Beyond the published literature the author and editors
gratefully acknowledge the help and advice of the following: Dr. Richard H.
Backus, Woods Hole Oceanographic Institution; J. L. Baughman, Texas Game, Fish
and Oyster Commission; W. Douglas Burden, Marine Studios, Fla.; Dr. E. Milby
Burton, Charleston, S.C. Museum; Dr. Harold Coolidge, National Academy of
Sciences; Dr. V. M. Coppleson, Sydney, Australia; Charles Fischett, Babylon,
N.Y.; Dr. Perry Gilbert, Cornell University; Francesca La Monte, American
Museum of Natural History; Conrad Limbaugh, Scripps Institution of
Oceanography; Dr. George Llano, National Academy of Sciences; William E.
Ripley, California State Department of Fish and Game; William C. Schroeder,
Woods Hole Oceanographic Institution; Stewart Springer, U.S. Fish and Wildlife
Service; Dr. Gilbert Whitley, Australian Museum; F. G. Wood Jr., Marineland
Research Laboratory, Fla.