Diseases 239 



in any part of the book. Every centre is in- 

 cluded, and all the authorities we know of 

 quoted, as well as many whose reports we have 

 not yet received. The notes referred to are 

 from the last two pages (162-163). 



In the summary of the book, which, as 

 stated, covers the whole of the coco-nut world 

 apparently, we are told : 



In general, those planters attending to or- 

 dinary methods of sanitation in their groves 

 had little trouble with this disease (bud-rot). 



The cause of the disease in Eastern Cuba is 

 shown by repeated inoculation experiments to 

 be a bacterial organism, practically identical 

 with Bacillus coli (Escherich), Migula. 



It is believed that birds and insects are 

 carriers of this disease, but the subject requires 

 further study. 1 



In 1906 the Baracoa coco-nut district, Cuba, 

 was the largest exporter of coco-nuts and coco- 

 nut products to the United States of America ; 

 next came the British island of Trinidad, West 

 I ndies. Owing to the disease, however, the area 

 under coco-nuts in Cuba has been greatly re- 

 stricted, and is now mainly confined to the 

 Baracoa district. 



Recommendations for prevention and cure 

 are summed up as follows : 



1 In face of our suggestion elsewhere that chickens 

 and even pheasants might be bred on coco-nut estates, 

 for profit and to keep down insects, this statement is 

 deserving of attention. 



