16 Field Museum of Natural History — Anth., Vol. XII. 



are placed in dung or other material which will make a slow fire and are 

 burned for a night, after which they are ready for service. 1 Some tribes 

 understand the art of glazing with pitch, but this is not generally prac- 

 ticed throughout the Islands. These jars are generally red in color, 

 and in form quite distinct from those of Chinese manufacture. They 

 are in daily use and have a value of only a few centavos. 



1 The writer found this process both in Luzon and Mindanao. Dr. Jenks 

 found a slightly different method of production at Bontoc (see Jenks, The Bontoc 

 Igorot, pp. 117-121). This process is illustrated by a life sized group in the Field 

 Museum of Natural History. PI. XXII. 



