OF WASHINGTON. 



107 



of his type localities, and Mr. Piper stated that he knew of other 

 similar instances. 



Mr. Quaintance exhibited a microscopic slide of an Aley- 

 rodes apparently identical with A. citri R. & H., and coming 

 from China. It was collected on orange, and this, in his opin- 



FIG. 5. Cacao and the Trece Aguas Cliff in Alta Vera Paz, Guatemala. 



ion, gave additional evidence to support Prof. Cockerell's sug 

 gestion that A. citri , the destructive orange white fly of 

 Florida, is native to China and came originally from there. 



