U.S. Department 

 of Commerce 



Seattle, Washington 



Volume 90 

 Number 1 

 January 1992 



Fishery 

 Bulletin 



Contents 



1 Buckland, Stephen T., Karen L. 

 Alejandro A. Anganuzzi 



Estimating trends in abundance of dolphins associated with tuna in 

 the eastern tropical Pacific Ocean, using sightings data collected on 

 commercial tuna vessels 



13 Collette, Bruce B., and Gary B. Gillis 



Morphology, systematics, and biology of the double-lined mackerels 

 [Grammatorcynus, Scombridae) 



54 Douglas, Michael E., Gary D. Schnell, 



Daniel J. Hough, and William F. Perrin 



Geographic variation in cranial morphology of spinner dolphins 

 Stenella longirostns in the eastern tropical Pacific Ocean 



77 Gall, Graham A.E., Devin Bartley, Boyd Bentley, 

 Jon Brodziak, Richard Gomulkiewicz, 

 and Marc Mangel 



Geographic variation in population genetic structure of Chinook 

 salmon from California and Oregon 



101 Hunter, J. Roe, Beverly J. Macewicz, 



N. Chyan-huei Lo, and Carol A. KImbrell 



Fecundity, spawning, and maturity of female dover sole Microstomus 

 paaficus, with an evaluation of assumptions and precision 



1 29 Kendall, Arthur W. Jr., and Toshikuni NakatanI 



Comparisons of early-life-history characteristics of walleye pollock 

 Theragra chalcogramma in Shelikof Strait, Gulf of Alaska, and 

 Funka Bay, Hokkaido, Japan 



139 McShane, Paul E. 



Exploitation models and catch statistics on the Victorian fishery for 

 abalone Haliotis rubra 



