PREFACE. ix, 



introduction to the study, and to the late Dr. Francis 

 Day for his kindly help on various occasions when 

 it was niy privilege to meet him. But for ttys 

 kindly advice and encouragement of the former the 

 Solway Fishery would never have been commenced. 



To my friend, George H. Brocklehurst, B.Sc.^ 

 I am indebted for a considerable amount of assis- 

 tance in microscopic research and the study of 

 embryology, etc. In studying the mysteries of our 

 ponds and ditches, and working out the life histories 

 of many of the creatures contained therein, I have 

 been largely assisted by my friend, Leonard West,. 

 Esq., of Darlington, who has kindly supplied the 

 drawings in illustration of the chapter on pond life, 

 as well as a considerable portion of the letterpress. 

 To Mr. Thomas Bolton, of Birmingham, I am also 

 indebted for information respecting the microscopic 

 inhabitants of our waters, and also for drawings illus- 

 trative of the embryonic life of a salmonoid. 



For views of the Solway Fishery I am indebted 

 to Mr. Willie Anderson, of Partick, Glasgow, and 

 to J. Rutherford, Esq., of Jardington, Dumfries; 

 and I am glad to take this opportunity of acknow- 

 ledging the kindness and hospitality of many who 

 will read these pages, who have, from time to time, 

 permitted free access to their waters for the purposes 

 of scientific research, etc. Without the help of some 



