44 



W. A. LAMBORN. 



Details as to further captures during the heat of the day from baobabs and two 

 other species of large trees, on each occasion by four collectors, are given in 

 the following table : — 



In this series the females amounted to no less than 55*8 per cent, of the total catch. 



Data concerning the flies taken on the wing at the same time by the same collectors 

 while walking between the various trees, which are usually few and far between, are 

 given below :— 



