BuL. U. S. B. F., 1908. 



Plate CLV 



Fisheries steamer Fish Hawk, engaged in hydrographic and biological surveys on the New Kngland coast, 

 and often employed as a shad hatcheiy on east-coast rivers. (See p. 1385.) 



Main deck of bteanitrr Fis!i Ilriwl;, showing arrangement of ^IcDunald automatic jars for hatching shad. 



