Pacific Ocean, central 



length weight relationships for six species of billfish. S 675, p. 126 

 occurrence of young billfish, S 675, p. 238 



Pacific Ocean, eastern 

 some biological observations of billfish taken, 1967-70. S 675. p. 89 



Pacific Ocean, eastern north 



heat exchange between ocean and atmosphere, 1969-71, S 682 



PanuHrus japonicus — see Lobster, spiny 



Paralithodes camtschatica—see Crab, king 



Paraphrcmima crassipes 



southeastern Bering Sea. 1971. S 680 



Parathemisto Ubellula 



southeastern Bering Sea. 1971. S 680 



Parathemisto pacifica 



southeastern Bering Sea. 1971. S 680 



Patinopecten yesoenssis—see Scallop 



I'earl industry 

 Japan 



sUtus of shellfish culture. C 388. p. 25 



Pelecypods 

 abundance in natural and altered estuarine areas, S 677 



Penaens aztecus—see Shrimp, brown 



Penaeus duoTarum—see Shrimp, pink 



Penaeus japonicus 



culture in Japan. C 388. p. Ill 



Penaeus setiferus—see Shrimp, white 



Perca flavescens — see Perch, yellow 



Perch. Pacific ocean 

 resource in Gulf of Alaska. 1961-63, D 96 



Perch, yellow 

 Lake Erie bottom trawl explorations. 1962-66. S 674 



Perdna caprodes—see Logperch 



Percopsis omiscomaycus—see Trout perch 



Petromyzon mannus— see Lamprey, sea 



Phrornima sedentaria 



southeastern Bering Sea, 1971, S 680 



Phytoplankton 



California Current region 



pigment and production measurements, 1969-72, D 91 



Plaice. Alaska 



resource in Gulf of Alaska. 1961-63. D 96 



Pollock, walleye 



resource in Gulf of Alaska. 1961-63. D % 



Polychaetes 

 abundance in natural and altered estuarine areas, S 677 



PumoTis annularis— see Crappie, white 



Porgy, black 

 culture in Japan, C 388, p. 117 



Porgy, red 

 culture in Japan, C 388, p. 117 



Porphyra yezoensis—see Algae, red 



Portunus triberculatus — see Crab 



Primno macropa 

 southeastern Bering Sea, 1971, S 680 



Puffer 

 culture in Japan, C 388, p. 116 



Pumpkinseed 

 Lake Erie bottom trawl explorations, 1962 66, S 674 



Quillback 



Lake Erie bottom trawl explorations, 1962-66, S 674 



Reefs 

 how to build marine artificial 

 artificial seaweed, FF 10 

 assembly area, FF 10 

 brick. FF 10 

 cars. FF 10 

 concrete. FF 10 

 financing. FF 10 

 labor. FF 10 

 marking the site. FF 10 

 materials. FF 10 

 organization of effort. FF 10 

 permits. FF 10 

 prefabricated shelters. FF 10 

 reef location. FF 10 

 rock. FF 10 

 shape and size. FF 10 

 tile, FF 10 

 tires, FF 10 

 vessels, FF 10 



Rnccus chrysops—see Bass, white 



Rockau>ay—see Vessels 



Rockfish 

 resource in Gulf of Alaska, 1961 63 

 Pacific ocean perch, D 96 

 thornyheads, D 96 



Roundfish 

 resource in Gulf of Alaska, 1961-63 

 grenadiers. D 96 

 Pacific cod. D 96 

 sablefish. D 96 

 sculpins. D 96 

 walleye pollock. D 96 



Sablefish 

 resource in Gulf of Alaska. 1961-63. D 96 

 trapping system for harvesting 

 fishing gear. F'F 7 

 fishing method. FF 7 

 incidental catches. FF 7 

 traditional fishing grounds. FF 7 



Sailfish 

 biology of Florida east coast Atlantic 

 age and growth. S 675. p. 84 

 reproduction, S 675, p. 86 



23 



