96 



Borneo. 



could secure them. In order to show the curious connection 

 between the state of the weather and the degree in whicli 

 moths were attracted to light, I add a list of my captures 

 each night of my stay on the hill. 



It thus appears that on twenty-six nights I collected 1386 

 moths, but that more than 800 of them were collected on 

 four very wet and dark nights. My success here led me to 

 hope that, by similar arrangements, I might in every island 

 be able to obtain abundance of these insects ; but, strange 

 to say, during the six succeeding years I was never once able 

 to make any collections at all approaching those. at Sarawak. 

 The reason of this I can pretty well understand to be owing 

 to the absence of some one or other essential condition that 

 were hei-e all combined. Sometimes the dry season was the 

 hinderance ; more frequently residence in a town or village 



