ILLUSTRATIONS 



Plate I 



FIG. 1. Coptotermes formosanus, soldier. 



2. Coptotermes formosanus, forewing. 



3. Coptotermes formosanus, hind wing. 



4. Odontotermes formosanus, soldier. 



5. Odontotermes formosanus, forewing. 



6. Odontotermes formosanus, hind wing. 



Plate II 



Fig. 1. A nest of Coptotermes formosanus, in its natural position. Found 

 at Kokura, Japan. 

 2. A nest of Coptotermes formosanus, constructed at the top of a 

 king-post. Found in Taihoku, Formosa. 



Plate III 



Fig. 1. The covered tunnel constructed by Coptotermes formosanus. 



2. A cross section of a nest of Coptotermes formosanus. a, the royal 

 chamber for the queen; b, the royal chamber for the king. 



Plate IV 



FlG. 1. One end of a common rafter, showing the method of attack by 

 termites. The year rings remain, while the soft parts are en- 

 tirely eaten up. 



2. Part of a tiebeam, damaged by termites; from a residence in 



Taihoku. 



3. One end of a pillar, damaged by termites; from the porch of the 



Civil Governor's residence in Taihoku.. 



Plate V 



FlG. 1. Damage to wooden stairway, in a military storehouse in Kiushiu, 

 Japan. 



2. Damage to foundation timbers of a Japanese building. 



3. A seriously damaged tiebeam, in a military storehouse in Kiushiu, 



Japan. 



Plate VI 



Fig. 1. The pathway of Coptotermes formosanus through a wall. The 

 main entrance of the Civil Governor's residence in Taihoku; one 

 part of the walls was removed in order to trace the passage. 

 2. The residence of the Chief of the Communication Bureau, Govern- 

 ment of Formosa, seriously attacked by Coptotermes formosanus. 



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