INDEX. 757 



Teleplione, invention of ...,,> "f?". 



, . i.ill, .>4J 



suboceanic .. ,., 



Telescopes, increased size of '. .," 



progressive improvements in j2(j 



Temperature, observations with kites 2'>4 



ocean, in Arctic 454 5Q5 



in Tropics 5Q5 



of earth's crust 2«)4 3Q7 



low, Dewar experiments in l.'59-2f>4 



low, researches in I^IO 



study of 41 ] 



terrestrial, and sun-spots 1 45 



Tesla, Nikola, on message from Mars 1 72 



Thermodynamics, researches in X 1 



Thermometry, investigations in 4 1 (j 



Thomas, Cyrus, Indian studies by (;i>, 70 



Thompson, Benjamin, researches by L':;r>, :{ 1 (i 



Thompson, Sylvanus, on wireless telegraphy 113 



Thomson, Elihu, on electricity in the nineteenth century ;i:i;H-:V»8 



Thomson- Houston Company, organization of :{47 



Thomson, J. J. , researches by '.i'.i\, H7S, .'174 



Thomson, Julius, chemical researches by 254 



Thomson, Thomas, chemical studies by 2."J8 



Thoria mantles, introduction of -'Wg 



Thought transference, experiments in - 'wS 



Thoulet, W. J., paper by 114 



Thunder Peak Pagoda, romance of •"'!"> 



Tibet, balances from •'''4 



explorations in ■*21> 



Toepler's experiments with sound waves •■'•''■^ 



Townsend, C. H. , on Albatross expedition r,-2,n5 



Trade with China, advantages of ^^^ 



Tricerotops, method of restoration of ^^'^ 



probable color of ^^]_ 



Trolley cars, invented by Van Depoele •^■*' 



True, A. C, member of graduate study committee ^ ^n 



reports by xx. vv_n 



True, F. W., representative at Buffalo Exposition ^^ 



studies in Newfoundland by '^^ 



Trumbull, James Hammond ' 



dictionary of Natick languages by -^^ 



»ilO 

 Tsai, Prince, treachery «t ^.^. 



Tyndall, John, a great man of science ^_^_^ 



Typhoid fever, prevention of 



U. 



Underground conduit railways, introduction of ^^_^ 



Uniformitarianism, discussion of S71-385 



Unsuspected radiations, Prince Kropotkm on y. ' ' ^ ! ' 372 



Uranium rays, discovery of 3,'<0 



researches in ^.j- 



Uranus, discovery of 



