50 



HISTORY AND CAUSE OF THE COCONUT BUD-EOT. 



spread of the disease in the direction of the wind. The kind of 

 insect or animal Ufe responsible, however, is not yet determined. 

 A great variety of forms, as described on other pages, has been 

 found in the tops of both diseased and healthy trees. In the infected 



o MEALJWV 

 • DISEASED 

 - STVMP 



August S, 1903. 



Ocf.ti.moa 



Fig. 10.— Diagrams showing the progress of the bud-rot in a coconut grove at Baracoa, Cuba, from 

 March 10 to October 21, 1908. The four sections of the diagram indicate the condition of the grove on 

 the dates specified. 



tissues themselves are usually found in abundance larvae of flies and 

 ear^vigs. In some very deep portions, even where it was difficult to 

 imagine the possibility of access to flies or other insects, numerous 

 larvte occur. 



228 



