x Contents 



National Institute of Arthritis and Metabolic Diseases 

 National Institutes of Health 



The Veratrum Alkamines 308 



Oskar W inter steiner, Ph.D. 

 Director 



Division of Organic Chemistry 

 The Squibb Institute for Medical Research 



The Chemical Basis of Heredity Determinants 322 



Stephen Zamenhof, Ph.D. 

 Assistant Professor of Biochemistry 

 College of Physicians and Surgeons 

 Columbia University 



Index 339 



