90 INDEX TO THE LITERATURE OF THORIUM. 



1899: 742. Kauffm.\nn. Zur kenntnis einiger neuer Thoriumsalze. 

 Inaugural Dissertation, Rostock, 189D. 



1899: 7-43. Truchot. L'Eclairage jI Incandescence par le Gaz et les 

 liquides gazeifies analyse par M. M. Guichard (a review of Trii- 

 chot's book). 



Revue Gen. Sci., 1899,10, 677; Revue Sci., 1899, [4], 12, 114-115; 

 Nature, 1899, 60, 517; J. Gasbel., 1899, 383, 567. 



1899 : 744. Editorial note. Les rayons de Becquerel et les corps 

 nouveaux. 



Revue Gen. Sci., 1899, 10, 890-892; Beibi. Ann. der Phys., 1900, 24, 

 324-325. 



1899: 745. Notice. (Auer electric incandescent lamp.) 



J. Gasbel., 1899, 42, 535; Revue Sci., 1899, [4], 12, 190. 



1899: 746. Crookes. Sur la source de Tenergie dans les corps radio- 

 actifs. 



C. R., 1899, 128, 176-178; Am. J. Sci., 1899, [4], 7, 472; Fortschr. 

 Phys., 1899, SS'^, 95; Science Abstracts, 1899, 2, 223. 



1899: 747. Guichard. La chimie des terres rares. 

 Revue Gen. Sci., 1899, 10, 494-495. 



1899: 748. Behrendsen. Beitriigezur kenntniss der Becquerelstrahlen. 

 Ann. der Phys. Wied., 1S99, 69, 220-235; Ztsclir. Kryst., 1901,35, 

 195-196; Jahrb. Erfind., 1900, 36, 211-213; Science Abstracts, 1899, 

 2, 825. 



1899 : .749. Meykr and Schweidler. Uber das Verhalten von Radium 

 und Polonium im magnetischen Felde. 



Wien. Akad. Anz., 1899, 351 ; Naturw. Rundschau, 1899, 15, 78-79; 

 Piiys. Ztschr., 1900, 1, 90-91, 113-114; Science Abstracts, 1900, 3, 

 693-694. 



1899: 750. Note. Monazite. 



Mining and Scientific Press, 1899, 79, 171. 



1899: 751. Note. Monazite. 



Mining and Scientific Press, 1899, 79, 403. 



1899 : 752. Rutherford and Owe.ns. Thorium and Uranium Radiation. 



Trans, of the Royal Soc. of Canada, 1899, (2°), vol. 5, sec. Ill, 9-12, 



and Proceedings, p. cxxviii; Beibl. Ann. der Phys., 1901, 25, 156- 



157 ; 1901, 25, 13 Lit. Uebers. ; Fortschr. Phys., 1900, 56-, 109-110. 



1899: 753. Dawson and Williams. On the determination of transition 

 temperatures. 



Chem. Soc.Lond.Proc, 1899,15, 210-211; Chem. Centrbl., 1900, 1, 86. 



