"22 INDEX TO THE LITERATURE OF THORIUM. 



Kammelsherg's Min. Chem., 1875, 2d ed., ;]68-370; Dana's Min., 

 1874, 5th ed.,512, 521, 522; Jsb. Chem., 1806,946; Roy. Soc. C. 

 Sci. Papers, 1877, 7, 390. 

 186G: 128. Herma.nn. Bemerkiingen zli Marignac's Untersuchungen 

 ul)er Niobium unci Ilmeniuin. 



Biill. soc. imp. Moscou, 1866, 39, pte. 1,598-613; 1867, 40, pte. 1, 

 545-553; J. prakt. Chem., 186(), 99, 21-33; 1866, 102, 399-405; 

 Jsb. Chem., 1866, 207; 1867, 209-210; Roy. Soc. C. 8ci. Papers, 

 1877, 7, 960. 



18G6: 129. Newlands. The Law of Octaves and the Causes of Nu- 

 merical Relations among the Atomic Weights. 



Proc. Chem. Soc. Loud., 1866, .507, 514; Chem News, 1866, 13, 113, 

 130. 



1866- 180. Hermann. Fortgesetzte Untersuchungen iiber Ilmenium 

 und Aeschynit. 



Bull. soc. imp. Moscou, 1866, 39, pte. 2, 291-306; J. prakt. Chem., 



1866, 99, 279-290; Ztsclir. Chem., 1867, 124-125; Dana's Min., 1874, 

 5th ed., 512, -522; Jsb. Chem., 1866, 207-208, 945-946; Roy. Soc. C. 

 Sci. Papers, 1877, 7, 960. 



1866: 181. Hermann. Ueber die Zusammensetzung des Ihnenorutils. 



Bull. soc. imp. Moscou, 1866, 39, jite. 2, 551-558; J. prakt. Chem., 



1867, 100, 100-105; Bull, soc chim. Paris, 1867, (2), 8, 42; Jsb. 

 Chem., 1867, 997; Roy. Soc. C. Sci. Papers, 1877. 7, 960. 



1867: 132. Makignac. Essais sur la separation de I'acide niobique 

 et de I'acide titanique. "Analyse de I'aeHchynite." 



Arch. sci. phys., 1867, 29, 265-291 ; J. prakt. Chem., 1867, 102, 448- 

 454: Ztschr. Chem., 1867, 10, 721-726; Bull. soc. chim. Paris, 1867, 

 (2), 8, 178-181; Ztschr. anal. Chem., 18()8, 7, 104-106; Ann. chim. 

 phys., 1868 [4], 13, 5-29; Rammels])erg's Min. Chem., 1875, 2d ed., 

 370; 1886, Erganz., I, 2-3 ; 1895, ZweitesSuppl., 180; Gmelin-Kraut, 

 Handb. anorg. Chem'ie, 1897, 2'\ (j2; Dana's Min., 1874, 5th ed., 

 793, Suppl. ; Jsb. Chem., 1867, 210-215, 833, 998. 



1867 : 133. Websky. Ueber Sarkopsid und Kochelit, zwei neue Min- 

 eral aus Schlesien. 



Ztschr. deut. geol. ges., 1867, 20, 245-257; Jahrb. Min., 1868,606- 

 608; Rammelsberg's Min. Chem., 1875, 2d ed., .308-309, 366; Dana's 

 Min., 1874, 5th ed., Appendix, 8; Jsb. Chem., 1868, 1013-1014. 



1867 : 134. Arppe. Minnes-tal ofver Nils Gustaf Nordenskiold. 



Acta Societatis Scientiarum Fennic?e, 1867, 8, pt. 2, 1-30, with notes, 

 31-35. 



1867 : 185. Damour. A letter to Dana, April 20, 1867, pointing out 

 the absence of thoria in tcheffkinite. 



(See Dana's Min., 1874, .5th ed., .387-388.) 



