63 S F. F. GROUT GRAPHIC STUDY OF IGNEOUS ROCK SERIES 



Roman region. — H. S. Washington: The Roman comagniatic region. Carnegie 



Institute Publication, 1906. 

 Central western Virginia. — T. L. Watson and J. H. Cline : Petrology of a 



series of dikes. Bulletin of the Geological Society of America, volume 



24, 1913. pages 301-334. 

 Christiania. — W. C. Brogger : Die Eruptivgesteine des Kristianiagebietes. 



1894. 

 Kiruna. — P. Geijer : Geology of Kiruna District. 1910. 

 Kola. — Ramsey and Hackman : Fennia, volume 11, number 2, 1894; and 



B. Hackman : Commercial Geology of Finland, number 15, 1905. 

 Port Goldwell. — H. L. Kerr: Nephelite syenites of Port Coldwell. Nineteenth 



Annual Report of Ontario Bureau of Mines, part I, 1910, pages 209-232. 

 Yellowstone. — J. P. Iddings : Alsarokite-shoshonite-banakite series. Journal 



of Geology, volume 3, 1895, pages 935-959. 

 Mauna Kea. — R. A. Daly: Maginatic differentiation in Hawaii. Journal of 



Geology, volume 19, 1911, pages 289-316. 

 Central Montana. — L. V. Pirsson : The petrographic province of central Mon- 

 tana. American Journal of Science, volume 20, 1905. pages 35-49. 



