vi PREFACE TO THE FOURTH EDITION. 



triumphs of progress, and to be as sober-minded in their 

 tastes as heretofore. Besides this, nearly a dozen entirely 

 new rivers in England, Ireland, Wales, and Scotland, have 

 been added to the already extensive list, and the flies 

 suitable for them have been carefully noted and described ; 

 and I trust that these additions and improvements may be 

 recognised and appreciated by the public. 



1876. 



