INDKX T(» TJiK i.rii;i;ATri;K of Tii(n;ir>r. 89 



40; Prometheus, 1899,10,380; riiarm. Centralh., 1899, 40,480- 

 482; Am. Electr., 1899, 11, 180; Arch. Post., 1899, 872-873; Ann. 

 tel.,1899, 25, 180-186; Diiigl. j)ol. J., 1899, 312, 197-199 ; J. Gashel., 

 1899, 42, :j()2-.S<)4; Ztschr. Oest. liig. V., 1,S!)«), 51, 362-3(i3; Central 

 Z. Leipzig, 1S99, 20, 105-100 F. ; Eiektrotechnisdier Anzeiger, 1899, 



16, 1109-1111; Dampf., 1S99, 16,595-59(5, F. ; Ztschr. Beleiiclit., 

 1899, 5, lSl-182; Z. Arcli., 1899, 45, 345-347; Polyt. Centrl)!., 1899, 

 60, 211-213; Fortsclir. Phys., 1899, 55^, 771; Rep. teeli. jour. -lit., 

 1899, 21, 60. 



1899 : 735. Wyuouboff and Vekneuil. Siir les oxydes condenses des 

 terres rares. 



Bull. soc. chim. Pari.s, 1S<)9, [3], 21, 118-143; Chem. News, 1899,80, 

 35; Ztschr. aiiorgaii. Cliem., 1899, 20, 390; Chem. Centrbl., 1899, 

 70, I, 726; Rep. tecli. jour.-lit., 1899, 21, 711. 



1899: 736. IIintz. (Lighting ifower of mantles.) 



Journal des Usines :i Gaz, 1899, January 20; Progressive Age, 1899, 



17, 97. 



1899: 737. Prior. Minerals from Swaziland ; Niobatcs and Titanates 

 of the rare earths, chemically allied to Enxeniteand Fergusonite, 

 Cassiterite, Monazite, &c. The Aeschynite from Hittero. 



Min. Mag., 1899, 12, 96-101 ; J. Chem. Soc. Loud., 1899, 76, 2, 432- 

 433; Jahrb. Min., 1901, 93, I, 31 ; Ztschr. Kryst., 1899-1900, 32, 

 279-280; Chem. Centrbl., 1900, 71, I, 622. 



1899: 738. Campbell-Swinton. On the Luminosity of the Rare Earths 

 when heated in vacuo by means of Cathode Kays. 



Roy. Soc. Loud. Proc, 1899, 65, 115-119; Revue Gen. Sci., 1899, 10, 

 459; Naturw. Rundschau, 1899, 14,503-504; J. Gas L., 1899, 73, 2, 

 174:^-1744 ; J. Phys., 1900, [3], 9, 297-298 ; Progressive Age, 1899, 17, 

 .301 ; The Electrician., London, 1899, 43, 372-374 ; El. Rev., London, 

 1899,44,915-916; Industries and Iron, London, 1899,26. 446-447; 

 J. Soc. Chem. Ind., 1899, 744; Electrotechnischer Anzeiger, 1899, 

 16, 1495-1496 F. ; Science Abstracts, 1899, 2, 742; Rep. tech. jour.- 

 lit., 1899, 21, 213-214. 



1899: 739. Dawson and Williams. Die Beiirteilung der Siittigung von 

 Losungen durch messung der Leitfiihigkeit. 



Ztschr. Elektrochem., 1899, 6, 141-144; Beibl. .Ann. <ler Phys., 1900, 

 24, 799; Ztschr. physikal. Chem., 1900, 33,379; Ciiem. Centrbl., 

 1899, 70, II, 692. 



1899:740. Note. Les .sables de Prado. 

 Cosmos, 1899, 40, 129-i;^0. 



1899: 741. Richards. A Table of Atomic Weights of 74 Elements. 



Proc. Amer. Acad. Arts ami Sci., 1899, 34, 619, 637, 6:^8 ; Cliem. News, 

 1900, 81, 113-114; Fortschr. Phys., 1899, 55', 131-132. 



