70 INDEX TO THE LITERATURE OF THORIUM. 



1897 : 550. Holmquist. Synthetische Studien iiber die Perowskit und 

 Pyrochlorniineralien. 



Bnll. Geol. Inst. Upsala, 1897, 3, No. 5, 181^-262; Inaugural Disserta- 

 tion, Upsala, 1897, pp. 88, and 3 ))lates ; J. Cliem. Soc. Lond., 1898, 

 74,2,388-389; Ztschr. anorgan. Chem., 1898, 18, 84-85; Jahrb. 

 Min., 1898, 2, 399-409; Ztsclir. Kryst, 1898-1899, 31, 305-309; 

 Fortschr. Pliys., 1898, 54i, 302-303; Chem. Centrbl., 1898,69,11, 

 1068. 



1897:551. Ukbain. L'acetylacetonate d'uninyle ainsi que des acety- 

 lacetonates des terres de la serie du Didyme. 

 Bull. soc. chim. Paris, 1897 [3], 17, 98. 



1897: 552. Von Knorre. Uber die Bestimmung des Cers bei Gegen- 

 wart von seltenen Erden. 



Ztschr. angew. Chem., 1897, 685-688, 717-725; J. Soc. Chem. Ind., 

 1898, 68, 72, 443, 491-492; J. Chem. Soc. Lond., 1898, 74, 2, 311 ; 

 Ztschr. anorgan. Chem., 1898, 18, 402 Ref. ; Monit. Sci. Quesne- 

 ville, 1898, [4], 12, 2, 592-593; Analyst, 1898, 23, 191; J. Gasbel., 



1898, 41, 199; Chem. Centrbl., 1897, 68, II, 1158; 1898, 69, 1, 142- 

 144; Jsb. Chem., 1897, 1034-1035. 



1897 : 553. Shapleigh. Notes on Lucium. 



J. Frankl. Inst., 1897, 144, 68-70; Chem. News, 1897, 76, 41 ; Ztschr. 

 anorgan. Chem., 1898, 18, 217 Ref. ; Fortschr. Phys., 1897, 53i, 12:3- 

 124; Chem. Centrbl, 1897, 68, II, 468; Jsb. Chem., 1897, 1042; 

 Rep. tech. jour.-lit., 1897, 19, 397. 



1897 : 554. Rydbehg. Studien iiber die Atomgewichtszahlen. 



Ztschr. anorgan. Chem., 1897, 14, 66-102; Chem. Centrbl., 1897, 68, 1, 

 676-677; Jsb. Chem., 1897, 9-10. 



1897 : 555. Maratta. Discovery of Zircons in Tasmania. 



U. S. Consular Rep., 1897, 53, No. 198, 364-367; J. Soc. Chen,. Ind., 

 1897, 367. 



1897 : 556. Wyrouboff and Verneuil. Sur I'unite elementaire du 

 corps ai)pele cerium. 



C. R., 1897, 125, 950-951; J. Chem. Soc. Lond., 18§8, 74,2,222; 

 Ztschr. anorgan. Chem., 1899, 19, 368; Chem. Centrbl., 1898, 69, 

 1, 235; Jsb. Chem., 1897, 1032. 



1897 : 557. Boudouard. Sur le cerium. 



C. R., 1897, 125, 1096-1097; J. Chem Soc. Lond., 1898, 74, 2, 294; 

 Monit. Sci. Quesneville, 1898, [4], 12, 1,73; Ztschr. anorgan. Chem., 



1899, 19, 368; Bull. soc. chim. Paris, 1898 (3), 19, 59-64; Chem. 

 Centrbl., 1898, 69, 1, 235; Jsb. Chem., 1897, 1032; Rep. tech. jour.- 

 lit, 1898, 20, 102. 



1897 : 558. Wyrouboff and Verneuil. Sur le poid atomique du 

 cerium. 



C. R., 1897, 125, 1180-1181 ; J. Chem. Soc. Lond., 1898, 74, 2, 294; 

 Ztschr. anorgan. Chem., 1899, 19, 368; Chem. Centrbl., 1898, 69, 1, 

 311;. Jsb. Chem., 1897, 1032-1033; Rep. tech. jour.-lit., 1897, 19, 

 397. 



