Oregon 



euphausiids 



79 



Oxyjulis califomica — see Seiiorita 



OWEN, ROBERT W., JR.— see THOMAS and OWEN 



PachygrapsHs C7'assipes — see Crabs 



Pacific hake 



fecundity 581 



protein autolysis rates at various pH's and 

 temperatures and effect on yield of fish pro- 

 tein concentrate 241 



size at first maturity 583 



spawning 581 



Pacific herring 



protein autolysis rates at various pH's and 

 temperatures and effect on yield of fish pro- 

 tein concentrate 241 



Paragon — see Vessels 

 Paralepididae — see Fish larvae 

 Paralepis atlantica — see Barracudina 



Parameter estimation 



random variability and, for generalized pro- 

 duction model 569 



PARISER, E. R.— See DUBROW et al. 



PEARCY, WILLIAM G.— see SMILES and PEARCY 



Penaeus aztecus — see Brown shrimp 



PEREZ FARFANTE, ISABEL, "A key to the 

 American Pacific shrimps of the genus Trachy- 

 penaeus (Decapoda, Penaeidae), with the de- 

 scription of a new species" 635 



PERKINS, HERBERT C, "Egg loss during 

 incubation from offshore Northern lobsters 

 (Decapoda: Homaridae)" 451 



Peru 



plankton populations and upwelling 859 



Phanerodon atripcs — see Sharpnose seaperch 



Physeter catodon — see Sperm whale 



Phytoplankton 



and upwelling oflF coast of Peru 859 



estimating production of, from ammonium 



and chlorophyll concentrations 87 



production in natural and altered areas 829 



Pig tissues 



effect of dietary fish oil on fatty acid com- 

 position and palatability of 281 



Pink salmon 



low-temperature threshold for eggs 587 



predation on juveniles by marine isopod 699 



Pisaster giganteiis (sea star) 



trophic interaction between, and gastropod 

 Kelletia kelletii 669 



Plankton — see Nannoplankton; Netplankton; 

 Phytoplankton ; Zooplankton 



"Plankton populations and upwelling off the 

 coast of Peru, June 1969," by John R. Beers, 

 Merritt R. Stevenson, Richard W. Eppley, and 

 Elaine R. Brooks 859 



Pleuronectiformes — see Fish larvae 



Poecilia reticulata — see Guppy 



POTTHOFF, THOMAS, "Observations on two 

 species of dolphins from the tropical mid-At- 

 lantic" 877 



Praunus flexuosus — see Mysids 



"Predation on juvenile Pacific salmon by a 

 marine isopod Rocinela belliceps pugettensis 

 (Crustacea, Isopoda)," by Anthony J. Novotny 

 and Conrad V. M. Mahnken 699 



"Primary production in the mid-Subarctic Pa- 

 cific Region, 1966-68", by Jerry D. Larrance 595 



Primary production 



in mid-Subarctic Pacific Region 595 



PRITCHARD, AUSTIN W., JOHN R. HUNTER, 

 and REUBEN LASKER, "The relation between 

 exercise and biochemical changes in red and 

 white muscle and liver in the jack mackerel, 

 Trachurus symmetricus" 379 



Proinysis atlantica — see Mysids 



"Protein autolysis rates at various pH's and 

 temperatures in hake, Merluccius jyroductics, 

 and Pacific herring, Cliipea hareiigus pallasi, 

 and their effect on yield in the preparation of 

 fish protein concentrate," by Barbara Koury, 

 John Spinelli, and Dave Wieg 241 



Pseudomma affine — see Mysids 



Pscudorca crassidens — see False killer whale 



Pygmy killer whale 



from St. Vincent Island 307 



QU.\ST, JAY C, "Sehastes variegatiis sp. n. 

 from the northeastern Pacific Ocean (Pisces, 

 Scorpaeni(lae) " 387 



"Random variability and parameter estimation 

 for the generalized production model," by Wil- 

 liam W. Fox, Jr 569 



Random variability 



and parameter estimation for the generalized 

 production model 569 



RATIIJKN, WARREN F.— see CALDWELL et al. 



892 



