REPORT OF THE COMMISSIONER OF FISHERIES 



C ONTENTS 



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International relations iii 



Revised Northern Pacific Halibut Convention iii 



International Passamaquoddy Fisheries Commission v 



Multilateral Convention for the Conservation of Whales vi 



North American Council on Fishery Investigations vu 



Japanese vessels in Bering Sea vii 



Domestic relations vii 



Fisheries of the Virgin Islands and Puerto Rico vii 



Cooperation with the States and other agencies viii 



Five-year construction program ix 



Bureau's new headquarters x 



Alaska fisheries service x 



Administration of fishery laws and regulations x 



Alaska salmon hatcheries xi 



Products of the fisheries xi 



Alaska fur-seal service xi 



General activities xi 



Seal herd xii 



Take of sealskins xii 



Marking reserved seals xii 



Sale of sealskins xii 



Foxes XIII 



Fur-seal skins taken by natives xiii 



Fur-seal patrol xin 



Protection of sea otters, walruses, and sea lions xiii 



Propagation and distribution of food and game fishes xiii 



Propagation of commercial species xv 



Propagation of game fishes xv 



Rescue operations xvi 



Statistical surveys xvi 



fisheries of the United States, 1930 xvi 



Manufactured products in the United States and Alaska, 1930 xvii 



Some unusual markets for fish and shellfish xviii 



Technological investigations xviii 



Nutritive value of marine products xviii 



Preservation of fishery products for food xix 



Bacteriology of fish preservation xix 



Preservation of fishery by-products xix 



Net preservation xx 



Biological fishery investigations xx 



lisheries of the Atlantic and Gulf coasts xx 



Fisheries of interior lakes xxii 



Fisheries of Pacific coast and Alaska xxii 



i ish-screen and fish-ladder investigations xxiii 



Aquicultural investigations xxiii 



Fishery studies in national parks and forests xxiv 



Shellfishery investigations xxi v 



Law enforcement division xxv 



Vessel notes xxvi 



Appropriations xxvii 



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