ILLUSTRATIONS 



Plate I 



Fig. 1. A typical termite mound, or punso, in the Philippines. 



2. Vertical section of the mound shown in fig. 1. Note the thickness 

 of the outer wall and the central upright pillar of clay. The 

 fungus gardens are arranged between this pillar and the outer 

 crust. 



Plate II 



Fig, 1. A layer of fungus gardens, showing arrangement in the nest. 



2. Royal chamber, top view. 



3. Royal chamber, vertical section through the middle portion. The 



fiat floor and concave roof are characteristic features of the 

 chamber. 



Plate III 



Fig. 1. Fungus garden, top view, with large fungus "buttons'" probably 

 preparing to break through the outer wall of the nest and 

 develop into full-grown mushrooms. 



2. A portion of the slab of compact clay from the central upright 



pillar of the nest, showing openings to the passageways of 

 soldiers and workers. 



3. A typical fungus garden. Top view, on the right, showing the 



characteristic even smoothness of the edges of the walls; nether 

 aspect, on the left. The rugged condition of the edges of the 

 walls is natural and very characteristic. 



Plate IV 



Fig. 1. Tunnel of prepared earth built by workers on dead wood to protect 

 them from light in their expeditions. 



2. Work of termites on structural bamboo. 



3. Work of termites on Oregon pine. 



4. The royal couple and retinue. The big, sausagelike individual is 



the queen, with a batch of freshly laid eggs near the tip of the 

 abdomen. The individuals with large shiny heads and long man- 

 dibles are soldiers. All the rest are workers. 



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