Financial arrangements for travel and salary were furnished by 

 ONR and administered by Scripps Institution of Oceanography. 



The author is grateful for the assistance of E. Good, J. R. Olson, 

 D. L. Jackson, C. L. Barker, and P. G. Hansen in collecting data; of 

 Mrs. R. P. Brown and R. F. Arenz in programming and computer analysis; 

 of R. McKinley, J. Larson, and Mrs. A. Moore in computations and 

 plotting; and of 0. S. Lee, G. H. Curl, and E. C. LaFond, who reviewed 

 the manuscript. 



