Cox ET AL. : Water Supplies of the Philippines.] 



[Phil. Journ. Sci., IX, A, No. 4. 



Fig. 1. Open well, Pasay. 



Fig. 2. Flowing well, Malolos, Bulaoan. 



PLATE II. 



Fig. 3. Flowing well. Malolos, 

 Bulacan. 



