INDEX. 



787 



Dul)ut, Sulyintendaiit, tortured by Chinese ^^34 



Duu;gtir, B. M., at Naples station \. 



Dugniore, A. Radclyffe, animal photographs by 91 



character study of outlaw 1 K-axci- by 517 



nature pictures by r)07-515 



Dulong and Petit, chemical law of 242 



Dumas, Jean Baptiste Andree, cited 247 



Dust particles, study of, by Barns ] 1 



Dynamo, electric, introduction of ;^39 



machines and motors, develojtment of ;^:i8 



E. 



Eagle in flight, description of 209 



Earth, age of, for life 480 



Le C'Onte on 277 



SoUas on 298 



critical periods in history of 281 



Chinese and Japanese myth of formation ()f 577 



crust, oscillatory movements of 275 



temperature of 295 



depth of crust of - - 297 



early hist( )ry of 291 



ecjuatorial diameter of , 136 



formation, theory of -''•N -"•! 



mean density of - l-'^" 



Easter Island images, account of ^ ^'■' 



Eddy, William A. , kite observations ]jy -24 



Edison, T. A. , electric traction experiments by "^ 



Edison's incandescent electri(! lamp, history of ■^+1 



Egyptian steelyards " 



Electrical resistance, standards of 



standards, bureau of "^^ 



vibrations, dissociation by '^'^ 



Electric alternating current transformer "^"^ 



Electric-arc, Davy's experiments with " " 



furnaces at Niagara - "^"^ 



lamp, history of ' "1 



automobiles, introduction of ' 



conductivity of salt solutions ~ ' 



current, c-,hemical energy of ]^^ 



dynamo, development of " " ' ' " 



Electricity, alternating currents of - - [^'.^^ 



atmospheric, at various heights •{•{S-r S 



during the 19th century, Thomson on • • • ;^;^ 



mechanical enei-gy converted to ' ~l 



Mendenhall on progress in ]^^^ 



nature of, Thomson on '.^^^ 



Electric-lighting apparatus, history of ...^^^ ;..^_ 



development of " ' .^^,j 



locomotives, introduction of .,^^ 



toy, used in 1850 !,^,j 



Electric-motor cars, introduction of. ;,;.: ., ^^^ ..^^. 



development of 



