rockfish 

 age determination methods, analysis 

 biology, 1969-73 



Oregon coast, central 

 zooplankton 



seasonal cycle of abundance and species composition 



Osmerus mordax — see Smelt, rainbow 



OWERS, JAMES E., "Income estimates and reasonable 

 returns in Alaska's salmon fisheries" 



"Oxycline characteristics and skipjack tuna distribution 

 in the southeastern tropical Atlantic," by Merton C. In- 

 gham, Steven K. Cook, and Keith A. Hausknecht .... 



405 

 51 



717 



483 



857 



Oxygen 

 Atlantic, southeastern tropical 

 oxycline characteristics and skipjack tuna distribu- 

 tion 857 



Oxygen, dissolved 



York River estuary, Virginia 

 mean values, May 1972-August 1973 659 



Oxygen concentration, dissolved 

 tuna 

 swimming speed, effect on 649 



Pacific Ocean, central equatorial 

 Christmas Island 



sea-surface temperatures, 1954-73 767 



Pacific Ocean, eastern tropical 

 dolphin, eastern spinner 



growth and reproduction 725 



dolphin, spotted 

 gross annual reproductive rates compared with es- 

 timates for eastern spinner dolphin, 1973-75 725 



reproductive parameters, 1973-75 629 



Pacific Ocean, North 

 albacore 



seasonal migration into North American coastal 

 waters 795 



Pacific Ocean, northeast 

 dogfish, spiny 



mercury in 642 



Panama 

 Caribbean coast 



snapper, host-parasite relationship with Cymothoa 

 excisa 875 



Pandalus platyceros — see Prawn, spot 



Paracalanus parvus 

 Oregon coast, central 



seasonal cycle of abundance 717 



Paralichthys dentatus — see Flounder, summer 



PATTEN, BENJAMIN G., "Body size and learned avoi- 

 dance as factors affecting predation on coho salmon, On- 

 corhynchus kisutch, fry by torrent sculpin, Cottus 

 rhotheus" 



, "Short-term thermal resistance of zoeae of 



457 



555 



10 species of crabs from Puget Sound, Washington" . . . 

 PEARCY, WILLIAM G.— see KRYGIER and PEARCY 



—see RICHARDSON and PEARCY 



, MICHAEL J. HOSIE, and SALLY L. 



RICHARDSON, "Distribution and duration of pelagic 

 life of larvae of Dover sole, Microstomus pacificus; rex 

 sole, Glyptocephalus zachirus; and petrale sole, Eopsetta 

 jordani, in waters off Oregon" 173 



PEARSE, JOHN S., DANIEL P. COSTA, MARC B. 

 YELLIN, and CATHERINE R. AGEGIAN, "Localized 

 mass mortality of red sea urchin, Strongylocentrotus 

 franciscanus, near Santa Cruz, California" 645 



Perch, Pacific ocean 



population biology in Washington-Queen Charlotte 



Sound region 



age composition 380 



age-length relationships 376 



fecundity 391 



life history, general features 372 



migrations and availability 373 



mortality 383 



recruitment to fishery 381 



response to fishing 394 



sexual maturation 385 



size composition 378 



stock delineation 371 



PEREZ FARFANTE, ISABEL, "American solenocerid 

 shrimps of the genera Hymenopenaeus, Haliporoides, 

 Pleoticus, Hadropenaeus new genus, and Mesopenaeus 

 new genus" 261 



PERKINS, PAUL J.— see FINE et al. 



PERRIN, WILLIAM F., DAVID B. HOLTS, and RUTH 

 B. MILLER, "Growth and reproduction of the eastern 

 spinner dolphin, a geographical form of Stenella lon- 

 girostris in the eastern tropical Pacific" 725 



, RUTH B. MILLER, and PRISCILLA A. 



SLOAN, "Reproductive parameters of the offshore spot- 

 ted dolphin, a geographical form of Stenella attenuata, in 

 the eastern tropical Pacific, 1973-75" 629 



PETERSON, WILLIAM T., and CHARLES B. MILLER, 

 "Seasonal cycle of zooplankton abundance and species 

 composition along the central Oregon coast" 717 



PHINNEY, DUANE E., "Length- width- weight relation- 

 ships for mature male snow crab, Chionocoetes 

 bairdi" 870 



Phoca (Histriophoca) fasciata — see Seal, ribbon 



900 



