888 



INDEX 



Lobster , life history of, 259-262 

 marketing of, 264-265 

 methods of the fishery, 262- 



265 

 traps for, 262-263 



M 



Mackerel, canning, 210 

 Magnesium oxychloride cement, 



use of, 57 

 Marinated fish, preparation of, 



210-211 

 Meal, use of fish scrap as, 221- 



223 

 Menhaden, capture of, 214-216 

 oil, manufacture of, 214-217 

 scrap, manufacture of, 214- 

 217, 221-223 

 Mother-of-pearl, see also pearl 

 shell 

 composition of, 94-98 

 nature of, 94-96 

 Murlins, use as food, 82 



N 



Natica, 256 



Noachman, preparation of, 78 



O 



Ocean, see sea 



Oceanography, importance of, 



4-5 

 Otter-trawl, fishery, 165-166 

 Oyster, American production, 

 230-231 



canning, 240 



cookery, 239 



culture, 233-236 



enemies of, 234-235 



European, 230 



fishery, 236-237 



life history, 231-232 



marketing of, 237-238 



shells, use, 240-241 



shucking, 238 



Paper, manufacture from sea- 

 weeds, 74-75 



Pearl buttons, manufacture of, 

 108-9 

 culture, Japanese, 103-105 

 essence, manufacture of, 111- 

 115 

 nature of, 111-115 

 fisheries, diving, 99-102 

 location, 99-105 

 methods, 98-105 

 shell, classification of, 107-8 

 composition of, 94-98 

 fLsheries, see pearl fisheries 

 nature of, 94-96 

 use of scaphanders, 101-103 

 utilization, 106-109 

 Pearls, blister, see blister pearls 

 composition of, 96-98 

 cultured, 103-105 

 evaluation of, 105-106 

 historical, 90-93 

 imitation, detection of, 116 

 indestructible, 113-114, 116 

 manufacture of, 111-115 

 nature of, 111-116 

 nature of, 94-96 

 origin of, 96-98 

 Roman, 115 



use in early Egypt, 91-92 

 use in early Rome, 92 

 utilization, 106-109 

 Periwinkle, Q56 

 Piddock, 256 

 Plankton, nature of, 25 

 Pollution, of waters, eff^ect on 



fish life, 143-145 

 Porphyra, cultivation of, 83 



use as food, 82-84 

 Porpoise leather, preparation of, 

 229 

 jaw oil, manufacture of, 307- 

 308 

 Porpoises, 307 

 Porpoise oil, manufacture of, 



307-308 

 Posidonia Australia, use of, 



75 

 Potash, manufacture, from algae, 

 59-71 

 manufacture, from bittern, 58 

 Pribilof Islands, discovery of, 

 309 



