480 ADAMS AND PRATT. 



Hermann, Raphael. Besuch im Gold District von Camarines Xorte (Luzon) 



Globus, Braunschweig ( 1899 ) , pp. 10-12. 

 Jagok, F. Eeisen in den Philippinen. Berlin (1873), XVI+381 pp., 1 map. 

 RiNNE, F. Kupferreiche Sande im Malaguit Gebiet bei Paracale (Luzon) . Ztsclir. 



f.'prakt. Geol. (1901), 387-389. 

 Idem. Ueber eine Magneteisenerz Lagerstiitte bei Paracale in Nord Camarines auf 



Luzon. Ibid. (1901). 11, 115-117. 

 ICKis, H. M. Camarines Gold Field. Far East. Rev. (1907), 4, .56-57. 

 Roth, Justus. Ueber die geologische Bescbaffenheit der Philippinen (1873), 1, 



333-354. See Jagor, Reisen in den Philippinen. Berlin (1873), 333-354. 

 Smith, Warren D. The Coal Deposits of Batan Island. Bull. P. I. Min. Bur. 



(1905). No. 5. 

 The Gold District of Paracale-Mambulao, Ambos Camarines, Mm. Resources, 

 P. I. Bur. Sci., Div. Min. (1910), 9. 



The appendix in the report of the Philippine Commission to the Secretary of 

 War, 1908. contains reprints of various articles on the mineral resources of the 

 Philippines .some of which discuss parts of southeastern Luzon. 



