LITERATURE CITED 



Orange, C.J. 1961. Spawning of yellowfin tuna and skipjack in the 



eastern tropical Pacific as inferred from studies of gonad develop- 

 ment. Inter-American Tropical Tuna Commission V(6) :459-526. 



Schaefer, M.B., and C.J. Orange. 1956. Studies of the sexual develop- 

 ment and spawning of yellowfin tuna ( Neothunnus macropterus) and 

 skipjack ( Katsuwonus pel amis ) in three areas of the eastern Pacific 

 Ocean, by examination of gonads. Inter-American Tropical Tuna 

 Commission 1(6) :283-349. 



Quasim, S.Z. 1956. Time and duration of the spawning season in some 

 marine teleosts in relation to their distribution. J. Cons. Int. 

 Explor. Mer. 21:144-154. 



Yuen, H.S.H. 1955. Maturity and fecundity of bigeye tuna in the 



Pacific. U.S. Dept. of Interior, Fish & Wildlife Service, Special 

 Scientific Report, Fisheries No. 150, 30 pp. 



Yuen, H.S.H. , and F.C. June. 1957. Yellowfin tuna spawning in the 

 central equatorial Pacific. U.S. Fish & Wildlife Service, Fish. 

 Bull. 57(112) :251-264). 



