DERBY 



41 



DERBY, O. A.: Notes on certain schists of the gold and diamond regions of 

 eastern Minas Geraes, Brazil. Amer. Jour. Sci., X, 207-216. New Haven, 

 1900. 

 DERBY, O. A.: (On the manganese ores of Brazil), pp. 32-37 of the separate 

 of the article by H. K. Scott on the same subject. London, 1900. See 

 Scott, H. K. 

 DERBY, O. A.: The supposed Tertiary sea of southern Brazil. Science, XIII, 



348-9. New York, March 1, 1901. 

 DERBY, O. A.: On the manganese ore deposits of the Queluz (Lafayette) 

 District, Minas Geraes, Brazil. Amer. Jour. Sci., XII, 18-32. New Haven, 

 July, 1901. 

 DERBY, O. A.: On the mode of occurrence of Topaz near Ouro Preto, Brazil. 

 Amer. Jour. Sci., 4th ser., XI, 25-34. New Haven, Jan., 1901. Abstract: 

 Review American Chemical Research, VII, 73. Abstract: Zeitschrift filr 

 Krystallographie und Mineralogie (Groth), XXXVII, 71. Leipzig, 1902. 

 DERBY, O. A.: Os primeiros descobrimentos de ouro em Minas Geraes. Re- 

 vista do Institute Historico e Geographico de Sao Paulo, V, 240-278. S. 

 Paulo, 1901. Also in Est ado de Sao Paulo, Sept. 24, 25; Nov. 9, 10, 26, 

 1900. 

 DERBY, O. A.: Os primeiros descobrimentos de ouro nos districtos de Sahara 

 e Caethe. Revista do Institute Historico e Geographico de Sao Paulo, V, 

 279-295. S. Paulo, 1901. 

 DERBY, O. A.: Notes on Brazilian gold ores. Trans. Amer. Inst. Min. Engi- 

 neers, May, 1902, XXXIII, 282-288. Separate (6 pp.). New York, 1902. 

 Republished in Engineering and Alining Journal, LXXIV, 142-143, Aug. 2, 

 1902. Zeitschrift fur Praktische Geologie, XI, 111-113, 1903. Abstract: 

 Neues Jahrbuch fur Mineralogie, 411, 1904. 

 DERBY, O. A.: On the occurrence of monazite in iron ore and in graphite. 



Amer. Jour. Science, CLXIII, 211-212. March, 1902. 

 DERBY, O. A.: v. HARTT, CH. F. 

 DERBY, O. A.: As madeiras petrificadas do Estado de Sao Paulo. Almanach 



Melillo para 1904, 150-151. Sao Paulo, 1903. 

 DERBY, O. A.: Review of Branner's "Stone reefs of Brazil." Science, XXI, 

 738-740, May 12, 1905. Also in Jorual do Commercio. Rio de Janeiro, 

 April 15, 1905, and Diario de Pernambuco, 3 de Maio, 1905. 

 DERBY, O. A.: As lavras diamantinas da Bahia. Um relatorio apresentado 

 ao Secretario de Agricultura do Estado da Bahia, 23 de Maio de 1905. 

 Diario dc Bahia, 1 e 3 de Junho de 1905 Translated by J. C. Brainier 

 and published in Economic Geology Nov.-Dec, 1905, I, No. 2, 134-142, 

 under the title, "The geology of the diamond and carbonado washings of 

 Bahia, Brazil." This was published in part in the Mining Magazine, 

 XIII, 153-155. Feb., 1906. Abstract : Mineral Resources of the U. S. for 

 1905, 1330-1332. Washington, 1906. 

 DERBY, O. A.: Um fossil interessante do Museo Nacional (Psaronius brasili- 

 etisis). Jornal do Commercio, Rio de Janeiro, March 14, 1905. Also 

 Diario de Noticias (da Bahia), March 23, 1905. (Results of Salm-Laubach 

 in re Psaronius brasiliensis.) 

 DERBY, O. A.: A niinha exoneragao. O Commercio de Sao Paulo, de Fev. 3e 



de Fev. 4, 1905. 

 DERBY, O. A.: Um mappa interessante (de Sao Paulo, feito pelo Coronel 

 Joao da Costa Ferreira no anno 1811.) Estado de Sao Paulo, de Fev. 20 

 de 1905. Sao Paulo. 

 DERBY, O. A.: Manganese deposits of Nazareth, Brazil. Abstract: So headed 

 in Engineering and Mining Journal, LXXX, 697, Oct. 14, 1905. This 

 refers to the March Bulletin of the Dept. of Agriculture of the State of 

 Bahia. 

 DERBY, O. A.: O Manganez em Nazareth. Boletim da Secretaria de Agricul- 

 tura, etc., do Estado da Bahia. V, 62-65. Jan.-Mar., Bahia, 1905. 



