ILLUSTRATIONS 



Plate I 



Fig. 1. Open well near municipal building, Taytay, Rizal Province. 

 2. Outhouse in proximity to well, Taytay, Rizal Province. 



Plate II 

 Fig. 1. Open well, Pasay. 



2. Flowing well, Malolos, Bulacan. 



3. Flowing well, Malolos, Bulacan. 



Plate III 



Fig. 1. Water carriers at a public hydrant, Manila. 



2. Carrying water in a bamboo tube; a common provincial method. 



3. A method of distributing milk and native drinks which are fre- 



quently diluted with impure water. 



Plate IV 



Near the Manila city water supply dam at Montalban, looking upstream 

 toward the dam. (Cut loaned by the Bureau of Printing.) 



Plate V 



Fig. 1. Section of a boiler tube entirely closed with scale, taken from a 

 neglected boiler in the provinces. 

 2. Section of the same tube, showing an iron cleaning rod broken off 

 in an attempt to remove the scale. 



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