﻿RESEARCH IN BRITISH WEST AFRICA. 193 



In conclusion, I wish to take this opportunity of recording my indebtedness to 

 all those whose names appear in this report, for their kind assistance in furthering 

 the investigation, and at the same time express the hope that this work, so well 

 begun by them, may be continued and may also stimulate others to similar efforts, 

 so that soon our knowledge of (1) the distribution of blood-sucking insects, 

 (2) their habits and habitats, and (3) the diseases with which they may be impli- 

 cated, may be such as to form a sound basis for thorough-going prophylactic 

 measures, to the everlasting benefit of not only the native population, but also of 

 the many Europeans who are compelled to spend a great part of their lives in 

 this not over-salubrious Colony. Already much has been done in this direction, 

 and the invaliding rate is being reduced annually, but more strenuous efforts will 

 have to be made, based on a fuller knowledge of the underlying causes and 

 principles. This, in turn, is possible only by continued work along the lines 

 indicated in this and similar reports. 



Especially, however, would I express my indebtedness to His Excellency the 

 Governor, Sir Walter Egerton, K.C.M.G., than whom no one is more keenly 

 alive to the necessity for this work, for the many ways in which he assisted me 

 during my stay in the Colony, and for his many personal as well as official kind- 

 nesses ; to Col. H. C. Moorhouse, D.S.O., whose suggestions, based on an 

 intimate knowledge of the Colony, were invaluable in carrying out the work 

 expeditiously; to Dr. W. H. Strachan, C.M.G., the Principal Medical Officer, 

 from whom I received every facility and assistance ; to Dr. F. G. Hopkins 

 (now Principal Medical Officer of the Gold Coast), for his kind co-operation 

 and the many ways by which he sought to place the investigation on a sound 

 basis ; to Dr. T. F. G. Mayer, whose paper already published in this Bulletin 

 is a permanent record of genuine interest ; to Dr. Connal, for his valuable 

 collections and observations and also his personal kindness during my residence 

 at Yaba ; to Dr. A. W. S. Smythe, in remembrance of many profitable 

 excursions by launch in tsetse-haunts ; to the various Marine and Railway 

 officials whose ready co-operation and assistance were everywhere manifested ; 

 and to these and other political and medical officers in whose districts I travelled 

 and with whom my work brought me in contact for their whole-hearted 

 sympathy, the interest everywhere shown, and much kind hospitality. 



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