Transcriber's note:
A list of corrections made can be found at the end of the book.
Click on the images to see higher resolution scans.
Book Cover
DEPARTMENT OF COMMERCE
BUREAU OF FISHERIES
HUGH M. SMITH, Commissioner
THE PROTECTION OF FRESH-WATERMUSSELS
By R. E. Coker, Ph. D.
Director U. S. Biological Station
Fairport, Iowa
Bureau of Fisheries Document No. 793
Seal of the Department of Commerce
WASHINGTON
GOVERNMENT PRINTING OFFICE
1914
[1]THE PROTECTION OF FRESH-WATER MUSSELS
By R. E. Coker, Ph. D.
Director U. S. Biological Station, Fairport, Iowa
Bureau of Fisheries Document No. 793
 [2]CONTENTS.
Page.
Present conditions3
 The mussel industry3
 Depletion of the resources4
 The interests of the community5
 Artificial propagation of mussels by the Government7
  Establishment of propagation7
  Results dependent upon protection8
Protection9
 Essential considerations for effective legislation9
 Examination of protective measures10
  Two measures for immediate application10
  Measures not suited to existing conditions10
 Size limit—necessity and application12
  Exhaustive nature of the fishery12
  Waste illustrated                        
...
                        
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