108 INDEX TO THE LITERATURE OF THORIUM. 



1901 : 912. . Die neuen Tabellen der Atomgewichte. 



Ztschr. physikal. chem. unterricht., 1901, 14, 119-121. 

 1901 : 913. . Becquerel-und Rontgenstrahlen. 



Ztschr. physikal. chem. unterricht., 1901, 14, 232-237. 



1901 : 914. Rutherford. Emanationen. 



Phys. Ztschr., 1900-1901, 2,429; Ztschr. physikal. chem. unterricht., 

 1901, 14, 357-358; Naturw. Rundschau., 1901, 16, 343-344. 



1901 : 915. . Bibliography of Sjiectroscopy. Report of the 



Committee, consisting of Prof. H. McLeod (Chairman), Sir W. C. 

 Roberts-Austen (Secretary), Mr. H. G. Madan, and Mr. D. H. 



Nagel. 



Brit. Assoc. Adv. Sci., 1901, 155-208. 



1901 : 916. Caspar:. The new Radio-active Substances. 



Am. Chem. J., 1901, 25, 77-80; S. of M. Quar., 1902, 24, 105. 



1901 : 917. Besson. Les nouveaux metaux, Polonium, Radium et 

 Actinium. 



Memoires et Compte rendu des travaux de la Societe des Ingenieurs 

 Civils de France, 1901, 1, 459-470, 554-557, 677; Eng. and Min- 

 Jour., 1901, 71, 726; J. Soc. Chem. Ind., 1901, 20, 845; Revue Sci., 



1901, [4], 15, 761-762; Klectricien, Paris, 1901, ; Berg.u. H. 



Ztg., 1901, 60, n. s. 55, 426-427. 



1901 : 918. Erdmann. Ueber den gegenwiirtigen Stand der Atomge- 

 wichtsfrage. 



Ztschr. angew. Chem., 1901, 14, 841-843; Chem. Centrbl., 1901, 72, 

 II, 721. 



1901: 919. Smith. Vanadium, its extraction and uses. 



J. Soc. Chem. Ind., 1901, 20, lleS3-1188, 1217; Chem. Centrhl, 1902, 

 73, I, 346-347. 



1901 : 920. Note. • Zur Berechnung der Atomgewichte. 

 Ztschr. angew. Chem., 1901, 14, 182-184. 



1901 : 921. Brauner. On tlie place of hydrogen in the periodic 

 system. 



Chem. News, 1901, 84, 233-234; Chem. Centrbl., 1902, 73, I. 12-13. 



1901 : 922. Steele. The place of the rare earth metals among the 

 elements. 



Chem. News, 1901. 84, 245-247; J. Chem. Soc. Lond., 1902, 82,2, 

 79; Chem. Centrbl., 1902, 73, I, 15-16. 



1901: 923. Norton. The Action of Sodium Thiosulphate on Solutions 

 of Metallic Salts at High Temperatures and Pressures. 



Am. J. Sci., 1901, [4,] 12, 115-122; Chem. News, 1901, 84, 254-255, 

 261-262; J. Soc. Chem. Ind., 1902, 21, 51. 



