ACKNOWLEDGMENT 



We gratefully acknowledge the extraordinary cour- 

 tesies extended us by the library staffs of the following: The 

 New York Academy of Medicine, New York Public Library, 

 New York Botanical Gardens, Museum of Natural History, 

 Explorers Club, Rockefeller Institute for Medical Research, 

 Columbia University, The New York Tunes, Library of Con- 

 gress, Army Medical Library, and the New York Medical 

 College. 



To Dr. Jorgen Jorgensen and Dr. Enrique Tejera, of the 

 Venezuelan Ministry of Health, we express appreciation for 

 patiently demonstrating to one of us (M.S.) the extensive 

 algal culture techniques and feeding projects at the Cabo 

 Blanco Leprosarium at Maiquetia, Venezuela. 



We are especially indebted to Miss Irma Frisch Farrington, 

 of the New York Academy of Medicine library staff, for her 

 invaluable aid in locating elusive material, arranging for trans- 

 lations, and helping prepare the bibliography. Sincere thanks 

 are also extended to the following for translations from the 

 French, German, Italian, Spanish, Russian, Japanese, and 

 Afrikaans: Miss Freda Monkarz and her colleagues at the 

 United Nations Headquarters in New York City; and Drs. 

 Roger Duvoisin, Johan Senekal, Peter Masley, and Ulrich 

 Batzdorf, of the Metropolitan Hospital. 



— The Authors 



