SECTION I. — INTRODUCTION. 19 



To the Managers of the sugar estates in Trinidad for their hospitality, 

 patience and interest in my work ; to the Staff of the Department of 

 Agriculture in Trinidad, and in particular to Mr. F. W. Urich, whose 

 assistance throughout has been invakiable ; to the Department of 

 Science and Agi-iculture in British Guiana, to whom, and to their 

 Entomologist Mr. G. E. Bodkin in particular, I am indebted for 

 assistance and facilities while in that country ; to the Department rtf 

 Agriculture in Surinam ; to the Imperial Department of Agriculture for 

 the West Indies, and to their Mycologist Mr. W. Nowell in particular ; 

 to the officials of the United Fruit Company for hospitality during my 

 stay in Panama and Costa Rica ; to the Imperial Bureau of Entomology 

 in London for much help in identifying the various parasites found in 

 the course of my work ; and to a large number of individuals among 

 whom I might mention Mr. .T. R. Bovell, Director of Agi-iculture of 

 Barbados. Mons. Bassieres, Director of Agriculture of Martinique, and 

 Mr. H. W. B. Moore, Entomologist to Messrs. Curtis Campbell and 

 Messrs. Booker Bros. British Guiana. 



I have also to thank Mr. E. E. Fabien, Manager of Cedar Hill 

 Estate, for the drawing of damaged cane leaves from which Plate II is 

 reproduced, Mr. H. G. Osterstock, of the John Innes Horticultural 

 Institution, London, for the drawings of adult froghoppers on Plate I, 

 and Mr. W. Buthn of the Trinidad Board of Agriculture for the drawings 

 ■ of birds in tigs. 12-16. 



