CONTENTS OF VOLUME XLIX. 



No. 1, December, 1919. 



PAGE 



Fishery Products Laboratories Afford the Greatest Promise of Relief 

 of Unsolved Problems Affecting Commercial Fisheries, 



Lewis Radcliffe 3 



The Growth of Fishes A . G. Huntsman 19 



Changing Food Conditions of the Trout Family James Nevin 24 



Fresh-Water Mussels as a Fish Food D. Lydell 29 



The Great Decline of the Oyster Industry in Connecticut and Rhode 



Island Henry C. Rowe 33 



The Necessity of State Legislation in the Conservation of Fresh- Water 



Mussels A . F. Shira 36 



Editorial — Prizes for Special Contributions 42 



Changes in the By-Laws 43 



No. 2, March, 1920. 



Proceedings, 1919 Meeting 47 



The Prime Essential in Commercial Fish Conservation, 



William K. Mollan 72 



The Chesapeake Bay Talbot Denmead 78 



Raising Fresh- Water Mussels in Enclosures Ray S. Corwin 81 



Beneficial Results of the Introduction of Plant Life in Trout Ponds at 



the New Jersey State Fish Hatchery Chas. O. Hayford 85 



The Preservation of the Alewife David L. Belding 92 



No. 3, June, 1920. 



The Retail Fish Market: Some Suggestions for Equipping and Con- 

 ducting It Arthur Orr 107 



Louisiana, Greatest in the Production of Shrimp, Penaeus, setiferus, 



E. A. Tulian 115 



Why Do Salmon Ascend from the Sea? Prof. Edward E. Prince 125 



Concerning the Protection of Fish, Fish Food and Inland Waters, 



Dr. James Alexander Henshall 141 



Plants of Importance in Pond Fish Culture Dr. Emmeline Moore 148 



Experiments in the Artificial Rearing of Fresh-Water Mussels in Troughs 

 Under Conditions of Control 153 



No. 4, September, 1920. 



A Word About Florida's Fish and Her Fisheries. ../. Asakiah Williams 159 



Membership List 171 



Constitution 187 



