ACKNOWLEDGMENTS 



The material presented in this handbook is an outgrowth of years 

 of research conducted at the School of Tropical and Preventive 

 Medicine, College of Medical Evangelists, Loma Linda, California, 

 under the sponsorship of the Departments of the Air Force, Navy, 

 and Army, the U. S. Coast Guard, National Institutes of Health of 

 the U. S. Public Health Service, American Philosophical Society, 

 National Science Foundation, U. S. Fish and Wildlife Service, 

 Williams-Waterman Fund of the Research Corporation of America, 

 American Medical Association, and the Alumni Research Founda- 

 tion of the College of Medical Evangelists. In addition, certain art 

 and photographic facilities were provided by the U. S. Naval 

 Medical School, National Naval Medical Center. 



Numerous foreign scientific groups were helpful in providing 

 medical data of great value. Particularly outstanding among these 

 groups were Dr. Claro Martin, Philippine Bureau of Fisheries, 

 Japanese National Ministry of Welfare and Health, Dr. Tokiharu 

 Abe, Central Fisheries Agency, Japanese Ministry of Agriculture 

 and Forestry, Dr. Yoshio Hiyama, College of Agriculture, Tokyo 

 University, Dr. Gilbert Whitley, Australian Museum, and Dr. V. 

 M. Coppleson of Sydney, Australia. 



Members of the staffs of the Smithsonian Institution, Edward 

 Rhodes Stitt Library at the National Naval Medical Center, and the 

 National Library of Medicine were most helpful in documenting 

 data. Special thanks are due Drs. Leonard P. Schultz, Charles 

 Cutress, Jr., Fenner A. Chace, David H. Johnson, and Harold A. 

 Rehder. 



I am indebted to Dr. George Llano and Mr. Stewart Springer for 

 their helpful comments on sharks. 



Most of the original art work used in this handbook was done by 

 Messrs. Mitsuo Shirao, Shigeru Arita, Robert Kreusinger, George 

 Coates, Harry Baerg, and 0. Hon. 



Most of the foreign source materials utilized in this research 

 were prepared by the Translation Units of the National Institutes 

 of Health and the Naval Medical Center, thanks to the cooperative 

 efforts of Miss Rosemary Roberts and Miss Tatiana Boldyreff. 



Finally, I wish to express my deep appreciation to Miss Frances 

 H. Atkinson for her critical typing of the manuscript and to Dr. 

 Carl L. Hubbs for his valuable criticism. 



B.W.H. 



