78 INDEX TO THE LITERATURE OF THORIUM. 



1898 : 618. Elster and Geitel. Versuche an Becquerelstrahlen. 



Ann. der Pliys. Wied., 1898, 66, 735-740; Ztschr. physikal. cliem. 

 unterricht, 1899, 12, 296-297; Naturw. Rundschau., 1S99, 14, 96; 

 Jahrb. Erfind., 1898, 35, 201-202 ; Fortschr. Phys., 1898, 54\ 80-81 ; 

 Cheni. Centrbl., 1899, 70, I, 4-5; Science Abstracts, 1899, 2, 101. 



1898: 619. Wyrouboff and Verneuil. Sur les oxydes condenses des 

 terres rares. 



C. R., 1898,127, 863-866; J. Chem. Soc. Lond., 1899, 76, 2, 224-225; 

 J. Soc. Chem. Ind., 1899, 18, 64; J. de pharm., 1899, [6], 9, 37; 

 Monit. Sci. Quesneville, 1899, [4], 13, 1, 75; Ztsclir. anorgan. 

 Chem., 1899, 20, 390 ; Chem. Ztg., 1898, 22, 1049; Jahrbuch Chem., 



1898, 8, 80;X:;hem. Centrbl., 1899, 70, I, 14-15; Rep. tech.jour.- 

 lit, 1898, 20, 658. 



1898: 620. Auer von We:lsbach. Der Herstellnng von Gliihkorpern. 

 Elektrotechnischer Anzeiger, 1898,845; Dingl.Pol. J.,1899,311, 94-95. 



1898: 621. Curie, Curie, and Bemont. Sur une nouvelle substance 

 fortement radio-active, contenue dans la pechblende. 



C. R., 1898, 127, 1215-1217; Monit. Sci. Quesneville, 1899, [4], 13, 1, 

 157; J. Chem. Soc. Lond., 1900, 78, 2, 82-83; Revue Gen. Sci., 

 1899,10,333,368; Chem. News,. 1899, 79, 1-2; Ztschr. physikal. 

 chem. unterricht., 1899, 12, 295; Scientific American, 1899, 80, 60; 

 J. de pharm., 1899, [6], 9, 180-182; Berg. u. H. Ztg., 1899, 58, n. s. 

 53, 341 ; Chem. Ztg., 1899, 23, 24; Am. J. Sci., 1899, [4], 8, 159- 

 160; Jahrb. Erfind., 1900, 36, 204-206; Naturw. Rundschau., 1899, 

 14, 91-92; Nature, 1898-1899, 59, 232; Beibl. Ann. der Phys., 



1899, 23, 195; Fortschr. Phys., 1898, 54^ 80; Chem. Centrbl., 1900, 

 71, I, 3-4; Science Abstracts, 1899, 2, 280; Rep. tech. jour.-lit., 



1898, 20, 112; 1898, 21, 216. 



1898 : 622. Clarke. Sixth Annual Report of the Committee on Atomic 

 Weights. Results published during 1898. 



J. Am. Chem. Soc, 1899, 21, 200-214; 1899, 21, in Review of Am. 

 Chem. Research, 1899, 5, 44; Chem. News, 1899, 79, 195-198, 206- 

 208; Ztschr. physikal. Chem., 1901, 36, 120-121; Beibl. Ann. der 

 Phys., 1899, 23, 315-316; Fortschr. Phys., 1899, 55^, 127-131 ; Rep. 

 tech. jour.-lit., 1899, 21, 116. 



1898 : 623. Landolt, Ostwald, Seubert. Bericht der Kommission fiir 

 die Festsetzung der Atomgewichte. 



Ber., 1898, 31, 2761-2768; J. Chem. Soc. Lond., 1899, 76, 2, 86-87; 

 Chem. News., 1899, 79, 207-208; Am. Chem. J., 1899, 21, 455-457 ; 

 J. Am. Chem. Soc, 1899, 21, 200-214; Ztschr. anal. Chem., 1899, 

 38, 138-140; Ztschr. angew. Chem., 1898, 1148; 1899, 57-60; Jahr- 

 buch Chem. 1898, 8, 65-66; J. Gasbel., 1899, 42, 80-81; Science, 



1899, 9, 23-24; Ztschr. anorgan. Chem., 1899, 20,142; Revue Sci., 

 1899, [4], 11, 151; Chem. Ztg., 1898, 22, 43, 1031 ; Analyst, 1899, 

 24, 82-83 ; Wagner's Jsb., 1898, 44, 437-439 ; Fortschr. Phys., 1898, 

 54\ 144-146; Chem. Centrbl., 1899, 70, I, 1-2; Beibl. Ann. der 

 Phys., 1899, 23, 69-71 ; Rep. tech. jour.-lit., 1898, 20, 102. 



