Pratt and Smith: Petroleum Resources.] 



tPHIL. Journ. Sci., VIII, A, No. 5. 



Fig. 1. Looking east-northeastward across the valley of Malipa Creek. 



Fig. 2. South Cudiapi Mountain across the valley of Bondoc River, looking northeastward. 



Fig. 3. Mount Cancalao, looking westward. 

 PLATE IX. 



