30 INDKX TO THE LlTKJtATURE OP THOKIUM. 



1877 : 192. Engstuom. Undersokning af nogra mineral som innehalla 

 sallsyuta jordarter. 



Inaugural dissertation, Upsala, 1877; Ztschr. Kryst, 1879, 3, 191-201; 

 Ber., 1877, 10, 1727; Chem. Centrbl., 1877, 776; Rammelsberg's 

 Min. Chem., 1886, Erganz., I, 87; 1895, Zweites Suppl., 305-306, 

 .307-.30S; Bull. soc. fran?. min., 1880, 4, 46; Jsb. Chem., 1879, 1207, 

 1209-1212, 1212, 1213, 1238. 



1877 : 193. Knop. Dysanalyt, ein pyrochlorartiges mineral. 



Ztschr. Kryst, 1877, 1, 284-296; Min. Mag., 1877, I, 186-187; Bull, 

 soc. fran^. min., 1878, 1, 53; Jahrb. Min., 1877, 647; Dana's Min., 

 1874,5th ed., Appendix 3, 40; Rammelsberg's Min. Chem., 1886, 

 Ergiinz., I, 82; Jsb. Chem., 1877, 1347-1348; Roy. Soc. C. Sci. Papers, 



1894, 10, 421. 



1877 : 194. Paijkull. Eukrasit, ett nytt mineral fran Brevig. 



Geol. Foren. forh., 1876-1877, [3], No. 12 (No. 40), 350-352; Ztschr. 

 Kryst, 1878, 2, 308-309; Min. Petr. Mitth., 1878, (2), 1, 81 ; Bull, 

 soc. frany. min., 1878, 1, 11 ; Jahrb. Min., 1878, 209-210 ; Jsb. rein. 

 Chem., 1878, 116; Rammelsberg's Min. Chem., 1886, Ergiinz., I, 90-91 ; 



1895, Zweites Suppl., 455 ; Dana's Min., 1874, 5tli ed.. Appendix III, 

 43-44; Jsb. Chem., 1878, 1272; Roy. Soc. C. Sci. Papers, 1894, 10, 

 982. 



1877: 195. Smith. Examination of American minerals. No. 6. — De- 

 scription of Columbic Acid Minerals from new localities in the 

 United States, embracing a reclamation for the restoration of the 

 name Columbium to the element now called Niobium. Descrip- 

 tion and analyses of Columl)ite, Samarskite, Euxenite, and Fer- 

 gusonite, and the new species Hatchettolite, and Rogersite. 



Am. J. Sci., 1877, (3), 13, 359-369; Ann. chim. phys., 1877, [5], 12, 



253-264; C. R., 1877, 84, 10.36-1038; Ztschr. Kryst, 1877, I, 499-502; 



Bull. soc. frany. min., 1878, 1, 52, 142; Jahrb. Min., 1877, 728-729 ; 



Min. Mag., 1877, I, 189-191; Gazzetta chim. italiana, 1877, 7,485; 



Rannnelsberg's Min. Chem., 1886, Ergiinz., I, 199-201 ; Smith, Orig. 



Researches in Min. and Chem., 193-204 ; Ber., 1877, 10, 1177 ; Chem. 



Centrbl., 1877, 408, 424, 742 ; Jsb. Chem., 1877, 288, 1342-1343 ; Roy. 



Soc. C. Sci. Papers, 1896, 11, 438. 



1877:196. Smith. On the Earthy Oxides of Samarskite. 

 Acad. Nat. Sciences, Phila., Proc. 1877, 3°, 7, 194. 



1878 : 197. Smith. A short account of the Nature of the Oxide of the 



New Element, Mosandrum. 



Amer. Assoc, for Adv. of Sci., Proc. 1878, 27, 143-147; Smith, Orig- 

 inal researches, 325-329 ; Roy. Soc. C. Sci. Papers, 1896, 11, 438. 



1878: 198. Smith. Note sur une nouvelle terre du groupe du cerium et 

 remarques sur une methode d 'analyse des columbates naturels. 

 Le mosandrum, un nouvel element. 



C. R., 1878, 87, 146-148; Arch. sci. phys., 1878, 63, 165-172; Pliil. 

 Mag., 1878 (5), 6, 238-240; Am. J. Sci., 1878, 16, .384; Chem. News, 



