268 



LETTERS TO MR. JANSON [CHAP. xxn. 



'January 12, 1900. 



I have lately had an application about " White Ants " 

 being destructive to young Cocoa trees in Ceylon. I do 

 not know much about the great hill-building Termites as 

 plant eaters, but I thought that probably exposing just the 

 couple of inches or so subject to be gnawed, to the light 

 might be useful. 



September 16, 1900. 

 I am very much obliged to you for all the trouble you 



Caterpillar (not full grown) and chrysalis. 



FIG. 72. GOAT MOTH, COSSUS LIGNIPERDA. 



have kindly taken in identifying the Bnichi for me, but on 

 running the matter up there does not seem to be the least 

 reason to suppose that these creatures had more to do with 

 the barley than that they had strayed into it from beans, of 

 which I find on special inquiry that the steamer carried also 

 a consignment " in the same hold." I wrote to the impor- 

 ters (or rather my applicants wrote to them on my part) and 

 I received a small consignment of the very identical beans 



