138 TiMEHRI. 



STONE left Guiana in 1817, breaking his connexion 

 with the colony, of which he was then Keizer and 

 Financial Representative, the inhabitants, in appreciation 

 of his value and his services, subscribed to present him 

 with a piece of plate ; and the following inscription was 

 written by Waterton for it: — 



A TOKEN OF GRATITUDE 



from the Inhabitants of Demerary 



TO 



CHARLES EDMONSTONE, ESQ., 



whose integrity, and many excellent qualities, 



during a residence of thirty-seven years in the Colony, 



gained their sincere esteem : 



his prudence and humanity, entitled him 



to the command of repeated expeditions, against the 



revolted negroes of Guiana ; 



and his coorage, always ensured success. 



Cocao and its Inse6l Pests. — In a former number 

 of Timehri (Vol. I, New Series, p. 352) in an 

 occasional note on this subje6l, I was enabled, through 

 the kindness of Mr. WiLLlAM SMITH and the late 

 Mr. BoSCH-Reitz, who submitted specimens to me 

 for examination, to describe two Longicorn beetles, 

 Stirastoma depressa and Tasniotes farinosus^ which 

 were produ6tive of serious harm to the cocao trees in 

 Surinam, and less seriously so to those in Essequibo. 

 Recently through the kindness of Mr. Eli VAN Praag 

 of Paramaribo, I have had the opportunity of examining 

 some minute Scolytid beetles, which have only been 

 known to attack the cocao plants within the last year, 

 but which had already been the cause of death to the 

 plants over a very considerable area of plantations in 



