342 SMITH. 



Idem. A Geologic Reconnaissance of the Island of Mindanao and the Sulu 

 Archipelago. I. Narrative of the Expedition. This Journal Sec. A (1908), 

 4, 473-500, 23 pis. 



Idem. ' A Geologic Reconnaissance of the Island of Mindanao and Sulu Archipelago. 



II. Physiography. This Journal, Sec. A (1910), 5. 



Idem. A Geologic Reconnaissance of the Island of Mindanao and Sulu Archipelago. 



III. Geology. This Journal, Sec. A (1911), 1. 



Idem. The Nonmetallic Minerals. Min. Res. P. I., Bureau of Science, Manila 



(1909), 11-19. 

 Idem. Coal Resources of the Philippines. Economic Geology (1909). 

 Idem. The Paracale-Mambulao Gold District. Min. Res. P. I., Bureau of Science, 



Manila (1910), 1. 

 Idem. The Philippine Islands. Handbuch der Regionalen Geologie. Herausge- 



geben von Steinmann u. Wilkens Heidelberg (1910), Bd. VI 5, Htft 3. 



