212 



U.S. BUREAU OF FISHERIES 



Lake fisheries of the United States, 1932 — Continued 

 CATCH: By lakes— Continued 



3 From streams tributary to Lakes Michigan, Huron, and Erie. The mussel shells taken in streams trib- 

 utary to Lakes Huron and Erie, which were inconsiderable, have been included with those taken in 

 Lake Michigan, State of Michigan, to avoid disclosure of private enterprise. 



FISHERIES OF THE MISSISSIPPI RIVER AND TRIBUTARIES 



The most recent complete catch statistics of the fisheries of the 

 Mississippi River and tributaries are those collected for the year 1931, 

 a summary of which follows: 



The yield of fishery products in that year amounted to 82,382,523 

 pounds, valued at $2,897,357, which was a decrease of 22 percent in 

 the catch and 36 percent in its value as compared with the catch and 

 its value in 1922 when the most recent preceding survey was made. 

 Detailed statistics of the fisheries of the Mississippi River and tribu- 

 taries appear in ''Fishery Industries of the United States, 1932" by 

 R. H. Fiedler, Appendix III to Report of Commissioner of Fisheries 

 for the fiscal year 1933. 



Following the summary of the fisheries of the Mississippi River and 

 tributaries for 1931 are statistics of the fisheries of Lakes Pepin and 

 Keokuk and the Mississippi River between these two lakes for 1932. 



