THE SEA FISHERIES OF EASTERN NORTH AMERICA. 11 



A. As food — Continued. Page. 



6. Other preparations : Livers, sounds, fins 146 



7. Extracts - 146 



8. Baits for fish „. . 147 



B. Applied in the arts and industries 148 



1. Gelatine 148 



(a) Sounds 148 



(6) Skins 148 



2. Oil 149 



(a) Menhaden 149 



(7j) Capelin . 149 



(c) Herring 149 



(d) Other fish 149 



(e) Livers, expressed 149 



3. Fertilizers 150 



(a) Guano 150 



(6) Offal 150 



4. Clothing 150 



(o ) Skins of salmon, cod 150 



(b) Eel-skins for pigtails 150 



(c) Sturgeon 150 



5. The industrial application 150 



(a) Stomach membranes of halibut for windows 



(b) Teeth of sharks for weapons 



(c) Shark skin for polishing 150 



(d) Shark skin for ornaments, covering, &c 150 



(e) Vertebras for canes 



(/) Scales of fish for ornaments , 



6. Medicines 



(a) Cod-liver oil 



(b) Propylamine from fish pickle or brine 



(c) Intestines of grayling as rennet 



IV.— Maintenance and Improvement op Fisheries. 



A. By legislation regulating and prohibiting 151 



1. Special regulations 151 



(a) Places of fishing 152 



(&) Seasons for fishing 155 



(c) Time of day for fishing 155 



(d) Size of mesh of nets 155 



(e) Distance apart of nets 155 



(/) Police regulations of boats and men 155 



(g) Preparation of fish for market 155 



2. Few restrictions of sea fisheries by United States 156 



(a) Difficulty of maintaining such regulations 156 



(&) Other nations would not respect them 157 



3. Regulation of river and shore fisheries desirable 157 



(a) Enactments of some States 157 



(b) Pollution of rivers 157 



(c) Erection of fishways 15? 



(d) Inspection iu markets 158 



4. Protection during spawning season 158 



(a) Advantageous for both fish and fishermen 158 



(b) Partial close time suggested 159 



(c) Some fish unfit for food after spawning 160 



(d) Alewife fisheries in New England protected by towns 160 



