CONTENTS. 



Introduction 5 



Summary of operations 5 



Aid in doA^elopment of fishery for black drum 7 



Increasing the use of fish as food -. 7 



Demonstrations in fish cookery 7 



Groupers 8 



Increasina: the use of by-products of the fisheries 9 



Fish oils 10 



Fish scrap 11 



Fish meal 11 



Fish leather 13 



Shark fins 13 



Technological investigations 13 



Determination of principles of preservation of fish with salt 14 



Freezing iish in brine 15 



Investigations in canning fishery products in southern California 16 



New England vessel fisheries 17 



Vessel fisheries at Seattle, Wash 44 



Fishery products received at Municipal Fish Wharf and Market, Washington, 



D. C 47 



Shad fishery of the Hudson River 49 



Shad and alewife fishery of the Potomac River 51 



Fisheries of the Great Lakes, Lake of the Woods, and Rainy Lake in 1917 52 



Earlier publications 52 



Common and scientific names of fishes of the Great Lakes 53 



General statistics 53 



Fisheries of Lake Superior 60 



Fisheries, by States and counties 60 



Fisheries, by apparatus 65 



Wholesale fishery trade 68 



Fisheries of Lake Michigan 69 



Fisheries, by States and counties 70 



Fisheries, by apparatus r 77 



Wholesale fishery trade 89 



Fisheries of Lake Huron 89 



Fisheries, by counties 90 



Fisheries, by apparatus 94 



Wholesale fishery trade 99 



Fisheries of Lake St. Clair and St. Clair River 100 



Fisheries, by counties 100 



Fisheries of Lake Erie 100 



Fisheries, by States and counties 101 



Fisheries, by apparatus 105 



Wholesale fishery trade 112 



Fisheries of Lake Ontario and certain tributaries 112 



Fisheries of Lake Ontario 112 



Fisheries, by counties 113 



Fisheries, by apparatus 114 



Fisheries of St. Lawrence River 117 



Fisheries, by counties 117 



Fisheries of Niagara River 117 



Fisheries, by counties 117 



Fisheries considered by States 118 



Fisheries of Michigan 122 



Fisheries of Wisconsin 125 



Fisheries of New York 126 



Fisheries of Lake of the Woods, Rainy Lake, and Lakes Kabetogama and 



La Croix 127 



3 



