Bui. 120, Bureau of Entomology, U. S. Dept. of Agriculture 



Plate IX. 



Fig. 1.— The Six Wardian Cases Containing the Natural Enemies of the Citrus 

 White Fly as they Arrived at the Laboratory at Orlando, Fla., After their 

 Long Trip from India. (Original.) 



Fig. 2.— a Wardian Case with the Top Removed. 



This top is tightly fitted on the glass case by means of screws. The elbowed fuiuiel was used in watering 

 the orange trees through the small door at the end. (Original.) 



TRANSSHIPPING THE NATURAL ENEMIES OF THE CITRUS WHITE FLY. 



