40 BRANNER BIBLIOGRAPHY OF THE GEOLOGY OF BRAZIL 



DERBY, O. A.: Origem sedimentaria dos minerios de ferro. Revista Indus- 

 trial de Minas Geraes. Anno I, n. 7, 155-159. Ouro Preto, 15 de Abril, 

 1894. 



DERBY, O. A., and F. W. DAFERT: On the separation of minerals of high 

 specific gravity. Proceedings of the Rochester Academy of Science, vol. 2, 

 122-123. Rochester, N. Y., 1893. 



DERBY, O. A.: The Amazonian Upper Carboniferous fauna. Journal of 

 Geology, II, No. 5, 480-501. Chicago, 1894. 



DERBY, O. A.: Investigates geologicas do Brazil. Revista Brazileira, II, 

 140-157. Rio de Janeiro, Maio, 1895. Also as appendix to "Resuino de 

 Geologia," por A. de Lapparent. Traduzido da 3a edigao pelo Dr. B. F. 

 Ramiz Galvao, 312-333. Rio de Janeiro. 



DERBY, ORVILLE A.: Nota sobre a geologia e paleontologia de Matto Grosso. 

 Archivos do Museu Nacional do Rio de Janeiro, IX, 59-88. Rio de Janeiro, 

 189G. (Portuguese and English.) 



DERBY, O. A.: Estudo sobre o meteorite de Bendego. (Portuguese and 

 English.) Revista do Museu Nacwnal do Rio de Janeiro, I, 89-184. Rio 

 de Janeiro, 1896. Abstract: Am. Jour. Sci,, 4th series, IV (CLIV), 159- 

 160. Abstract: Neues Jahrbuch fur Mineralogie, 1898, II, 27-28. (Ref- 

 erate.) Abstract: Zeitschrift fiir Krystallographie und Mineralogie 

 (Groth), XXX, 397-398. Leipzig, 1899. 



DERBY, ORVILLE A.: Decomposition of rocks in Brazil. Journal of Geology, 

 IV, 529-540. Chicago, 1896. 



DERBY, O. A.: Letter regarding the Cretaceous and Tertiary of Brazil, ad- 

 dressed to G. D. Harris (1896). See Harris, G. D. 



DERBY, O. A.: Review of Branner's "Decomposition of rocks in Brazil." 

 Revista Brazileira, VII, 132-140. Rio de Janeiro, 1896. 



DERBY, O. A.: Monazite and xenotime in European rocks. Mineral Mag. and 

 Journal Miner alogical Soc, XI, 304-310. London, Dec, 1897. 



DERBY, O. A.: Trabalhos restantes ineditos da Commissao Geologica do 

 Brazil, 1875-1878. Boletim do Museu Paraense, II, no. 2. Para, 1897-8. 

 Abstract: Petermann's Mittheilungen, Lit., 208, 1898. I, A ilha de Maraj6, 

 II, No. 2, 163-173 ; IV, Reconhecimento do Rio Maecuru, II, No. 2, 192-204 ; 

 VI, A Serra de Maxira, II, No. 3, 340-343; VII, A Serra de Tajuri, II, 

 No. 3, 344-351 ; X, O Rio Trombetas, No. 3, 366-382. 



DERBY, O. A.: Bendig6, the great Brazilian meteorite. Extracts from articles 

 by Mr. Derby published in The Brazilian Bulletin, Organ of Mackenzie 

 College, Sao Paulo, Brazil, I, No. I, 30-32. June, 1898. 



DERBY, O. A.: On the accessory elements of Itacolumite and the secondary 

 enlargement of tourmaline. Amer. Jour. Sci., 4th series, V (CLV), 187- 

 192. New Haven, 1898. Abstract: Zeitschrift fiir Krystallographie und 

 Mineralogie (Groth), XXXII, 591. Leipzig, 1900. 



DERBY, O. A.: Brazilian evidence on the genesis of the diamond. Journal of 

 Geology, VI, 121-146. Chicago, 1898. Abstract: Brazilian Bulletin, I, No. 

 2, 65-67. Sept., 1898. One half tone of diamond washing. Notice : Zeitsch. 

 fiir Praktische Geologic, 213-217. Juin, 1899. Abstract: Zeitschrift fiir 

 Krystallographie und Mineralogie (Groth), XXXII, 603. Leipzig, 1900. 



DERBY, O. A.: On the association of argillaceous rocks with quartz veins in 

 the region of Diamantina, Brazil. American Jour. Sci., 4th series, VII 

 (CLVII), 343-356. New Haven, 1899. Abstract: Neues Jahrb. fiir Min- 

 eral., I, 412-413, 1901. Abstract: Zeitschrift fiir Krystallographie und 

 Mineralogie (Groth), XXXIV, 101. Leipzig, 1901. 



DERBY, O. A.: (Manganese in Brazil.) Twentieth annual report of the U. S. 

 Geol. Survey, part VI, 140-142. Washington, 1899. 



DERBY, O. A.: Notes on monazite. Amer. Jour. ScL, X, 217-221. New Haven, 

 1900. Abstract: Zeitschrift fiir Krystallographie und Mineralogie (Groth), 

 XXXVI; 69. Leipzig, 1902. 



