FISHERY INDUSTEIES OF THE UNITED STATES, 1921. 



85 



Comparative Statistics of the Shad and Alewife Product of Maryland and 

 Virginia, Various Years, 1880 to 1921 — Continued. 



Catch of Shad and Alewives in Chesapeake Bay and its Several Tributaries 



in 1920 AND 1921. 



1 There was no commercial fishing in the Susquehanna River in Pennsylvania in 1920 and 1921. 



« No canvass of the fisheries of Nanticoke River in Delaware was made for 1920 or 1921. 



» There was no commercial fishing for shad and alewives in the Pocomoke River in Virginia in 1920 and 



