CONTENTS. 



Page. 



Inquiry respecting food fishes and fishing grounds 5 



Importance of the service 5 



Studies of fishes 6 



Mosquito control by the use of fish 7 



Fish-cultural experiment work 7 



Surveys of particular waters 9 



Aid to the shellfish industries 9 



New sources of seaweed gelatin 10 



Activities of the biological laboratories 10 



Propagation and distribution of food fishes 11 



Outline of the work 11 



Distribution of fish 12 



Relations with the States in fish culture 13 



Cooperation with fish-protectiv»^ associations 15 



Hatching of river fishes of the Atlantic seaboard 15 



Propagation of conunercial fishes of the Great Lakes IG 



Proi)agation <»f the Pacific salmons 17 



Cultivation of fishes of interior lakes and streams 18 



Hatching of marine fishes 20 



Rescue operations in Mississippi Valley 21 



Distribution of mosquito-eating fislios 22 



Artificial propagation of fresh-water mussels 22 



Relations with the fishery industries 23 



Summary of conditions and activities 23 



Fishery Intelligence service 25 



Studies of fishery metliods 25 



Improvement in handling fresh fish 26 



Fisli-marketing survey 26 



Increasing the consumption of fish 27 



Technological Investigation 27 



Increasing the use of by-products of the fisheries 28 



Fishery conferences '. 29 



New England vessel fisheries 30 



Vessel fisheries at Seattle, Wash 32 



Shad fishery of the Hudson River 33 



Shad and alewifo fislieries of the Potomac River 33 



The frozen-fish trade 34 



Fisheries of the South Atlantic States 34 



Fisheries of the New England States 35 



Sardine industry of Maine 35 



Florida sponge fishery t 36 



Increased usefulness to the fisheries 36 



Alaska fisheries service 37 



Extent of the Alaska fisheries 37 



p]nforcoment of fishery laws and regulations 38 



Private salmon hatcheries 39 



New salmon fishery regulations 39 



Protection of walrus and sea Hon 41 



New legislation neede<l 41 



Fiitiirt' development of Alaska fisheries 42 



Control over the Alaska fisheries 42 



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