KNOWLEDGE. 



Hertz, Dr. H.— 



Experiments of ... ... ... ... 81 



Hiorns, A. H. — 



Notice of his text-book of " Elementary 

 Metallurgy" .".172 



HofTert, Dr.— 



His Photograph of Lightning ... ... 179 



Holden, Prof. E. S.— 



Letter on Photographs of the Orion Nebula... 191 



Hopkins, B. J.— 



Intelligence in Cat ... ... ... ... 42 



Hopley, Catherine C. — 



Notice of book on •• ]5ritish Reptiles and 

 Batracians " . . ; ... ... ... ... 22 



norland, G.— 



An Undecipherable Cipher ... ... ... 87 



Howarth, E. — 



Article on the Sand Grouse ... ... ... 91 



Howlett, Rev. Wm.— 



Photograph of Lightning ]51asted Tree ... 198 

 Letter on Occultation of Jupiter and WOson's 

 Theory of Sun Spots ... ... ... 232 



Muggins, William, F.R.S., F.R.A.S.— 



Spectrum of the Orion Nebula ... ... 164 



Hutchinson, Dr. Robert F. — 



On the .Jackal ... ... ... ... ... 39 



Hydrogen — 



The Discoverer of ... ... ... ... 67 



India-rubber — 



Pavement 70 



Inwards, R. — 



Paper on New Form of Compensating Pen- 

 dulum, read at Meeting of the Astrono- 

 mical Society ... ... ... ... 41 



Letter in Answer to Lord (irimthorpe ... 85 



James, F. L. — 



Notice of book entitled " The llnknown Horn 

 of Africa "... ... ... ... ... 4o 



Kilauea — 



Volcanoe in Sandwich Islands ... ... 99 



W. F. Kirby, F.E.S.— 



Notice of Mr. Scudder's book on the " Butter- 

 flies of the United States "... ... ... 88 



Notice of Mr. Kirby's book on " European 

 Butterdies and Moths " 89 



Klein, Dr. Hermann J.— 



Notice of Star Atlas of 89 



Lassell, Wm. — 



Drawings and Observations of the Orion 



Nebula ... ... ... 147 



Leonard, N. — 



lUuf FliUiio prochicetl hy I'luniing Salt ... 173 



Lick Observatory — 



Description ot the ... ... ... ... 34 



Automatic Recording Inslruiiicnts of the 

 Lick Observatory ... ... ... ... .")S 



Library — 



Free Library of the Patent Ollice ... 173 



Lightning — 



Article on Danger from Lightning, by R. \. 

 Proctor ... .. ... ... ... 11 



Lightning — ('ontinwil . 



Article on Photographs of Lightning, by \\ . 



Marriott and k. C. Ranyard ... ... 105 



How Long does a Flash of Lightning last ? 



by A. C. Ranyard ... ... ... ... 177 



Note, by W . JIa'rriott 179 



Mortality and Accidents fiom, by W. Marriott 197 

 On the Disruptive Effects of Lightning, and 



on Dark Flashes, by A. C. Ranyard ... 198 



Literature — 



On Changes of Public Taste in, by Alex. B. 

 MacDowall 



Lodge, Dr. Oliver — 



His Experiments with Lightning Conductors 



Louis, D. A., F.I.C., F.C.S.— 



Article on Nitrates 



Article on the Occurrence of Gold ... 



Article on Phosphates as Fertilisers 



Lydekker, R. — 



i )ogs and Bears in the Present and in the 



Past 



Lynn, Dr. Walter — 



\n early improver of the Steam Engine 



Lynn, W. T.— 



Article entitled, On the First Inventor of 



the Achromatic Telescope ... 

 Notice of his book entitled " Celestial 



Motions" 



Macalister, R. D. 



The History of some Common ^^"ords 



Macdonald, W. Rae — 



Notice of his book on " The Construction of 

 the Wonderful Canon of Logarithms," by 

 •John Napper 



MacDowall, Alex. B. — 



The Health of London 



On Changes of Public Taste in Literature . . . 



The Nation's Purse 

 Emigration 



Madge, Henry J. — 

 Letter on Comets 



Marriott, W.— 



Article on Photographs of Lightning 



Note on Duration of Flash ... 



Mortality and Accidents from Lightning ... 



Mawer, W. (F.G.S.)- 



Notice of a book by, entitled " Truth for its 

 Own Sake." The Story of the Life of 

 Charles Darwin 

 .\n Invertebrate Eye in the Vertebnite Skull 



McGowan, George, Ph.D.^ 



On Common Salt 



Meteorological Society - 



Collection of Piiotographs of Lightning 



Milliken, W. E. - 



Old Museums ... 



Mitchell's 



Minimum Thermometer 



Molecules 



On the Dimensions of Molecules, by \\'alter 

 (i. Woollcombe ... ... ... 117 



103 



221 



100 

 162 



181 



249 



14H 



153 

 172 



92 



112 



61 

 103 



158 

 207 



66 



165 

 179 

 197 



46 

 159 



31 



1()8 



33 



41 



-137 



