Steel head 



feeding periodicity and diel variation in diet composi- 

 tion in small stream during summer 



STEVENS, BRADLEY G.. and DAVID A. ARM- 

 STRONG, "Mass mortality of female Dungeness crab. 

 Cancer magister, on the southern Washington coast" . . 



STEVENSON, DAVID K., and FRANCISCO CARRAN- 

 ZA, "Maximum yield estimates for the Pacific thread 

 herring, Opisthonema spp., fishery in Costa Rica" 



Stizostedion vitreum vitreum — see Walleye 



"(A) stochastic model for the size of fish schools," by 

 James Jay Anderson 



STRUHSAKER, PAUL— see UCHIYAMA and STRUH- 

 SAKER 



Sturgeon, white 

 diel and seasonal movements in mid-Columbia River 



SUGARMAN, PETER C— see PEARSON et al. 



370 



349 



689 



315 



367 



SWARTZ, STEVEN L., "Cleaning symbiosis between 

 topsmelt, Atherinops affinis. and gray whale, Es- 

 chrichtius robustus. in Laguna San Ignacio, Baja 

 California Sur, Mexico" 360 



Swordfish 

 daily patterns in activities, observed by acoustic te- 

 lemetry 



buoyancy 290 



horizontal movements 284 



navigation 279 



oxygen 289 



receiving 279 



temperature 279, 290 



transmitters 278 



vertical movements and light 287 



Florida Straits 



cephalopods in the diet 765 



TANAKA, KUNIAKI, YASUO MUGIYA, and JURO 

 YAMADA, "Effects of photoperiod and feeding on daily 

 growth patterns in otoliths of juvenile Tilapia nilotica" 459 



"Taxonomic status and biology of the bigeye thresher, 

 Alopias superciliosus ," by S. H. Gruber and L. J. V. Com- 

 pagno 617 



Tetrabrachium — see Anglerfish 



Thresher, bigeye 



taxonomic status and biology 



abundance, distribution, and habitat 632 



age and growth 630 



characters, distinctive 619 



color 624 



commercial importance 636 



denticles 627 



dentition 625 



food 635 



notes, descriptive 623 



parasitology 636 



prey catching 635 



reproduction 633 



size 628 



status of Alopias profundus 62 1 



studies, experimental 635 



vertebrae 624 



Thunnus alalunf>a — see Albacore 



Thunnus albacares — see Tuna, yellowfin 



Tilapia nilotica 



otoliths, effects of photoperiod and feeding on daily 



growth patterns of juvenile 



correlation between number of otolith rings and age 



in days after hatching 462 



experiments under 24-h photoperiod 460 



feeding experiments 460 



feeding time and formation of otolith rings 463 



formation of otolith rings under 12L-12D photo- 

 period 462 



formation of otolith rings under 18L-6D and 6L-18D 



photoperiods 463 



measurement of daily rowth rhythm 460 



otolith preparation for scanning electron micros- 

 copy 460 



TOLL. RONALD B., and STEVEN C. HESS, "Cephalo- 

 pods in the diet of the swordfish, Xiphias gladius. from 

 the Florida Straits" 765 



Topsmelt 



Laguna San Ignacio, Baja California Sur, Mexico 

 cleaning symbiosis between, and gray whale 360 



TOWNSEND, DAVID W., and JOSEPH J. GRAHAM, 

 "Growth and age structure of larval Atlantic herring, 

 Clupea harengus harengus. in the Sheepscot River es- 

 tuary, Maine, as determined by daily growth increments 

 in otoliths" 



123 



TOWNSEND, DAVID W — see BARKER et al. 



"Trophic importance of some marine gadids in northern 

 Alaska and their body-otolith size relationships," by 

 Kathryn J. Frost and Lloyd F. Lowry 187 



"Trophic relationships among demersal fishes in a coast- 

 al area of the Gulf of Maine," by John S. Hacunda .... 775 



Tursiops truncatus — see Dolphin, Atlantic bottlenose 



Tuna 



induced spawning 185 



Tuna, shipjack 



age and growth as indicated by daily growth incre- 

 ments of sagittae 151 



distribution and life history in Australian waters 



food 92 



length 89 



seasonal distribution 88 



sexual condition 91 



spatial distribution 86 



825 



