INDEX. (55,, 



Lava ocean, discussion of ''"^.^I^ 



Lavoisier, works of " "' " 



Lengyel, Bela von, experiments of , ^..^ 



Lennox, Robert *f 



Lesquereux, Leo, researclies by ,,Z 



Librarian, assistant, for Smithsonian deposit xi i\ 



Library, Dr. Adler's report on -', 



expenditures for 



Secretary's report on , - 



Library of Congress Building, (Ireen on 



Liebeault, researches Ijy , m- 



Life history studies of animals -- 



on ocean floor ..jg 



Light, ancient theories of 95 



and its artificial production ~j 



chemical action of (519 ^^2\ 



ether vibrations producing 201 



magnesium, actinic value of (516 



measurement of intensity of (j] 7 



nature of, established ]01 



researches on 145^ 218 



ultra violet 151 



undulatory theory of 108, 398 



velocity of 399 



visible, wave lengths of 211 



wave theory of, Cornu on 9;i-105 



Lighting, bead, nature of 1 29 



globular, nature of 1 29 



Lindsay, William, Regent oi the Institution \, 3 



Linell, Martin L., paper by 7S 



Liquefaction of air \'M 



Liquid, motion of a perfect 1( 17- 118 



air. Professor Dewar's researches on 11 



earth, theories of '■i'^.i 



fuel, advantages of •'>88 



hydrogen, Professor Dewar on 1 .{1-142, U.'J 



Living beings, progress in study of !•>'"> 



organism, electrical phenomena of •5-'5> 



Locomotives, improvements in •'>5*''"' 



Lodge, Oliver, researches of !•♦•»• "'"* 



Long, John D., member of Establishment 'x. - 



Longstaff, L. W. , aids Antarctic exploration •!-'> 



Lope, D. Yergara, memoir by " 



Lord, Edwin C. E., papers by ^" 



Lorenz, H. A., researches by '""' 



Lov^n, C, investigations by ^'^J' 



Low temperature, researches in ^■^< '||'* 



Lucas, Frederic A., on the truth about the mannnoth 35.-{-.'$.V.» 



impers bv <9, 80 



Luminous rays, study ot __^ 



Lummer, L, on light and its artificial proiUictiun " 



Lummer and Pringsheim, memoir by ■• -i •!«]} 



Lydekker, R. , on mammoth ivory ''' "''*''' 



