CONTENTS 



REVIEW PAPERS Page 



UEYANAGI. SHOJI. A review of the world commercial fisheries for billfishes 1 



DE SYLVA, DONALD P. A review of the world sport fishery for billfishes (Istiophoridae 

 and Xiphiidae) 12 



CONTRIBUTED PAPERS 



Section 1 . Species Identification. 



FIERSTINE, HARRY L. The paleontology of billfish — The state of the art 34 



NAKAMURA, IZUMI. Some aspects of the systematics and distribution of billfishes . . 45 

 ROBINS, C. RICHARD. The validity and status of the roundscale spearfish, Tetrapturus 



georgei 54 



RICHARDS, WILLIAM J. Evaluation of identification methods for young billfishes ... 62 

 UEYANAGI, SHOJI. On an additional diagnostic character for the identification of bill- 

 fish larvae with some notes on the variations in pigmentation 73 



DE SYLVA, DONALD P., and SHOJI UEYANAGI. Comparative development of At- 

 lantic and Mediterranean billfishes (Istiophoridae) 79 



Section 2. Life History. 80 



DE SYLVA, DONALD P. Life history of the Atlantic blue marlin, Makaira nigricans, 



with special reference to Jamaican waters 80 



JOLLEY, JOHN W., JR. On the biology of Florida east coast Atlantic sailfish (Istiophorus 



platypterus) 81 



ELDRIDGE, MAXWELL B., and PAUL G. WARES. Some biological observations of 



billfishes taken in the eastern Pacific Ocean, 1967-1970 89 



MATHER, CHARLES O. Scientific billfish investigation: present and future; Australia, 



New Zealand, Africa 102 



BECKETT, JAMES S. Biology of swordfish, Xiphias gladius L.. in the Northwest Atlan- 

 tic Ocean , 103 



WARES, PAUL G., and GARY T. SAKAGAWA. Some morphometries of billfishes 



from the Eastern Pacific Ocean 107 



LENARZ, WILLIAM H., and EUGENE L. NAKAMURA. Analysis of length and 



weight data on three species of billfish from the Western Atlantic Ocean 121 



SKILLMAN, ROBERT A., and MARIAN Y. Y. YONG. Length-weight relationships 



for six species of billfishes in the Central Pacific Ocean 126 



SCOTT, W. B., and S. N. TIBBO. Food and feeding habits of swordfish, (Xiphias gladius 



Linnaeus) in the Northwest Atlantic Ocean 138 



UCHIYAMA, JAMES H., and RICHARD S. SHOMURA. Maturation and fecundity of 



swordfish (Xiphias gladius) from Hawaiian waters 142 



IVERSEN, ROBERT T. B., and RICHARD R. KELLEY. Occurrence, morphology, 



and parasitism of gastric ulcers in blue marlin, Makaira nigricans, and black marlin, 



Makaira indica, from Hawaii 149 



BECKETT, JAMES S., and H. C. FREEMAN. Mercury in swordfish and other pelagic 



species from the Western Atlantic Ocean 154 



SHOMURA, RICHARD S., and WILLIAM L. CRAIG. Mercury in several species of 



billfishes taken off Hawaii and southern California 160 



in 



