FISHERY INDUSTRIES OF THE UNITED STATES. 



REPORT OF THE DIVISION OF FISHERY INDUSTRIES FOR 1921.i 



By Lewis Radcliffe, Assistant in Charge. 



CONTENTS. 



Introduction 2 



Summary of operations 2 



Publications of the division 3 



Documents 3 



Economic circulars 3 



Statistical bulletins 3 



Notes on fishery apparatus 3 



Sweep net or seine 3 



Crawfish fishery of Wisconsin 5 



Improvements in merchandising fishery prod- 

 ucts 6 



Improvement in transporting sea crawfish.. . 7 



Market surveys 7 



Increasing the use of fish as food 9 



Pink and chum salmon 9 



National Fish Day 9 



Fishery conferences , 9 



Technological investigations '. 10 



Preservation of fish nets 11 



Brine freezing of fish 11 



The fry bath in canning sardines 12 



Salting river herring 13 



Canned fishery products and by-products of 



the United States and Alaska, 1921 13 



Canned fishery products 13 



Canned salmon 13 



Canned sardines 17 



Caimed shad and alewives 17 



Canned albacore, tuna, and mackerel in 



CaUfornia 18 



Canned shrimp 19 



Canned crabs 19 



Canned clams 19 



Canned oysters 21 



Miscellaneous canned fishery products 21 



By-products of the fisheries 21 



Fish oils 21 



Fish scrap and meal 22 



Poultry grit and lime 22 



Menhaden industry 23 



Miscellaneous by-products 24 



Fish leather 2.5 



Fish-scale essence 25 



Agar-agar 25 



New England vessel fisheries 25 



General statistics 25 



Species 48 



Cod 48 



Haddock 49 



New England vessel fisheries — Con. rage. 



Species— Continued . 



Hake 49 



PoUock 49 



Cusk 49 



HaUbut 49 



Mackerel 49 



Swordflsh 50 



Flounders 50 



Herring 50 



Otter-trawl fishery 51 



Vessel landingsof cod, haddock, andhaUbut. 54 



Vessel fisheries at Seattle, Wash 61 



Smoked-fish industry of Maine, 1921 64 



Fishery products received at Municipal Fish 



Wharf and Market, Washington, D. C 64 



Shad and alewife fisheries of the Potomac River, 



1921 66 



Brief review of the shad fishery of the Potomac 



River 67 



Introduction 67 



History 68 



Notes on sponge fishery 70 



Frozen fish 71 



Cold-storage holdings during 1921 71 



Quantities frozen in 1921 73 



Fisheries of California in 1921 74 



Fisheries of Maryland and Virginia in 1920 77 



Earlier pubUcations 78 



Common and scientific names of fishes 78 



General statistics 79 



Crab fishery of Maryland and Virginia 81 



Shad and alewife fisheries of Maryland and 



Virginia ." 84 



Oyster industry of Maryland and Virginia. . . 87 



Fisheries of Maryland 88 



Fisheries by counties 90 



Fisheries by apparatus 96 



Industries 106 



Salt-fish industry 106 



Canning industry 106 



By-products 106 



Wholesale trade 106 



Fisheries of Virginia 107 



Fisheries by counties 109 



Fisheries by apparatus 1 19 



Industries 134 



Wholesale fishery trade 134 



Menhaden industry 134 



Miscellaneous industries 135 



1 Appendix IX to the Report of the U. S. Commissioner of Fisheries for 1922. B. F. Doc. 932. 



