116 TNDKX TO THE LITERATURE OF THORIUM. 



1901: 1008. Richards. A Table of Atomic Weights of Seventy-seven 

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 Proc. Am. Acad. Arts and Sci., 1900-1901, 36, 544-545 ; J. Am. Chem. 

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 Ztschr. physikal. Chem., 1902, 40, 109. 



1901 : 1009. Note. Discovery of rare earths. 

 Progressive Age, 1901, 19, 443. 



1901 : 1010. Weiss. Lecture on use of gas in Welsbach's and com- 

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Progressive Age, 1901, 19, 443. 



1901 : 1011. Bailey. Development of the Incandescent Gas Lighting 

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Progressive Age, 1901, 19, 523, 524-525 ; 1902, 20, 3. 



1901: 1012. . Reportof the International Committee on Atomic 



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J. Chem. Soc. Lond., 1902, 82, 1, i-iv. 



1901 : 1013. Rasch. Ein neues Verfahren zur Erzeugung von elektris- 

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Elektrotechn. Ztschr., 1901, 22, 1.55-157; Science Abstracts, 1901, 4, 

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1901 : 1014. WvHOUBOFF. Recherclies sur les solutions. 



Bull. soc. frant?. min., 1901, 24, .36-71 ; Beibl. Ann. der Phys., 1901, 

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1901 : 1015. KopPEL. Die Chemie des Thoriums. Berlin. 



112 Seiten (Seite 303-414 des 6. Bandes der Sammlung Chemischer 

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1901 : 1016. Rutherford and Allen. Excited Radioactivity and 

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Communicated to the American Physical Soc. Dec. 27, 1901. 



1902 : 1017. Moissan. Die Metallcarbide. 



Ztschr. Elektrochem., 1902,8,44-48 ; Am. J, Sci., 1902, [4], 13,238-240. 



1902: 1018. Curie and Curie. Sur les corps radioactifs. 



C. R., 1902, 134, 85-87 ; J. Chem. Soc. Lond., 1902, 82, 2, 190; Chem. 

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1902: 1019. Hillebrand. The Composition of Yttrialite, with a criti- 

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Am. J. Sci., 1902, [4], 13, 145-152; J. Chem. Soc. Lond., 1902, 82, 2, 

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