fish but could be an artifact of many interacting 

 processes and events. 



ACKNOWLEDGMENTS 



I thank G. D. Sharp, R. M. Laurs, and L. C. Chen 

 for their support and assistance. G. D. Stauffer 

 provided the programs for regression analysis. J. 

 J. Magnuson and W. H. Neill reviewed the manu- 

 script and made many helpful suggestions. 



LITERATURE CITED 



Aleev, Yu. G. 



1963. Function and gross morphology in fish. Izd. Akad. 

 Nauk SSSR, Mosc, 245 p. (Translated from Russian by the 

 Israel Program Sci. Trans!., 1969, 268 p.; available U.S. Dep. 

 Commer, Natl. Tech. Inf. Serv-., Springfield, Va., as TT 

 67-51391.) 



FISHERY BULLETIN: VOL. 74, NO. 4 



Chatwin, B. M. 



1959. The relationships between length and weight of 

 yellowfin tuna {Neothunnus macropterus) and skipjack 

 tuna (Katstiironus pelamis) from the Eastern Tropical 

 Pacific Ocean. [In Engl, and Span.] Inter-Am. Trop. Tuna 

 Comm., Bull. 3:305-352. 

 GiBBS, R. H., Jr., and B. B. Collette. 



1966. Comparative anatomy and systematics of the tunas, 

 genus Thunnus. U.S. Fish. Wild!. Serv., Fish. Bull. 

 66:65-130. 

 Japanese Fisheries Agency. 



1975. Report of tuna tagging for 1974. [In Jap.] Pelagic Res. 

 Sec., Far Seas Fish. Res. Lab., 18 p. 

 Magnuson, J. J. 



1970. Hydrostatic equilibrium of Euthijnnitf; affinis, a 



pelagic teleost without a gas bladder. Copeia 1970:56-85. 

 1973. Comparative study of adaptations for continuous 

 swimming and hydrostatic equilibrium of scombroid and 

 .xiphoid fishes. Fish. Bull., U.S. 71:337-356. 

 YOSHIDA, H. 0. 



1968. Pectoral fin length of juvenile albacore. Copeia 

 1968:625-626. 



960 



