L. V. Pirsson — Rise of Petrology as a Science. 239 



Wright, 22, 224-230, 1906. 

 Fermer, 29, 217-234, 1910. 

 Bowen, 39, 175-191; 40, 161-185, 1915. 

 Pirsson, 50, 116-121, 1895; 7, 271-280, 1899. 

 Smyth, 36, 33-46, 1913. 

 Murgoci, 20, 133-145, 1905. 

 Barrell, 13, 279-296, 1902. 

 Lindgren, 3, 301-314, 1897; 9, 269-282, 1900. 

 Eansome, 5, 355-375, 1898. 

 Cross, 4, 115-141, 1897. 

 Hague, 1, 445-457, 1896. 

 Pogue, 28, 218-238, 1909. 

 Warren, 25, 12-36, 1908. 

 Goldman, 39, 261-288, 1915. 



Washington and Pirsson, Belknap Mts., 20, 344-353, 1905; 22, 439-457, 

 493-515, 1906. 



, Eed Hill, 23, 257-276, 433-447, 1907. 



, Tripyramid Mt., 31, 405-431, 1911. 



25 Quantitative Classification of Igneous Eocks, Cross, Iddings, Pirsson 

 and Washington, Chicago, 1903. 



Petrogenesis, C. Doelter, Braunschweig, 1906. 



Igneous Eocks, vols. 1 and 2, J. P. Iddings, New York, 1909 and 1913. 



Problem of Volcanism, Iddings, New Haven, 1914. 



Natural History of Igneous Eocks, Alfred Harker, London, 1909. 



Igneous Eocks and their Origin, E. A. Daly, New York, 1914. 



26 Among these may be mentioned : 



Eosenbusch u. Wulfing, Physiog. der petrog. wicht. Min., Stuttgart, 1905. 



Iddings, J. P., Eock-Minerals, 1st ed., New York, 1906. 



Johannsen, A., Manual of Petrographic Methods, New York, 1914. 



Winchell, N. H. and A. N., Elements of Optical Mineralogy, New York, 

 1909. 



-' Wright, Methods of Petrographic-Microscopic Eesearch, Carnegie Inst., 

 Washington, 1911, and various papers; many in this Journal. 



28 Conf . Wright 's work quoted above and the various manuals previously 

 mentioned. 



29 Kemp, Hand-book of Eocks, 3d ed., New York, 1904. Pirsson, Eocks 

 and Eock-Minerals, New York, 1910. 



30 Williams, G. H., U. S. Geol. Surv., Bull. 62, Washington, 1890. 



31 Van Hise, Treatise on Metamorphism, U. S. Geol. Surv., Monograph 17. 



32 F. W. Clarke, U. S. Geol. Surv., Bull. 591, 1915. 



33 Hillebrand, Analysis of Silicate and Carbonate Eocks, U. S. Geol. Surv., 

 Bull. 422, 1910. 



34 Washington, Chemical Analysis of Eocks, pp. 200, New York, 1910. 



35 Id., Chemical Analyses of Igneous Eocks (1884-1900), U. S. Geol. Surv., 

 Prof. Paper, No. 14, 1903. 



36 Osann, Beitr. zu chem. Petrogr., II Teil. Anal. d. Eruptivgest., 1884- 

 1900, Stuttgart, 1905. 



37 Washington, Ibid., 2d ed., U. S. Geol. Surv., Prof. Paper 99, pp. 1216, 

 1917. 



38 Clarke, U. S. Geol. Surv., Bull. 616, 1916. 



39 Fouque and Michel-Levy, Synthese des Mineraux et des Eoches, Paris, 

 1882.^ 



40 Morozewicz, Exper. TJntersuch. u. Bildung der Min. im Magma, Min. 

 petr. Mitt., 18, 1898. 



41 Doelter, Synthetische Studien, N. Jahrb. Min. 1897, 1, 1-26. Allg. 

 chem. Mineralogie, etc. 



42 Tamman, Krystallisieren und Schmelzen, 1903. 



43 St. Meunier, Les Methodes de Synthese en Mineralogie, Paris, 1891. 



44 Vogt, Mineralbildung in Smelzmassen, Christiania, 1892 ; Silikatschmelz- 

 losungen, 1 and 2, 1903, 1904, and various other papers, esp. in Min. petr. 

 Mitt., vols. 24 and 25, 1906. 



45 H. E. Boeke, Grundlagen der physikalisch-chemischen Petrographie, 

 Berlin, 1915. 



