4U0 fetch: black termite of oeylon. 



striking contrast to the readiness with which they would find 

 food ; if the food was placed on another table two to three 

 feet away, it was certain to be found during the night, the 

 termites travelling down the legs of the one table and up those 

 of the other. 



During my absence from Peradoniya from April 25 for a 

 month, the insects abandoned the nest, perhaps because they 

 were not supplied with sufficient food or because the nest was 

 allowed to become too dry. 



Explanation of Plates. 



Plate VI. A. — External structure hanging from a tuft of ferns 

 on a Ficus stem : two tracks running down to the left. About 

 one-twelfth natural size. 



Plate VI.B. — External structure iu course of reconstruction. 

 The nest is situated between the two stems. About one-twelfth 

 natural size. 



Plate VII. — External structure in a hollow in a tree trunk, with 

 track running down to the right. About one-twelfth natural 

 size. 



Plate VIII. — Comb of Eutermes monoceros in a hollow stem ; 

 natural position vertical. About one-fourth natural size. 



Plate IX. A. — Track of Eutermes monoceros on a whitewashed 

 wall. One-sixth natural size. 



Plate IX.B. — The same track. One and a half times natural 

 size. 



Plate X. — Foundations of the external structure. About one- 

 eighth natural size. 



Plate XI. — A further stage of the same structure. 



Plate XII. — The same structure aknost completed. 



Plate XIII. — The same ; two projections lengthened. The 

 third fallen off. 



Plate XI V. — Comb built under a boll-glass round the stump of 

 H ttiu buHh. About ono-half natui-al size. 



