380 SUCCESSFUL RESULTS. Chap. XIX. 



Thus were the various oj)eratious which I organized for 

 procuring the valuable species of chinchoua-trees in South 

 America satisfactorily completed ; and the labours of Mr. 

 Spruce, Dr. Taylor, Mr. Pritchett, Mr. Cross, and Mr. Weir, 

 though differing in value and importance, all deserve the 

 warmest recognition, for all those intrepid and courageous 

 explorers worked zealously and successfully, and did good 

 service in furthering this most important public enterprise. 



