Thysanoessa sp. 

 California Current, central region 

 density, vertical range, and diel movement 



Thysanopoda sp. 

 California Current, central region 

 density, vertical range, and diel movement 



TILLMAN, MICHAEL F., and DONALD STADEL- 

 MAN, "Development and example application of a 

 simulation model of the northern anchovy fishery" 



Totoaba 

 commercial fishery and reproductive biology in north- 

 ern Gulf of California 



breeding migration 



decline of fishery 



diet 



distribution 



habitat 



history of fishery 



spawning concentration 



Trachurus symmetricus-see Mackerel, jack 



Transmitter, ultrasonic 

 harness for attachment of 

 red drum 



TRENT, LEE-see MAY et al. 



EDWARD J. PULLEN, and RAPHAEL 



PROCTOR, "Abundance of macrocrustaceans in a natu- 

 ral marsh and a marsh altered by dredging, bulkheading, 

 and filling" 



"Trophic interactions among fishes and zooplankters 

 near shore at Santa Catalina Island, California," by 

 Edmund S. Hobson and James R. Chess 



Tuna, albacore 

 Pacific, North 



tag shedding, estimates of rates 



swimming speed, minimum 



comparison among four scombrids 



density variations 



determining 



estimates, field 



west coast 



troll fishermen, comparison of the most successful 



and least successful 



Tuna, skipjack 

 reevaluation of fishing effort and apparent abundance 

 in Hawaiian fishery, 1948-70 



catch reports 



comparison of catch per effective trip and catch per 



day fished 



differences in catch per effective trip between vessel 



classes, between areas, and among years 



fishing areas 



interrelation of total catch, fishing intensity, and 



apparent abundance 



measures of apparent abundance and fishing inten- 

 sity 



relation between catch per day fished and catch per 



effective trip 



reporting of zero-catch trips 



1016 



929 



929 



118 



534 

 538 

 537 

 537 

 537 

 532 

 535 



998 



195 



567 



675 



958 

 956 

 957 

 959 



973 



60 



62 



64 

 61 



67 



66 



64 

 60 



sources of variability in fishing power among vessels 60 



standardization of catch per day fished 66 



vessels, classes of 61 



Tuna, yellowfin 

 energetics model for an exploited population 



food as a population regulator 46 



population dynamics 37 



spawning survival versus population biomass 47 



total drag determination 41 



velocity determination 41 



Turkey 



fed tuna oil with and without a-tocopherol supplement 



or injection 

 effects of cooking in air or nitrogen on development 

 of fishy flavor in breast meat 89 



Uca pugilafor-see Crab, fiddler 



UCHIDA, RICHARD N., "Reevaluation of fishing efTort 

 and apparent abundance in the Hawaiian fishery for 

 skipjack tuna, KafKuwotniti pelaniis, 1948-70" 59 



UCHIYAMA, JAMES H.-see STRUHSAKER and 

 UCHIYAMA 



"Underwater paint marking of porpoises!' by William A. 

 Watkins and William E. Schevill 687 



United States 

 continental shelf and slope, eastern coast 



Ceriantharia, Zoanthidea, Corallimorpharia, and 

 Actiniaria 857 



"Uptake, distribution, and depuration of '^C-benzene in 

 northern anchovy, Engraulis mordax, and striped bass, 

 Morone saxafilis," by Sid Korn, Nina Hirsch, and Jean- 

 nette W. Struhsaker 545 



Vancouver Island, British Columbia 

 Cottus aleuticutt and Cottus aftper 

 populations of sympatric in four adjacent salmon- 

 producing coastal streams 131 



"Vertical distribution and diel migration of euphausiids 

 in the central region of the California Current" by Marsh 

 J. Youngbluth 925 



"Vertical distribution and other aspects of the ecology of 

 certain mesopelagic fishes taken near Hawaii," by 

 Thomas A. Clarke and Patricia J. Wagner 635 



Vibrios 

 Puget Sound, Washington 

 isolation and description of two, pathogenic to 

 Pacific salmon 447 



"Von Bertalanffy growth curves for striped marlin, 

 Tetrapturus audax, and blue marlm, Makaira nigricans, 

 in the central North Pacific Ocean," by Robert A. Skillman 

 and Marian Y. Y. Yong 553 



WAGNER, PATRICIA J.-see CLARKE and WAGNER 



WALTERS, JOHN F., "Ecology of Hawaiian sergestid 

 shrimps (Penaeidea: Sergestidae)" 799 



