ILLUSTRATIONS. 



Plate I. 



Fig. 1. View of the southern part of the Aroroy district looking south from Mount 

 Bagadilla; Mount Kalakbao in the foreground. Mount Vil-lon on the 

 extreme left. (Photograph by Ferguson.) 

 2. The Aroroy district looking south and east from across Port Barrera. 

 The two hills in the center are Mount Aroroy and Mount Bagadilla. 

 Mount Kalakbao is partly concealed by the latter. (Photograph by 

 Ferguson. ) 



Plate II. 



Upper level of the Colorado Mine, showing the banding of the ore. (Photograph 

 by Ferguson.) 



Plate III. 



Group of native miners at the oflSce of the Syndicate Mining Company. (Photo- 

 graph by Ferguson.) 



Maps. 



1. Map of Masbate. ( From Atlas de Filipinas, with corrections by H. G. F-erguson. ) 



2. Geologic map of the Aroroy mining district, Masbate. 



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