



89 



