INDEX 



777 



Pearls, stringing, 113 



structure of, 107, 112 



X-ray diffraction of, 116, 118-119 

 Pearls, other fisheries, 



chank, 110, 132 



conchs, 110 



mussels, 110 

 Pelagic fishes, 172, 197 

 Periwinkle, 677-678 

 Petersen freezer, 347 

 Pet food, canning of, 451 

 Petrale sole liver oil, 495 

 Pharmaceuticals, from waste materials, 



757-758 

 Phenylalanine in condensed fish solubles, 



486 

 Philippine Islands, mother-of-pearl fishery 



in, 130 

 Phosphorus, in condensed fish solubles, 485 



in fish (edible portion), 294, 299 

 Photoengraving glue, 526-527 

 Pickled herring, in sour cream sauce, 446 

 Piddock, 677-678 



Pilchard, fluctuations in populations of, 

 182-183 



production of, 222 

 Pilchard meal, capture of fish, 471-472 



composition of, 481 



location of industry, 470-471 



regulation of, 470 

 Pilchard oil, 470-471, 495 

 Pilchard seine, 249-250 

 Pismo clams, 578 

 Pituitrin from whales, 701 

 Plankton, 6, 187 



utilization as food, 764 

 Pollock, salted, 371-372 

 Porpoise-jaw oil, 703-704 

 Porpoise leather, 683 

 Porpoise oil, 703-704 

 Porpoises, 684-686 

 Porpoise skins, lace leather from, 545-546 



tanning of, 545 

 Portugal, commercial fishery production in, 



197, 200, 202, 204-207 

 Potassium, California process for, 38 



from bittern, 38 

 Balard's process, 37 



in condensed fish solubles, 485 

 Potassium chloride, 38 

 Pots, crab, 236, 618 



crawfish, 237, 648 



eel, 236, 270-271 



lobster, 640-641, 648 



number used, 236, 237 

 Pound nets, 260-264 

 Pressing of fish, Norwegian method, 422- 



423 

 Processing of fish livers, 500-506 



Protection of fishes, 175 



Protein in condensed fish solubles, 485 



Pudding, fish, 466 



Purse seines, 245-250 



mackerel, 250 



menhaden, 248-249 



pilchard, 249-250 



tuna, 248 

 Pyridoxin in condensed fish solubles, 486 



Quahog clams, 578, 582 

 Quality of fish for smoking, 401 



Radar, 



use of, 273 

 Rake, basket for clams, 583 



claw for clams, 581-582 

 Ray skin leather, 545 

 Reddening, salted fish, 366-367, 371 

 Red herring, 408-410 

 Red Sea, coral fisheries in, 143 

 Red snapper skin leather, 547 

 Reef net, 265-266 

 Refrigerated trucks, 322-323 

 Refrigerated vessels, 309-311 

 Refrigeration and freezing of fish, 328-360 

 Refrigerator cars, 311-322 



absorption system, 314 



air circulation system, 312 



Altek mechanical system, 315 



Broquinda "Dry Ice" system, 313-314 



dimensions of, 311 



Dry-Ice Equipment Co. system, 314 



end bunker, 311-312 



Frigid Transport Co. system, 314-315 



gasoline engine operated, 316 



heat leakage in, 308-309 



ice and salt mixtures, 321-322 



icing of, 311 



insulation of, 311 



odors in, 311 



overhead bunker, 311 



pre-cooling of, 311 



re-icing in transit, 312-313, 320 



roof tank type, 312-313 



stage icing of, 312 



temperatures of, 312, 314, 316 

 Regeneration of fins of fishes, 159 

 Reproduction of fishes, 173-175 

 Riboflavin, in condensed fish solubles, 486 



in fish, 298-300, 302 

 Rigor mortis criterion of freshness of fish, 



282, 283, 329, 362 

 Rockfish liver oil, 495 

 Roe, canning of, 450 



composition of, 297 



dried mullet, 465-466 

 Rosefish, production of, 223 



